if条件状语从句练习及答案20771

if条件状语从句练习及答案20771
if条件状语从句练习及答案20771

if_条件状语从句的时态练习及答案_初中习题集

I、单项选择

1、I f you _____ to the party, you’ll have a great time、

a、will go

b、went

c、go

d、going

2、It will be a long time ____ peter _____ his work、

a、since, has finished

b、after, finishes

c、when, will finish

d、before, finishes、

3、what will father _____ us from Japan?

a、take

b、bring

c、carry

d、make

4、Weifang is famous ______ kites

a、for

b、to

c、on

d、with

5. I____ her the answer if she ____me、

a、can tell, will ask

b、will tell, will ask

c、would tell, ask

d、will tell, asks

6、– what are you going to do tomorrow?

--we’ll go to the library tomorrow if it ___、

a、isn’t rain

b、rain

c、won’t rain

d、doesn’t rain

7、—Do you know when he will come back tomorrow?

--sorry, I don’t know、when he ____ back, I’ll tell you、

a、comes

b、will come

c、come

d、may come

8、what will you do if you _____ to the old folk’s home visit?

a、go

b、went

c、going

d、will go

9、If I eat ____ food, I’ll be very fat、

a、too many

b、many too

c、too much

d、much too

10、I’ll give the book to him if he ___ here next sunday、

a、will come

b、comes

c、is coming

d、came

11、There ____an english film in our school tomorrow、

a、is going to have

b、will have

c、is going to be

d、has

12、Could you tell us where ____?

a、will the next olympic games held

b、the next olympic games will be held

c、would the next olympic games be held

d、the next olympic games would be held

13、When my mother returned last night,I ____ a book、

a、read

b、am reading

c、was reading

d、am going to read

14、What ____ you ____ when it began to rain?

a、do, do

b、were, doing

c、are, doing

d、did, do

15、I’ll wake you up when he ____back、

a、will

b、is going to come

c、comes

d、come

II、用所给词的适当形式填空

1、If you _______(feel) tired, you ______(have) to have a rest、

2、Where _____ he ______(see) the film if he ________(have) time?

3、If there ____ (be) fewer trees, there _______ (be) more pollution、

4、He _____ (dress) more casually if he _______ (not work) on weekends、

5、If marcia _______ (live) alone, she _______ (keep) a pet parrot、

6、lana _____ (buy) a new dress if the old one ____ (be) out of style、

7、The twins _____ (fight) if they__________ (argue)、

8、I______ (have) a bake sale if I____ (need) money for education、

9、Peter ____ (send) me a beautiful souvenir if he ____(tour) spain、

10、If mr、green _______ (say) I am hard- working, my parents _____ (feel) glad、

11、I______ (go) to the beach if it________ (not rain) this week、

12、____they ______ (have) a match if the p、e、teacher _______ (be) busy?

13、He _______ (write) a letter to his grandparents if he ______ (get) his report card this week、

14、If she ______ (get) up late, she _____ (not catch) the early bus、

15、Peter _________ (major) in English if he _______(pass) the exams in

peking university、

III、完成句子

1、如果她到的晚了会发生什么事情?

What _______________ if he _____________ late?

2、如果努力学习,您就会取得好成绩。

If you_______________, you ___________ good __________、

3、她如果瞧电视太久了,她的父母会不高兴。

If he ___________ TV too much, his parents ________________unhappy、

4、如果我们为她组织生日聚会,大家都会来的。

Everyone ____________ if we __________a birthday party _______ him、

5、如果明天不下雨,我会与您一起去公园的。

If it _____________tomorrow, I______ go to the park _____you、

6、如果她睡过头了,就会旅游迟到的。

She_____________the trip if she _____________ 、

7、如果她有空,她会帮助您的。

If he _______________, he _________you、

8、如果tom考试不及格,她就没有机会上高中了。

Tom ______________ to go to the high school if he ________the exams、

9、您如果抄同学的作业就不能学好各门功课。

You __________ good at all the subjects if you ___________ the other students’ homework、

I、1---5 cdbad 6---10 daacb 11---15 cbcbc

II、 1、feel will have 2、will see has 3、are will be 4、will dress doesn’t work5、lives will keep 6、will buy is 7、will fight__ argue 8、will have need 9、will send tours 10、says will feel 11、will go doesn’t rain12、Will have is 13、will write gets 14、gets won’t \catch 15、will major passes

III、1、will happen arrives 2、study hard will get grades 3、watches will be 4、will come have for 5、doesn’t rain will with 6、will be late for sleeps late 7、is free will help 8、won’t have the chance fails 9、won’t be copy_

初中英语――条件状语从句(讲解&练习)

Ⅰ条件状语从句的定义

Ⅱ条件状语从句的引导词

1、if引导的条件状语从句

表示在某种条件下某事很可能发生。

If we pay much attention to the earth, we'll have a better world、

如果我们多关爱地球,就会拥有一个更美好的世界

If it Array rains

tomorro

w, what

shall we

do?

果明天下雨,我们怎么办?

注意:if还可以引导虚拟条件句,表示不可实现的条件,从句中多用一般过去时

或过去完成时。

What would happen if there were no water ?

如果没有水会怎样?

2、unless引导的条件状语从句

unless的意思就是如果不,除非。可与if、、、not互换。

You will fail in English unless you work hard、

您英语考试会不及格的,除非您更加努力。

3、as /so long as引导的条件状语从句

as /so long as意思就是“只要”

So long as you're happy,i will be happy、

只要您高兴,我就高兴。

Ⅲ条件状语从句的种类

Ⅳ条件状语从句的时态原则

注意:

学习" if

" 引导

的条件

状语从句的用法,现在总结一下:

if 条件句不一般,几个要点记心间;

条件句,放在前, 逗号要放句中间。

条件句表真实,主将从现要遵从;

条件句非真实,虚拟语气用到位。

if 条件状语从句的时态练习

一.在正确的答案下划一条线。

1、Daina ( will go/go/goes) to Europe if she (will pass/pass/passes) the exams 、

2、The graduates (will teach/teach/teaches) in the poor village if the Ministry of Education (will agree/ agree/agrees) soon、

3、If there (will be/ are/is) a car accident, they (will call/call/calls) 110 for help at once、

4、If it (won’t/don’t/doesn’t/ isn’t) rainy, we (will take/ take/takes) walk outside、

5、If a UFO (will land/land/lands) in front of me, I (will go/go/goes) in to look for the alien、

6、If he (will have/have/has) money, he (will bulid/build/builds) a science lab、

7、Don’t wait for me if I (am/ will be) late、

8、They (won’t/don’t) go to the beach if it (will rain/rain /rains)、

9、I (will call/ call) you if he (will stay/stay /stays) at home、

10、Mr Smith (will let/ let/lets) you know if he (will need/ need/ needs) help、

11、(Will / Do/ Does) he visit the museum if he (won’t / don’t/ doesn’t) get tired?

12、Where (will/ do/does) they live if they (will miss/ miss/ misses) the bus?

10、如果您上课睡觉,老师会生气。If you______ in class, your teacher ____ ____ ____

直接引语变间接引语练习题:1、“I never eat meat、” he said、

He said that ______ never ______ meat、

2、“I’ve found my wallet、” he said to me、

He ______ me that he ______ ____________wallet、

3、“You must come here before five、” he said、

He said that I ______ to go ______ before five、

4、“Don’t tell him the news、” she said、

She told me _______ ______ ______ him the news、

5、“Stop making so much noise, children、” he said、

He ______ the children ______ ______ making so much noise、

6、“Are you inte re sted in this?” he said、

He ______ ______ I was interested in ______、

7、“Do you know where she lives?” he asked、

He asked ______ ______ knew where she ______、

8、“Where have you been these days?” he asked、

He asked me _______ _______ _______been _______ days、

9、The pupil asked his teacher _____ round the earth、

A、weather the moon goes

B、that the moon went

C、whether the moon goes

D、whether the moon went

10、Betty asked her sister ____ to the railway station to see her off、

A、not to come

B、not to go

C、to not come

D、to not go

11、He asked, “How did you find it, mother?”

He asked her mother ______ ______ ______ found it、

12、She looks sad、Could you please tell me _____ that prevents her from being as happy as before?

A、what it is

B、it is what

C、how it is

D、it is how2、13、The teacher told the boy students ______ football on the grass、

A、not play

B、not to play

C、played

D、playing

14、Mr、Li ____ Wang Ling ____ a taxi to the airport、

A、asked; take

B、asked; taking

C、told; take

D、told; to take

15、The teacher said, “The sun rises in the east and goes down in the west、”The teacher said that the sun ______ in the east and ______ down in the west、

2019英语四级语法精讲:原因状语从句

2019英语四级语法精讲:原因状语从句 原因状语从句 连接词:because,since,as,for,now that,in that,owing to,due to,thanks to,because of,as a result of; 比较:because,since,as和for 1)because语势,用来说明人所不知的原因,回答why提出的问题。当原因是显而易见的或已为人们所知,就用as或 since。 I didn't go, because I was afraid. Since /As the weather is so bad, we have to delay our journey. 2)由because引导的从句如果放在句末,且前面有逗号,则能够用for 来代替。但如果不是说明直接原因,而是多种情况加以推断,就只能 用for。 He is absent today, because / for he is ill. He must be ill, for he is absent today. now that :既然; in that :因为,通常只能放在句中,强调重要的,的的原因; eg:Now that this semester is finished, I am going to rest a few days and take a trip. Human beings are different from animals in that human can speak and think. owing to, due to, thanks to, because of , as a result of等短 语后面只能接词或短语,不能接从句。

if引导的条件状语从句讲解和练习(答案)

t 条件状语从句 一、 条件状语从句通常由 if (如果), unless (除非),as long as (只要)引导。 例如:If it rains tomorrow, we won ’go to the park. 如果明天下雨,我们就不去公园了。 Unless weather stops me, I go for a walk every. 我每天都会去散步,除非遇上坏天气。 Our parents will be pleased with our performance as long as we try our best. 小试牛刀:1、只要我们竭尽全力,父母就会满意我们的表现。 Our parents will be pleased with our performance _____ _____ ______ we try our best. 2、如果人人为保护环境做出贡献,世界将会变得更美好。______ ______ ______ _____ _______ to protecting the environment, the world will become much more beautiful. 二、if 引导的条件状语从句 (1)“if 从句+祈使句”的句子。其实,if 作为一个连词,主句也可以是其他形式的句子。 例如:If you want to go, please let me know. If the green light isn ’t on, wait for a minute. (2)“祈使句 + and (or)+ 陈述句” 在意思上相当于一个带有条件状语从句的复合句。 注意:A. “祈使句 + and + 陈述句”可以转化为 if 引导的肯定条件状语从句,而且主语是第二人称。 B. “祈使句 + or + 陈述句”可以转化为 if 引导的否定条件状语从句,而且主语是第二人称。 例如:Study hard and you will pass the exam. =If you study hard, you will pass the exam. Hurry up, or you ’ll be late. =If you don ’t hurry up, you ’ll be late. 考题 (2010 重庆中考)Work hard ,________ you may catch up with your classmates soon. A.or B.but C.and D.yet 思路解析:本句是“祈使句+and”的句型,句意为“努力学习,你会很快赶上其他同学的”,and 在句中表示承接 关系,所以选 C 项。答案:C 黑色陷阱:本题的陷阱是句型,本句型区别于“祈使句+or”,这个句型的含义是“……,不然的话/否则……”。 绿色通道:祈使句后面既可以加 and ,也可以加 or ,所以要全面分析句意,再作决定。 小试牛刀:用 if 连接下列句子 1、Go to bed early and you will have a good rest. 2、Hurry up, or you ’ll miss the bus. 三、if 从句与主句具有以下特点: 1.If 从句中用一般现在时,表示未来的一种条件,从句中可以加时间状语。 e.g.If yo u can’t come tomorrow, we can hold the party a little later.明天你如果不能来,我们可迟一点举行宴会。

初中英语语法——If引导的条件状语从句(讲解及练习)

条件句从句主句 真实一般现在时一般将来时 情态动词+动原祈使句 非真实 一般过去时 be动词用(were) would/could+动原初中英语――条件状语从句(讲解&练习) Ⅰ条件状语从句的定义 Ⅱ条件状语从句的引导词 1.if引导的条件状语从句:表示在某种条件下某事很可能发生。 If we pay much attention to the earth, we'll have a better world. 如果我们多关爱地球,就会拥有一个更美好的世界 If it rains tomorrow, what shall we do? 如果明天下雨,我们怎么办? 注意:if还可以引导虚拟条件句,表示不可实现的条件,从句中多用一般过去时或过去完成时。 What would happen if there were no water ? 如果没有水会怎样? 2.unless引导的条件状语从句,unless的意思是如果不,除非。可与if...not互换。 You will fail in English unless you work hard. 你英语考试会不及格的,除非你更加努力。 3.as /so long as引导的条件状语从句:as /so long as意思是“只要” So long as you're happy,i will be happy. 只要你高兴,我就高兴。 Ⅲ条件状语从句的种类 Ⅳ条件状语从句的时态原则 用法例句 ①主句为一般将来时态,if从句用一般 现在时态(即主将从现)。We will stay at home if it rains tomorrow. 如果明天下雨,我将要呆在家。 ②主句中含有情态动词,if从句用一 般现在时态。If you finish your homework, you can go home now.如果你做完了作业,你现在可以回家了。 ③主句为祈使句,if从句用一般现在 时态。Don’t jump into the river if you feel very hot. 如果你感到很热,不要跳入河里。 ④主句为过去将来时,if从句用一般 过去时态(如果涉及到be动词, 一律都用were)。此时,表达的是和现实相反的推测,用虚拟语 气。If I were you, I wouldn’t do it like that.如果我是你,我就不会那么做的。 If you gave me some money, I would be very happy. 如果你给我一些钱,我就会很高兴的。 二、if 引导的条件状语从句 (1)“if 从句+祈使句”的句子。其实,if 作为一个连词,主句也可以是其他形式的句子。 例如:If you want to go, please let me know. (2)“祈使句 + and (or)+ 陈述句”

If引导条件状语从句的详细用法解答

If引导条件状语从句的详细用法解答 引导条件状语从句最常用的连词是if,常见的if条件状语从句表示在某条件下,某事很可能发生,条件是可能存在的,主句中某种情况发生的概率也是很高的。如: If you ask him,he will help you.如果你请他帮忙,他会帮你的。 If you fail in the exam,you will let him down.如果你考试不及格,你会让他失望的。 If you have finished the homework,you can go home.如果你作业做完了就可以回家了。 另外,if从句还表示不可实现的条件或根本不可能存在的条件,也就是一种虚拟的条件或假设。从句多用一般过去时或过去完成时,表示对现在或过去的一种假设。如: If I were you,I would invite him to the party.如果我是你,我会邀请他参加聚会。 I would have arrived much earlier if I had not been caught in the traffic.要不是交通堵塞,我本会来得早一些。 另外你还要注意if 条件句的时态搭配 1.if从句用一般现在时,主句用一般将来时 If he runs he’ll get there in time. 如果他用跑的,他就会及时赶到那儿。 The cat will scratch you if you pull her tail. 如果你拉猫的尾巴,它就会抓你。2.if从句用一般现在时,主句用may/might/can If the fog gets thicker the plane may/might be diverted. 如果雾在大一些,飞机可能就会改在别的机场降落。 If it stops snowing we can go out. 如果雪停了,我们就可以出去。 3.if从句用一般现在时,主句用must/should If you want to lose weight you must/should eat less bread. 如果你想减肥,你必须少吃面包。 4.if从句用一般现在时,主句用一般现在时 If you heat ice it turns to water. (也可用will turn)如果把冰加热,它就会化成水。5.if从句用现在进行时,主句用一般将来时 If you are looking for Peter you’ll find him upstairs. 如果你是在找彼得,上楼就会找到他。 6.if从句用现在完成时,主句用一般将来时 If you have finished dinner I’ll ask the waiter for the bill. 如果你吃完了,我就叫服务生来算账 注意: 学习" if " 引导的条件状语从句的用法,现在总结一下: if 条件句不一般,几个要点记心间; 条件句,放在前,逗号要放句中间。 条件句表可能,主句多用将来时; 条件句表事实,主句常用现在时。

语法讲解 时间状语从句的用法解析及练习

语法讲解时间状语从句的用法解析及练习 状语从句在复合句中作状语,其位置较灵活,可以在主句之前、之后或中间(放在句首时状语从句后面常用逗号,放在句末时状语从句前面往往不用逗号)。根据状语从句的含义,状语从句主要分为时间状语从句、地点状语从句、原因状语从句、目的状语从句、方式状语从句、结果状语从句、条件状语从句、让步状语从句等八种。掌握以上各种状语从句的关键在于把握其相应的引导词。以下是对时间状语从句的基本用法进行小结,希望可以帮助到同学们有一更深的理解。 时间状语从句的引导词 when, before, after, as, while, till/until, since,whenever 时间状语从句的用法 时间状语从句的引导词所表示的意思不尽相同,要注意把握不同的时间状语从句的引导词所表示的不同时间关系,以及它在具体句子中对应的对应时态、语态等问题。 1. when、as、while引导的时间状语从句分析: (1) when引导时间状语从句时表示“当……的时候”,when既可以指时间段也可指时间点,从句中既可用延续性动词又可用非延续性动词,且动作既可和主句的动作同时发生又可在主句的动作之前或之后发生。 注意体会如下例句:I’ll call you when I get there. 我一到那里就给你打电话。// When the wind blows, all the doors rattle. 只要风一吹,这门就吱嘎作响。// He stopped trying, when he might have succeeded next time. 他不再试了,其实他可能下一次就成功。// When I came home my wife was cooking dinner. 我回家时,妻子在做晚饭。 如果when引导的时间状语从句的主语与主句主语相同,而从句的谓语又是be动词时,那么从句中的主语和be可以省略;当when引导的时间状语从句的主语与主句主语相同时,往往还可以用“when+分词”的形式替代该状语从句。例如:When (you are) in trouble, ask her for help. 当你遭遇麻烦的时候去向她求助。// When I came into the room (=When coming into the room), I found him lying there asleep. 当我进入房间的时候,我发现他躺在那儿睡着了。 (2) while引导时间状语从句时表示“当……的时候”,它强调主句的动作与从句的动作同时持续地进行,用于这一用法时while引导的时间状语从句和主句中的谓语动词必须是延续性动词,或者主句的动作发生在从句动作的进行过程中,主句中的谓语动词通常是非延续性动词,例如:Study while you study; play while you play. 该学习的时候就学习,该玩的时候就玩。// I met her while I was at school. 当我在学校的时候我遇见了她。 (3) as引导时间状语从句时表示“当……时,一边……一边……”,侧重表示两个动作同时发生(包括一个主语同时进行两个动作),或者一种动作随着另一种动作的变化而变化。例如:He jumps as he goes along. 他边走边跳。// I slipped on the ice as I ran home. 我跑回家时在冰上滑了一跤。// I saw him as he was getting off the bus. 正当他下公共汽车时, 我看见了他。// As the wind rose the noise increased. 刮风的时候噪声增大。

if引导的条件状语从句练习题

If条件句专练 I单项选择 1. If he hard, he will get good grades. A. study B. studies C. will study D. studied 2. I want to know if Mary to the party tomorrow. A. go B. went C. will go D. goes 3. Everyone must dress up. If you, they won’t let you in. A. don’t B. won’t C. can’t D. mustn’t 4. Mary will go to Sanya if she a five-day trip. A. have B. had C. will have D. has 5. If he comes late,he will miss the train.

A. and B. so C. / D. or II用所给词的适当形式完成句子 1. If Bruce ________(be) free, Let’s go to the park. 2. Tell him the news if you ________ ( meet ) him tomorrow. 3. If he ________(do) well in the exam. His teacher will be pleased with him. 4.If Mary ______(leave ) home too long, she ________(miss) her parents. 5. Be quick ,and you _________(arrive) in time. 6. Hurry up, or you_________(be ) late for school. III完成句子 1.如果他到的晚了会发生什么事情? What _______________ if he _____________ late? 2.如果努力学习,你就会取得好成绩. If you_________ ________,you ________ good ___________. 3.他如果看电视太久了,他的父母会不高兴. If he _____ TV too much, his parents _____ _________unhappy. 4.如果我们为他组织生日聚会,大家都会来的. Everyone ________ if we _______a birthday party ________ him. 5.如果明天不下雨,我会和你一起去公园的.

初中英语——If引导的条件状语从句

初中英语――if引导的条件状语从句 在主从复合句中修饰主句中的动词、形容词、副词等的从句叫做状语从句,状语从句一般可分为时间状语从句、地点状语从句、原因状语从句、目的状语从句、结果状语从句、条件状语从句、让步状语从句、比较状语从句和方式状语从句九种。 在句子中做条件状语的从句称为条件状语从句。可置于句首、句尾,有时还可置于主语和谓语之间。引导条件状语从句的连接词有:if ,unless,as/so long as等 1.if引导的条件状语从句 表示在某种条件下某事很可能发生。 If we pay much attention to the earth, we'll have a better world. 如果我们多关爱地球,就会拥有一个更美好的世界 If it rains tomorrow, what shall we do? 如果明天下雨,我们怎么办? 注意:if还可以引导虚拟条件句,表示不可实现的条件,从句中多用一般过去时或过去完成时。 What would happen if there were no water ? 如果没有水会怎样? 2.unless引导的条件状语从句 unless的意思是如果不,除非。可与if...not互换。 You will fail in English unless you work hard. 你英语考试会不及格的,除非你更加努力。 3.as /so long as引导的条件状语从句 as /so long as意思是“只要” So long as you're happy,i will be happy. 只要你高兴,我就高兴。 4.once引导的条件状语从句 once引导的条件状语从句,意为“一旦...,就”,从句可置于主句前或后 Once you begin,never stop. 一旦开始,就绝不要停止 Maths is easy to learn once you understand the rules. 一旦你理解了规则,数学就不难学了。 提示:在条件状语从句中,用一般现在时代替一般将来时,用一般过去时代替过去将来时。 If the weather is bad next week, we'll put off the climbing. 如果下周天气不好,我们将推迟爬山。 Father told me if i worked hard he would buy me a gift. 爸爸告诉我,如果我努力学习,他会给我买一份礼物。

if条件状语从句专练

If条件状语从句专练 1. If I ___(go) to the party, they ___(be) upset. 2. If I ___(take) a taxi, it ___(be) too expensive. 3. If she ___(finish) work early, she can go home. 4. If the weather is fine, we ____(go) for a walk. 5. If I ___(have) time tonight, I will finish the book. 6. If it ___(rain) next Sunday, we won`t be able to plant trees. 7. If she ___(arrive) home, she will phone

me. 8. Unless you speak to him first, she ___(not speak) to you. 9. If he ___ (call) to you, tell him I will ring back. 10. I don`t know if it ___(rain) tomorrow. 11. Have a rest if you ___(be) tired. 12. Don`t come unless I ___(call) you. 13. I don`t know if he ___(come) tomorrow, but if he __(come), I`ll let you know. 宾语从句与状语从句混合 1. ——Helen, do you know if Martin

(完整word版)初中英语If引导的条件状语从句

初中英语――if引导的条件状语从句 在if 引导的条件状语从句中,if 和条件句位置灵活,可直接放在主句后面,若if 条件句放句首,从句后面要加逗号,和主句隔开。还要注意前后时态一致原则.引导条件状语从句的连接词主要有:if(如果)、unless(除非)或as long as (只要)等。unless在意思上等于if...not。 一、条件状语从句用法 1、引导条件状语从句最常用的连词是if,由if引导的条件状语从句表示在某种条件下某事很可能发生。如: If you ask him, he will help you. 如果你请他帮忙,他会帮你的。 If you fail in the exam, you will let him down. 如果你考试不及格,你会让他失望的。 另外,if从句还表示不可实现的条件或根本不可能存在的条件,也就是一种虚拟的条件或假设,从句多用一般过去时或过去完成时。如: If I were you, I would invite him to the party. 如果我是你,我会邀请他参加聚会。 2、unless = if...not.除非,若不,除非在……的时候 例如:Let's go out for a walk unless you are too tired. =If you are not too tired, let's go out for a walk. Unless it rains, the game will be played. 除非下雨,比赛将照常进行。 二、时态问题 在条件状语从句中,要注意“主将从现”的规定,即主句用一般将来时,从句用一般现在时表示将来时。例句: I will come to see you if I have time. 我有时间,我就来看你。 三如果if 条件句谈论的是重复发生和预示要发生的情景和事件,则主从句大多用一般现在时态。如: If bears are in danger ,they attack people. 误区提醒 if 既可以引导条件状语从句,表示“如果”,也可以引导宾语从句,表达“是否”。辨别它在这两种从句中的时态是我们经常容易出错的地方。另外,if 和unless的用法也需注意。 典型例题:----I wonder if your wife to the party. ----If your wife _________, so will mine。. A. will go,go B. will go, goes C.goes, will go D. will go, will go 解析:第一句中if表示“是否”,引导宾语从句,用将来时will go;第二句“如果你的妻子去,我的妻子也去”,if引导条件状语从句,用一般现在时表示将来时。your wife,单三人称主语,所以用goes 。

状语从句语法讲解

咼中英语状语从句 定义: 在句中作状语的从句是状语从句,修饰主句中的动词、形容词或副词等.状语从句由从属连词引导,从属连词在句中不充当句子成分,只起连接作用,状语从句放在句首时,要用逗号,放在句 尾时不用. 分类 根据意义上的不同,状语从句可分为:①时间状语从句②地点状语从句③原因状语从句④ 目的状语从句⑤条件状语从句⑥结果状语从句⑦让步状语从句⑧方式状语从句⑨比较 状语从句三、时间状语从句主句是一般将来时,时间状语从句用一般现在时表将来;主句是—过去将来时,从句用一般过去时表示过去将来时;主句是一般过去时忆:“主将 ,从句用一般过去时.记从现” (一)引导时间状语从句的连词有:As,whe n (whe never),before,after,as soo n as,un til (till),since,every time,once. | (二)、具体应用1)“while ”主、从句动作或状态同时发生.用while引导的从句用延续性 动词,常表示较长的时间或一个过程.记忆:While 后用进行时.While we were having supper, all the lights went out. Please kee p quiet while others are study in g」 While I was writing letters last night,he was watching TV. 2 )When 表示“就在”的时候", while 意为反而,可是,表示转折.One evening Beethoven was walking in a street,when he sudde niy stopped outside a little house. 3)When ever无论什么时候,随时 1.When ever some one throws in some rubbish,the truck p roduees a pi eee of music. 每当有人扔进一些垃圾时,它(汽车)就放一段音乐 2.When ever we' re in trouble,they will help us. 3.I go to the theatre, whe never I am free. https://www.360docs.net/doc/992917014.html,e and see me whe never you want to.你随时来看我 4) till和until(表示"直到” ”)句首多用until | 1在肯定句中表示“直到”为止”,主句谓语动词要用延续性动词 I was wait ing un til/till he arrived. 2、在否定句中表示“直到,,才”主句谓语动词常用终止性动词,这时until和till常被before 替换. I did n' t leave till/un til she came back. 5) si nee:主句用完成时,从句用一般过去时,si nee引导的从句间或可用现在完成时 It is two years since I have studied En glish. 1.We have known each other si nee we were childre n. 2.We have bee n friends (ever sin ce) since we met at school. 3.It is ”(一段时间)+since+—般过去时态句子 It is two years since my sister married. I

if引导的条件状语从句练习题

If条件状从句练习 1. If there no buying and selling of animals, there no killing in nature. A. is; will he B. will be; will be C. is; is D. will be; is 2. I’m waiting for my friend._, I'll go shopping alone. A. If she comes B. If she won't come C. If she doesn't come 3.The students ____ have a sports meeting this weekend if it _____。A. won’t; rains B. will; rains C. won’t; will rain D. are going to; is going to rain 1.If you _____ to the party, you’ll have a great time A. will go B. went C. go D. going 2.–What are you going to do tomorrow? --We’ll go to the library tomorrow if it ___. A. isn’t rain B. rain C. won’t rain D. doesn’t rain 3. What will you do if you _____ to the old folk’s home visit? A. go B. went C. going D. will go 4. If I eat ____ food, I’ll be very fat. A. too many B. many too C. too much D. much too 5. I’ll give the book to him if he ___ here next Sunday. A. will come B. comes C. is coming D. came 6. I ____ her the answer if she ____me. A. can tell, will ask B. will tell, will ask C. would tell, ask D. will tell, asks 7. We’ll go to the farm and help the farmers with the apple-picking if it ____ tomorrow. A. won’t rain B. will be rainy C. doesn’t rain D. isn’t raining 8. There is going to _______ a sports meeting next week. If it ________, we’ll have to cancel it. A. be, will rain B. have, will rain C. be, rains 9. Y our teacher will be unhappy if you _______ to school late. A. come B. will come C. are coming D. came 10.I don’t know if he __. If he __ , please let me know. A. comes, comes B. will come, will come C. will come, comes D. comes, will come 11.Y ou will stay healthy _______ you do more exercise, such as running and walking. A. if B. how C. before D. where 12.If she here tomorrow, I will tell you. A. comes B. will come C. come D. came 13. I’m waiting for my friend. , I’ll go shopping alone. A. If she comes B. If she doesn’t come C. If she won’t come 14. —Tom wants to know if you will have a picnic tomorrow. —Y es. But if it ______, we’ll play chess instead. A. will rain B. rained C. is raining D. rains 15. If Tom _____ the game, we'll give him a surprise". A. win B. wins C. won D. miming 二、用所给词的适当形式填空。 1.If you ________(feel) tired, you _________ (have) to have a rest. 2. Where _____ he ____(see) the film if he _________(have) time? 3. If there ____(be) fewer trees, there _______( be) more pollution. 4. He ___(dress) more casually if he ___( not work) on weekends. 5. If Marcia _______(live) alone, she _______( keep) a pet parrot. 6. Lana _____ buy) a new dress if the old one ____(be) out of style. 7.The twins _______(fight) if they__________(argue). 8. I ______(have) a bake sale if I ____(need) money for education.

原因状语从句

在复合句中,由从句表示的状语叫做状语从句。它可以用来修饰主语中的动词.形容词.副词等。根据它表达的意思,状语从句可以分为时间状语从句,地点状语从句,条件状语从句,比较状语从句,目的状语从句,结果状语从句和让步状语从句等。由连接词if或unless引导的状语从句叫做条件状语从句。在英文中,条件是指某一件事情实现之后(状语从句中的动作),其它事情(主句中的动作)才能发生,通常译作“假如”。(注意:在含有条件状语从句的复合句中,表示将来时态,主句是一般将来时态,从句要用一般现在时[主将从现原则]) [编辑本段] 条件状语从句的有关知识 语法引导条件状语从句最常用的连词是if,由if引导的条件状语从句表示在某种条件下某事很可能发生。如: If you ask him, he will help you.如果你请他帮忙,他会帮你的。 If you fail in the exam, you will let him down.如果你考试不及格,你会让他失望的。 另外,if从句还表示不可实现的条件或根本不可能存在的条件,也就是一种虚拟的条件或假设,从句多用一般过去时或过去完成时。如: If I were you, I would invite him to the party.如果我是你,我会邀请他参加聚会。 I would have arrived much earlier if I had not been caught in the traffic.如果没有堵车,我会到的早一点儿。 那么,除了if之外,是否还有其他连词也可以引导条件状语从句呢?回答是肯定的,不仅有,还有很多。这些词由于出现的频率较小,且用法较复杂一些,所以不如if为大家所熟知罢了。下面就这些词的用法以例句的形式进行一下简单总结。 1、unless conj.除非,若不,除非在……的时候 You will fail to arrive there in time unless you start earlier.如果你不早点动身,你就不能及时赶到那儿。 Unless it rains, the game will be played.除非下雨,比赛将照常进行。 2、on condition(that)...在……条件下,如果on condition (that)...引导的条件从句是主句事件发生的前提条件或唯一条件。 I can tell you the truth on condition that you promise to keep a secret.我可以告诉你真相,条件是你答应保守秘密。 You can go swimming on condition (that) you don't go too far from the river bank.你只有在不远离河岸的条件下才可以下水游泳。 3、supposing conj.如果,假如supposing引导的条件从句表示一种假设条件。 Supposing it rains, shall we continue the sports meeting?倘若下雨,我们的运动会还要继续举行吗?

if引导的条件状语从句专题练习

滨淮农场学校九年级英语专题复习三:if引导的条件状语从句 一、用所给词的适当形式填空 you _______(feel) tired, you ____________ (have) to have a rest. 2. If there ________(be) fewer trees, there ____________( be) more pollution. 3. If Marcia __________(live) alone, she ____________( keep) a pet parrot. 4. Lana _______( buy) a new dress if the old one _________(be) out of style. 5. Peter ________( send) me a beautiful souvenir if he __________(tour) Spain. 6. If Mr Green _____(say) I am hard- working, my parents ________( feel) glad. 二、单项选择 ()you _____ to the party, you’ll have a great time. A. will go B. went C. go D. going ()2. It will be a long time ____ Peter _____ his work. A.since, has finished B. after, finishes C. when, will finish D. before, finishes. ()3. I ____ her the answer if she ____me. A. can tell, will ask B. will tell, will ask C. would tell, ask D. will tell, asks ()4. – What are you going to do tomorrow --We’ll go to the library tomorrow if it ___. A. isn’t rain B. rain C. won’t rain D. doesn’t rain ()5.—Do you know when he will come back tomorrow --Sorry, I don’t know. When he ____ back, I’ll tell you. A. comes B. will come C. come D. may come ()6. What will you do if you _____ to the old folk’s home v isit A. go B. went D. will go ()7. If I eat ____ food, I’ll be very fat. A. too many B. many too C. too much D. much too ()8. I’ll give the book to him if he ___ here next Sunday. A. will come B. comes C. is coming D. came

总结好的:if引导的条件状语从句

if引导的条件状语从句 if 1) 用法: (1)条件状语从句通常由连词if引导,意为“如果、假如”,主句不能用be going to表示将来,而应该用shall,will。 If you leave now, you are never going to regret it. (错误) If you leave now, you will never regret it. (正确) (2)if “如果”,引导条件状语从句,主句用一般将来时,从句则用一般现在时,如: If it rains tomorrow, I shan’t climb the hills. (3)另外,主句是祈使句或含有情态动词,从句也用一般现在时。如: Please call me if he comes next Sunday. Can you call the policeman if you are in the trouble. 注意宾语从句中的if与条件状语从句if的区别。宾语从句中的if“是否”相当于whether,引导宾语从句,时态需根据语境确定。如果主句用一般现在时,从句可以根据具体情况选用时态,如果主句用一般过去时,从句必须用过去式的某种形式。 I don't know if it will rain tomorrow. 我不知道明天是否会下雨。 Our teacher said there was going to be a football match the next month.我们说下月将有场足球比赛。 【边学边做】用括号内所给词的正确形式填空。 1. What will you buy if you ________(have)a lot of money? 2. If it ________(not snow)tomorrow, we will feel unhappy. 3. You mustn’t go to school if you ________(be)still in bed. 4. If he _______(be)at home at that time, he would know it. 5. Please show me the way if you ________(know)it. 6. You will hurt your teeth if you ________(eat)too much candy. 7. If you gave me a toy car, I _________(be)very happy. 8. I would get the prize if I _________(work)hard. 9.If she ______ (finish ) work early ,she ______(go) home. 10.If the weather______(be)fine,we_______(go)for a walk .

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