★把短暂性动词转换为延续性词方法
现在完成时句中有关延续性词问题
平和六中曾五龙
当现在完成时句中有for或since短语时，或how long问句中，谓语动词就必须使用延续性词！
如：①I have bought a pen .我已经买了一根钢笔了。
→ I have had a pen for two hours. 我已经买了一根钢笔两小时了。
(这里不能用bought(买) 而要换had(拥有)，因为，‘两小时’里可以‘拥有’，却不能‘买’)。
②How long has she been away ?(不能说：How long has she left ？)她离开多久了？
把短暂性动词转换为延续性词方法举例如下：
一、把短暂性动词转换为延续性动词
① buy购买→have拥有；
② borrow借来→ keep保管；
③ put on穿上→ wear穿着；
④ catch/get a cold 得了感冒→ have a cold感冒着；
⑤ get to know认识上→ know认识(一种状态）；
⑥ lose 丢了→ not have不拥有；
⑦ start/begin to do sth.开始做某事→ do sth.做某事
⑧ fall asleep/get to sleep 入睡→sleep睡着(zhe)/ be asleep睡着的(形容词)
二、把短暂性动词转换为：be + 非动词(词组)
① finish/end结束→ be over结束(副词)
begin开始→ be on在进行(副词)
② close关上→ be closed 关着的(形容词)
open打开→ be open开着的(形容词)
die 死→ be dead死的(形容词)
marry结婚→ be married结好婚的(形容词)
③ arrive at/in = get to = reach 到达→ be in/at/on 在...(介词短语)
（如：arrive at school = get to school= reach school→be at school;
arrive at Zhangzhou = get to Zhangzhou = reach Zhangzhou →be in Zhangzhou ;
arrive at the farm = get to the farm= reach the farm →be on the farm ）
come to 来到= go to去到 = move to搬去→ be in/at/on 在...(介词短语)
arrive here = get here = reach here到达这里→ be here 在这里
arrive there = get there = reach there到达那里→ be there 在这里
arrive home = get home = reach home到达家里→ be at home在家里
④ come back回来 = go back 回去= return 回来→ be back回来(副词)；
come/go out 出来/去→ be out出来/去(副词)；
get up 起床→ be up起来(副词)；
leave 离开→ be away from 远离(副词+介词)；
⑤ become变成→ be是(一种状态）；
⑥ have gone to 已经去了→ have been in已经在
⑦ join the league/ the Party/ the army 入团/入党/参军
→ be a league member/ a Party member/ a soldier是团员/党员/士兵⑧
→ be a member of the league/the Party 是团员/党员
→ be in the league/the Party/the army在团里/党里/军队里
按要求把短暂性动词转换为延续性词的练习
A.
1)He got to Beijing five minutes ago.
He ________ _________ _________ Beijing for _________ _________.
2)I moved to the USA last year.
I ________ ________ __________ the USA since __________ __________.
3)I went home yesterday.
I _______ ________ _________ home for _________ __________.
4)They came here last week.
They _________ _________ here since _________ __________.
B.
1)He came out two years ago.
He _________ __________ _________ for __________ __________.
2)We return to Fuzhou yesterday.
We ________ ________ _________ to Fuzhou since __________.
C.
1)I became a teacher in 2000.
I ________ __________ a teacher for _________ _________.
2)The river became dirty last year.
The river _________ _________ dirty for _________ __________.
D.
1)The shop closed two hours ago.
The shop ________ _________ _________ for _________ _________.
2)The door opened at six in the morning.
The door ________ ________ ________ for six hours.
E.
1)I got up two hours ago.
I ________ ________ ________ since ________ ________.
2)He left Fuzhou just now.
He _______ ________ ________ _________ Fuzhou for five minutes.
3)My grandpa died in 2002.
My grandpa _______ _______ ________for _______ ________.
4)The meeting finished at six.
The meeting ________ ______ ______ for six hours.
5)I got to sleep two hours ago.
I ________ _________ _________ since _________ __________.
6)They married in 1990.
They ________ _________ __________since _________.
F.
1)I began to teach at this school in 1995.
I ____ ____ at this school since ____.
2)The film began two minutes ago.
The film ____ ____ ____ for ____ ____.
G.
1)They borrowed it last week.
They _________ _________ it since __________ __________.
2)I bought a pen two hours ago.
I _________ _________ a pen for ________ __________.
3)I got to know him last year.
I _________ __________ him since __________ __________.
4)I put on my glasses three years ago.
I __________ __________ my glasses for _________ _________.
H.
1)He has gone to Beijing.
He ____ ____ _____ Beijing for two days.
I.
1)He joined the league in 2002.
He ________ _________ a _________ _________ for two years.
He ________ __________ a __________ ___________ the __________ for two years.
He ____________ ___________ ___________ the league for two years.
2)My brother joined the army two years ago.
My brother __________ __________ a ___________ for ___________ ___________.
My brother ___________ ___________ in ____________ ___________ for two years.
答案
按要求把短暂性动词转换为延续性词(当句中有for或since短语时就必须转换为延续性词) A.
1）He got to Beijing five minutes ago. 他五分钟前到达北京的。
He has been in Beijing for five minutes.他已经到达北京五分钟了。
2）I moved to the USA last year.我去年搬到美国去了。
I have been in the USA since last year.我从去年开始就在美国呆到现在了。
3）I went home yesterday.我昨天回家了。
I have been at home for one day .我回家已经一天了。
4）They came here last week.他们上星期来这里的。
They have been here since last week.他们从上星期开始到现在就一直在这里。
B.
1）He came out two years ago.他两年前出来的。
He have been out for two years. 他在外面有两年了。
2）We returned to Fuzhou yesterday.我们昨天回到福州。
We have been back to Fuzhou since yesterday.我们从昨天开始就回到福州了。C.
1）I became a teacher in 2000.我在2000年当上教师。
I have been a teacher for fifteen years.我当教师15年了。
2）The river became dirty last year.去年这条河变脏了。
The river has been dirty for a year.这条河变脏有一年了。
3）The shop closed two hours ago.那家商店两小时前关门了。
The shop has been closed for two hours.那家商店已经关了两小时了。
4）The door opened at six in the morning.门是早上六点开的。
The door has been open for six hours.门已经开了六个钟头了。
E.
1）I got up two hours ago.我在两小时前起床。
I have been up since two hours ago.我在两小时前就已经起床到现在了。
2）He left Fuzhou just now.他刚才离开福州的。
He has been away from Fuzhou for five minutes.他已经离开福州五分钟了。
3）My grandpa died in 2002.我爷爷是2002年去世的。
My grandpa has been dead for thirteen years.我爷爷已经去世13年了。
4）The meeting finished at six.会议在六点结束的。
The meeting has been over for six hours.会议已经结束六点钟了。
5）I got to sleep two hours ago.我是两小时前睡着的。
I have been asleep since two hours ago.(I have slept since two hours ago.)我两小时前
就睡到现在。
6）They married in 1990.他们是1990年结婚的。
They have been married since 1990.他们从1990年就结婚到现在了。
F.
1）I began to teach at this school in 1995.我是1995年开始在这所学校教书的。
I have been at this school since 1995.我从1995年起就(开始)在这所学校教书了。
2）The film began two minutes ago.电影是两分钟前开始的。
The film has been on for two minutes. 电影已经开始(放映)两分钟了。
G.
1）They borrowed it last week.他们是上星期借的。
They have kept it since last week.他们自从上星期就已经借了。
2）I bought a pen two hours ago.我两小时前买了一根钢笔。
I have had a pen for two hours. 我已经买了一根钢笔两小时了。
3）I got to know him last year.我是去年认识他的。
I have known him since last year.我从去年开始就认识他了。
4）I put on my glasses three years ago.我是三年前戴上眼镜的。
I have worn my glasses for three years.我已经戴了三年的眼镜了。
H.
1）He has gone to Beijing.他已经去了北京。
He has been in Beijing for two days.他已经在北京呆两天了。
I.
1）He joined the league in 2002.他是2002年入团的。
He has been a league member for two years.他已经入团(当团员)两年了。
He has been a member of the League for two years.他已经入团(当团员)两年了。
He has been in the league for two years.他已经入团(在团里)两年了。
2）My brother joined the army two years ago.我哥哥是两年前参军的。
My brother has been a soldier for two years.我哥哥已经参军(当士兵)两年了。
My brother has been in the army for two years.我哥哥已经参军(在军队里)两年了。
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延续性动词与非延续性动词练习题 1. When he arrived at the bus stop, the bus ________ for 20 minutes. A. has left B. had left C. has been away D. had been away 2. I ______ the League for 5 years so far. A. joined B. have joined C. have been in 3. The factory ________ since the February of 1988. A . has been open B. has opened C. was open D. opened 4. Mary and Rose _______friends since they met in 2000. A. have made B. have been C. made D. have become 5.You mustn't ________ until he comes back. A. be away B. leave C. be left 6.The meeting _______ for a week now. A. has finished B. has ended C. has been over 7.Miss Gao ______ this school for nearly 5 years. A. has been in B. has come to C. has taught 8.Ben ______ a teacher for 4 years . A. has been B. has become C. was D. became 9. I ______ home for a week. A. have returned B. have been back C. returned 10. How long _______ he ________ ? A. died B. has, died C. has, been dead 11. He ______ at eight yesterday afternoon.
延续性动词和非延续性动词以及when-while的用法和区别
when和while引导的时间状语从句与这一时态连用。所以区别when和while的用法成了这一单元的难点。（一）、when，while都有“当……时候”的意思。when既可表示某一点时间，也可以表示某一段时间。在when引导的时间状语从句中，其谓语动词可以是延续性的，也可以是非延续性的，可与主句中的谓语动词同时发生，也可在其后发生。例如： 1、I was just reading a book when she came into my room. 她走进我房间时，我正在看书。 2、Were you writing when the teacher came in? 老师进来的时候，你在写信吗？ 3、When he was a child he was always trying out new ideas. 他小时候就常常试验一些新的设想。（二）、while只能表示某一段时间，不能表示某一点时间。在while引导的时间状语从句中，其谓语动词只能是延续性的，而且也只能与主句中的谓语动词同时发生或存在。例如：1、While Jim was mending his bike, Lin Tao came to see him. 正当吉姆修自行车时，林涛来看他。 2、You can’t do your homework while you’re watching TV. 你不能一边看电视一边做家庭作业。（三）、另外，when和while的区别还在于：while引导的时间状语从句多用进行时态，而when引导的时间状语从句多用一般时态。例如： 1、While they were talking , the bell rang. 正在他们谈话的时候，上课铃响了。 2、I was doing my homework when my mother came back home yesterday evening. 昨天晚上妈妈回家的时候 一、延续性动词和终止性动词的概念 英语中，动词按其动作发生的方式、动作发生过程的长短，可分为延续性动词和终止性动词。 延续性动词表示能够延续的动作，这种动作可以延续下去或产生持久影响。如：learn, work, stand, lie, know, walk, keep, have, wait, watch, sing, read, sleep, live, stay 等。 终止性动词也称非延续性动词、瞬间动词或短暂性动词，表示不能延续的动作，这种动作发生后立即结束。如open, close, finish, begin, come, go, arrive, reach, get to, leave, move, borrow,buy等。 二、延续性动词的用法特征 1.延续性动词可以用于现在完成时，其完成时态可与表示"段时间"的状语连用。表示"段时间"的短语有：for two years, during the past three years, since last year, how long 等。如：I have learned English since I came here.自从我来到这儿就学英语了。 2.延续性动词不能与表示短暂时间的"点时间"状语连用。如：It raind at eight yesterday morning.(误) rain为延续性动词，而at eight表示"点时间"，前后显然矛盾。如果用延续性动词表示一瞬间的动作，可以借助come, begin, get等终止性动词来表示。上句可改为：It began to rain at eight yesterday morning.(正)又如： -When did you get to know Jack? -Two years ago.
现在完成时中瞬间动词变延续性动词总结
现在完成式中瞬间性动词如何变为延续性动词。 在完成式中，一个瞬间性动词（一次性动作如buy, borrow,die,leave,begin,join等）不能与 表示一段时间的状语（for, since, how long等）连用，此时须将该瞬间动词改为延续性动词或状态动词. 女口：He borrowed a book two days ago.（用现在完成式表达） He has kept the book for two days. 他持有这本书两年了。 1、 _______________________________________________________________ 他三年前买了一辆车。 2、 _______________________________________________________________ 他两年前参了军。 答案：1、He has had a car for three years或He has bought a car.或He bought a car three years ago. 2、He has been in the army for two years或He has joined the army. He joined the army two years ago. 切记：有些动词是非延续的，在此用法中要换成其相对应的延续性动词： His father has died. His father has been dead for three years. 他父亲已经去世三年了。 She has joined the Party/League. She has been in the Party/ League for two months.=She has been a Party/ League member for two mon ths.
瞬间动词与延续性动词
瞬间动词与延续性动词 “瞬间动词”又叫终止性动词、点动词，表示动作有一个终点，到了终点就不能再延续。因此在现在完成时的句子中，瞬间动词不能直接与for/since 连用，需要转换成“延续性动词”。常用的请见5BP17表格。 Exercises 一、改错：横线划出错误的部分，并在后面的横线上改正。 1. How long have you begun to study English? ________________________ 2. I have borrowed this book for two weeks. ________________________ 3. The river has become very dirty since last August.___________________ 4. Our manager is away today. He has been to Guangzhou on business. ___________________________ 5. He has gone out for two years. ________________________ 二、选择 （）1. Her grandfather ______ for two years. A. died B. has died C. has been dead D. has been died （）2. It's six weeks ______ I met you last. A. when B. since C. before D. for （）3. Have you met Mr. Li ______？ Ａ. just Ｂ. ago Ｃ.before Ｄ. a moment ago （）4. We ______ Xiao Li since she was a little girl. Ａ. know Ｂ. had known Ｃ. have known Ｄ. knew
(完整版)延续性动词和非延续动词转换和练习(精华)
终止性动词与延续性动词之间的转换 终止性动词(也可称为非延续性动词,瞬间动词,点动词或短暂性动词),如begin,start,die,buy,leave, come等,表示动作的发生与结束于一瞬间完成,不能再延续,所以它的现在完成时不能和表示延续的时间状语连用, 即不能与表示一段时间的状语,for+时间段, since+时间点/从句连用,也不能用在how long引导的特殊疑问句中. 终止性动词要表示持续时, 可用以下方法: ⑴.将时间状语改为时间段+ ago,句中谓语动词用一般过去时. eg.我弟弟参军两年了. My brother joined the army two years ago. ⑵.若保留for+时间段,since+时间点/从句, 或用在how long 句型中,则需将终止性动词改为相应的状态动词或延续性动词 The film started two hours ago．→The film has been on for two hours． 常见短暂性动词与延续性动词的转换 Ⅰ. be 型 1. go there -- be there https://www.360docs.net/doc/4f16663726.html,e here—be here https://www.360docs.net/doc/4f16663726.html,e back—be back 4.die—be dead 5.leave—be away(from) 6.open—be open 7.close—be closed 8.go/get out—be out 9.finish/end-- be over 10.become—be 11.get up—be up 12.begin/start(上演)—be on 13. fall asleep-- be asleep 14.fall ill – be ill 15. move here/there --be here/there 16. get to… --be at/in 17.arrive at / in… -- be at / in 18.reach…-- be at/in 19.get married --be married 20.join—be in/be a member of join the Party-- be in the Party / be a Party member/ be a member of the Party Ⅱ. 实义动词型 1.borrow-- keep 2. buy——have 3.Begin to teach—teach 4. get to know—know 5.Put on—wear 6. receive--have 7.catch a cold—have a cold 8.hear from—have a letter from ［注意点］ 1．上述例词除borrow／buy／catch需转换为keep ／have外，其余均为“be＋adj．／adv．／n．”结构。2．非延续性动词并非不可用于现在完成时态中，只是不能和表示“一段”时间的短语连用，但可与just，yet，already ，ever，never等连用。例如： They have already come． He has just gone out．
延续性动词和非延续性动词
延续性动词与非延续性动词 试比较，判断下列句子的正误。 翻译：我离开这所学校已八年啦。 【误】I have left this school for eight years. 【正】I have been away from this school for eight years. 解析：当现在完成时与表示一段时间的时间状语连用时，谓语动词必须使用延续性动词。如果谓语动词是非延续性动词则需要转化为对应的延续性动词。 延续性动词表示能够延续的动作，也可 以表示经验与经历，如： learn; sleep; keep; live等 可以与for 和 since 引导的 时间状语连用 He has lived here for 6 years. 非延续性动词也叫短暂性动词，表示不能 延续的动作，这种动作发生 后立即结束，如：open; begin; finish; come; go; borrow等 不能与for 和 since 引导的 时间状语连用 She has already finished her work. 1. 转化为相应的延续性动词 borrow → keep buy → have put on → wear 2. 转化为be+形容词/副词/介词/名词 begin/start → be on go out → be out die → be dead open → be open get to/ arrive in/reach → be in+地点come/ go → be + 相应的介词短语 finish → be over fall ill → be ill get up → be up fall asleep → be asleep join → be in+活动/组织go to school → be in school become → be make friends → be friends close → be closed go to bed → be in bed leave → be away(from)
延续性动词和短暂性动词转换归纳
延续性动词和短暂性动词转换归纳 瞬间动词可以用于现在完成时，但不能和表示一段时间的状语连用如:for 和since 所引导的时间状语都表示一段时间.那就要将瞬间动词转化为表延续的动词或者表状态的be+名词／形容词或副词／介词短语等。 leave—been away from buy—have borrow—keep die—be dead get up—be up put on—be on / wear come / get back—be back go to town—be in town lose—be missing catch a cold—have a cold close—be closed / not open open —be open fall ill / asleep— be ill / asleep begin /start—be on return--be back marry---be married finish--be over become--be come / go to —be in / at arrive in （at）/ get to / reach——be in / at join + 名词-------be in + 组织/ be a（an）+组织成员get /receive a letter from—have a letter from
一看时间状语。如果句中没有表示过去确切时间的状语，常用现在完成时；如果有，则只能用一般过去时。如： I have visited the factory. I visited the factory last year. 二看句首有无疑问词。如果笼统地问人家做过某事了吗（句首无疑问词），常用现在完成时；但进一步询问何时、何地、何原因、用什么方式做那事时（句首有疑问词）就要用一般过去时。如：－Have you had your breakfast? －Yes, I have. －When did you have it? －At seven thirty. 注意：这种用法是以连贯性问答为背景的。否则就需要具体情况具体分析。如： How many words have you learned by heart? How did you learn them by heart? 三看句中谓语动词是否为延续性动词。如果表示的动作或状态一直延续到现在，最好选用延续性动词，并使用现在完成时；如果是瞬间动词，则用一般过去时。如： He has been a league member for two months. He joined the Youth League two months ago.
常用瞬间动词变延续性动词表
常用瞬间动词变延续性动词表 1.have arrived in/at sp.got to/reached https://www.360docs.net/doc/4f16663726.html,e/gone/moved sp= have been in sp 2.have gone/come back.returned=have been back 3.have come/gone out=have been out 4.have become=have been 5.have closed/opened=have been closed/open 6.have got up=have been up 7.have died=have been dead 8.have left sp=have been away from sp 9.have fallen asleep/gone to sleep=have been asleep 10.have finished/ended/completed=have been over 11.have married=have been married 12.have started/begun to do sth=have done sth 13.have begun =have been on
14.have borrowed/bought=have kept 15.have lost=haven’t had 16.have put on =have worn 17.have caught/got a cold=have had a cold 18.have got to know=have known 19.have gone to =have been in 20.have joined/taken part in the league=have been a member of/have been in the league
延续性与非延续性动词在现在完成时态中的使用
延续性与非延续性动词在现在完成时态中的使用 ☆有一些动词是瞬间动词，也叫非延续性动词，这些动词一发生就结束了，常见的有：come, go, arrive, reach, leave,begin, start, buy, join, die, borrow, get up, become, open, stop等。这些动词虽然可以用于现在完成时（说明某个动作的结果还存在），但由于它们不能延续，因此不能跟表示一段的时间状语连用。 e.g. Jim has come back. (正) Jim has come back for a month. (误) come back的动作不能延续一个月，因此错误。 ☆瞬间动词不可以用于有段时间的现在完成时态中，因此，若要解决这一问题，就应把它改为相应的延续性动词或短语，主要有以下几种： ①用相应的延续性动词 如：buy →have borrow →keep come/go/become →be put on →wear catch a cold →have a cold ②转换成be+名词 如：join →be a member of go to school →be a student ③转换成be+形容词或副词 如： die →be dead leave →be away begin →be on finish →be over fall asleep —be asleep open →be open get up →be up close →be closed ④转换成be+介词短语 如： come to/go to/arrive in (at)/get to/reach …→be in/at… join the army →be in the army(军队) e.g. I have borrowed the book. I have kept the book for two days. Jim has joined the band. Jim has been a member of the band for a month. His grandfather has died. His grandfather has been dead for 2 years. My father has arrived in China. My father has been in China for a week. ☆在否定句中，非延续性动词也可以与时间段连用。 e.g. I haven’t borrowed books from the library since last year. 自去年以来我就没有在图书馆借过书。 Jim hasn’t come back for a year. 吉姆已有一年没回来了。 ☆现在完成时的几种常见的句型转换。 现在完成时可以转化成一般过去时，还可以转化成“It is/has been +时间段+since从句(用一般过去时)”等句型。 e.g. Jim has been back for a month. = Jim came back a month ago. = It is/has been a month since Jim came back. = A month has passed since Jim came back. I have kept the book for two days. = I borrowed the book two days ago. = It is / has been two days since I borrowed the book. = Two days has passed since I borrowed the book.
(完整版)瞬间性动词与延续性动词(新)
(完整版)瞬间性动词 与延续性动词(新) -CAL-FENGHAI-(2020YEAR-YICAI)_JINGBIAN
延续性动词与非延续性动词 动词按其动作发生的方式、发生过程的长短可分为延续性动词与非延续性动词。 一.延续性动词表示能够延续的动作,如：learn, work, stand, lie, know, walk, keep, have, wait, watch, sing, read, sleep, live, stay等。延续性动词可以与表示时间段的状语连用。 表示时间段的短语有: 1.for+一段时间, eg: for 2 years; for a long time等 2.since从句,since he came here; 3.since+时间点+ago,eg：since last year, since 5 days ago; 4. how long; 二.非延续性动词也称终止性动词、瞬间动词,表示不能延续的动作,这种动作发生后立即结束。如:open, die, close, begin, finish, come, go, move, borrow, lend, buy等。 如果要与for+ 时间段，since+年份，since+时间段+ago，how long连用时，瞬间性动词要变延续性动词。 三.延续性动词与非延续性动词之间的转换：
例：（1）他死了三年了。 误：He has died for three years. 正：He has been dead for three years. 正：He died three years ago. 正：It is three years since he died. 正：Three years has passed since he died. (2) 他来这儿五天了。 误：He has come here for five days. 正：He has been here for five days. 正：He came here five days ago. 正：It is five days since he came here. 正：Five days has passed since he came here. (1)、(2)句中的die、come为终止性动词，不能与表示"段时间"的状语连用。那么，应如何正确表达呢？可以采用下面的四种方法： (1)将句中终止性动词转换为相应的延续性动词, 如上面两例中的第一种正确表达方式. (2)将句中表示"段时间"的状语改为表示过去确定时间的状语，如下面两例中的第二种正确表达 方式。 (3)用句型"It is+段时间+since..."表达原意，如上面两例中的第三种正确表达方式。 (4)用句型"时间+has passed+since..."表达原意，如上面两例中的第四种正确表达方式。 四、终止性动词可用于现在完成时否定式中，成为可以延续的状态，因而可与表示一段时间的 状语连用。 如:1.He hasn't left here since 1986. 2.I haven't heard from my father for two weeks.
延续性动词和终止性动词区别与用法
延续性动词和终止性动词的区别及用法 一、延续性动词和终止性动词的概念 英语中，动词按其动作发生的方式、动作发生过程的长短，可分为延续性动词和终止性动词。延续性动词表示能够延续的动作，这种动作可以延续下去或产生持久影响。如： learn, work, stand, lie, know, walk, keep, have, wait, watch, sing, read, sl eep, live, stay等。终止性动词也称非延续性动词、瞬间动词或短暂性动词，表示不能延续的动作，这种动作发生后立即结束。如 open, close, finish, begin, come, go, arrive, reach, get to, leave, move, borr ow,buy等。 二、延续性动词的用法特征 1.延续性动词可以用于现在完成时，其完成时态可与表示"段时间"的状语连用。表示"段时间"的短语有： for two years, during the past three years, since last year, how long等。如： I have learned English since I came here.自从我来到这儿就学英语了。 2.延续性动词不能与表示短暂时间的"点时间"状语连用。如：It raind at eight yesterday morning.(误) rain为延续性动词，而at eight表示"点时间"，前后显然矛盾。如果用延续性动词表示一瞬间的动作，可以借助come, begin, get等终止性动词来表示。上句可改为：It began to rain at eight yesterday morning.(正)又如：