2021学年Unit 10 I’ve had this bike for three years.Section A评优课复习ppt课件

这是一份2021学年Unit 10 I’ve had this bike for three years.Section A评优课复习ppt课件，共17页。PPT课件主要包含了常见瞬间动词巧记，was born，has lived，has lived ， B stay等内容，欢迎下载使用。
请同学们回忆自己曾经做过的动作：
Fr example:1. I did my hmewrk last night.2. I bught a bk last Sunday.
那么哪些动作对现在的情况造成了影响呢？请你说出来
Fr example:1. I have finished my hmewrk nw.2. I have had a bk fr a week.
对现在的影响或结果,或 动作持续的状态，且可能继续下去。
Ww! The Classrm is s clean.Wh has cleaned it?意义：We have knwn each ther fr abut ten years.意义：
教室已经打扫，对现在的情况产生了影响
说明我们从十年前认识一直到现在，且继续延续。
下面请同学们归纳出现在完成时的基本结构：
主语+have/has+nt+过去分词+……
Have/Has +主语+ 过去分词+……?Yes，主语+have/has； N， 主语+haven’t/hasn’t
试一试：1.A: D yu want a pen ? B: N, I dn’t . I _____ already _____ (buy) ne .2. _____ yu ever ______(be) t Paris?3.A:Where is yur mther ? B: She ________ (g) shpping tday.4. I _____________ ( nt finish) the hmewrk Lei _____ just _____ (give) the cakes t There ________(be) great changes in Ruga these father ________ (g) t Beijing . He isn’t at hme .8 I _____never______ (be) t Lndn ?
haven’t finished
用法(一):1.表示过去发生的某一动作对现在造成的影响或结果,常与一些时间状语,如:already, yet, ever, never, just, befre, nce, twice等连用，也可以和包括现在在内的时间状语，如these days, tday, this year, s far等连用。
用法2、 表示过去发生的动作或存在的状态，一直持续到现在，可以和表示从过去某一时刻延续到现在的一段时间的状语连用，标志性时间短语fr +时间段，since+时间点/从句，in the last ten years等，谓语只可用延续性动词。
英语中行为动词根据词义可分为两种，一种是延续性的，如teach, study, learn, live等。一种是非延续性的，如pen, clse, die, buy, leave, cme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fr+时间段, since+时间点/从句连用，也不能用在hw lng引导的特殊疑问句中。
开始离去，借来还，（begin, leave, g, brrw, cme, return）出生入死，买到家。(jin, die, buy, arrive)
常见非延续性动词与延续性动词之间的转换：pen ------- 2. die --------start/begin------- 4. finish --------get up ------ 6. becme------jin----- 8. leave-----fall ill/asleep---- 10. arrive------11. brrw----- 12. buy------
be ill/asleep
be a member/be in
请你来找茬儿：1.The film has begun fr five mther has died since tw years ag.3.I have bught the cmputer fr a lng has jined the Yuth League since lng have yu fallen ill?
实力测验根据提示填空He ____________ (离开) fr an hur. I ________ (到达) at the statin fr five minutes.--May I ______(借) yur dictinary? --Srry, I _________ (借) it t Mary. --when ____ she _____ (借) it? -- Tw days ag，she________ it fr tw days.4. The factry ____________(开业) since last __________ (参加) the Yuth League fr tw dg ____________ (死) since 3 days film ___________ (开始) fr five lng _____ yu_________ (待在) in Lndn?
has been away
has been pen
have been in
has been dead
Tm fur years ag.
现在完成时与一般过去时
Tm fr fur years.
Tm since he was brn.
He ____________(wrk) in ur schl fr ne year.He ______(cme) t ur schl last year/in 2002.They _______________(ck) the supper already.They ___________ (ck) the supper half an hur ag.
have/has gne t… have/has been in … have/has been t…
1.A: Where’s Jim, Li Lei? B: He ____________ the schl Greens _____________China fr three years.We _____________the Great Wall twice. It’s very beautiful.
have been t