1、Present Perfect Tense，現(xiàn)在完成Present Perfect Tense時給定have/has過去分詞(PP)，當(dāng)前完成時的結(jié)構(gòu)，Winter has already come，給定have/has過去主語是第三人稱單數(shù)形式助動詞，has，1，規(guī)則變化(過去分詞與過去變化規(guī)則相同)，(1)，一般動詞，詞尾直接加“ed”即可。work-worked-worked visit-visited-visited(2)，以“e”結(jié)尾的動詞僅在后綴中添加“d”，Live - lived，過去分詞，(，study-studied-studied cry-cried-Stop-stopp

2、ed-stopped drop-dropped-dropped，2，不規(guī)則變化現(xiàn)在完成的時候強調(diào)強調(diào)過去的動作和現(xiàn)在的連接，即現(xiàn)在的影響和結(jié)果。have/has過去分詞，1 .2 2.現(xiàn)在完成的時候強調(diào)過去和現(xiàn)在的關(guān)系，不能和具體的時間副詞一起使用。3.一般來說，強調(diào)過去發(fā)生的事情或狀態(tài)，不說明與現(xiàn)在的關(guān)系，而是與表示過去的具體時間一起使用。(last、ago、yesterday、etc .)、present、past、I have lived here for two years、I lived there 2 years通常表示過去的某個時間點發(fā)生了這種行為，與當(dāng)前無關(guān)。他已經(jīng)學(xué)英語五年了

3、。he has studied English for five years。他學(xué)了5年英語。He studied English for five years)，Ive lived here for ten years。我在這里住了10年。I lived here for ten years。我在這里住了10年。He has bought a house。他買了一棟房子。He bought a house ten years ago。他十年前買了房子。(還不清楚是否擁有這所房子。)一般在過去和現(xiàn)在完成的時候有明顯的時間副詞。Yesterday、Last year、in May、in May、

4、In的過去一年、two days ago、the other day、just now等是一般過去(表格過去的時間)、so far存在的時候、In/A:這本書我買了已經(jīng)兩年了。B:你在哪里買的？A:住在我們家鄉(xiāng)。A:看過這部電影嗎？B:本。A:什么時候見過。B:上星期天看的。a : the train has left。b : when did it leave。a : it left half an hour agage B :示例，I have.a : when did you see it？B :i saw it last Sunday，a : ive had the book for

5、two years . b : where did you buy it？A: I bought it in my hometown。目前不能和過去的時間副詞一起使用。常用的時間副詞包括，before，by now (sofar)，once，twice，just Never，all ones life，in/during/over the past/(常規(guī))=Ive had breakfast already。注：中有already的句子在時態(tài)中不是全部現(xiàn)在完成。判斷取決于那個詞后面是否有動詞的過去分詞。eg . shes already eighty years old . it was a

6、lready very late。(2) yet，否定句：文章結(jié)束“尚未(無)”，I havent had breakfast yet。注意：在肯定語句中包含already或just，否定時，請在文章末尾添加yet。I havent seen the film yet。mother has just cleaned the house。mother hasnt cleaned the house yet。I have already seen the film肯定/疑問句：文章中的“一次”，ive ever been to Beijing . have you ever been to Bei

7、jing？(never，否定句：文章中“從來沒有”Ive never been to Beijing。如果主：上有ever的肯定語句變?yōu)榉穸ㄕZ句，則將ever改為never，he has ever mading No，never。He has never made meal。帶有ever的一般疑問句在否定回答時是“no，never .”，(5)可以使用just，(6) before，句尾為“之前”的ive seen it before . has she ridden a bike before？exercises，1 . I _ _ _ _ _ _ _ _ _ _ _(have)lunch

8、already . 2 . has the train _ _ _ _ _ 3。tome _ _ _ _ _ _ never _ _ _ _ _ _(be to)China . 4 . the twin _ _ _ _ _ jun My father Juss.用法2:e . g . Kate has lived here for 3 years . Kate has lived here since 3 years ago。Kate has lived here since she came to China。動詞使用連續(xù)性動詞。經(jīng)常與For或since引導(dǎo)時間一起使用。Since:(之后)

9、1)since時間點hehasstayedheresince 5 oclock . 2)Since期間ago hehasstayedheresince 5 hours ago . 3)Since子句(句子的謂語動詞，since注意事項：對for或since引導(dǎo)時間副詞的問題是_ _ _ _ _ _ _ _ _ _ _ _，1 .I have lived here for 10 years。how long have you Lou，2 .she has stood here since 2 hours ago。how long has she stood here？選擇、how long、Fo

10、r和since以選擇： 1。we havent seen each other _ _ _ _ a long time . 2 .填充his father has been in the party _ _ _ _ 20 minutes . 4 . Mr green hartybrown has had his TV _ _ _ _ _ 15 years . 7 . ive taken driving lessons _ _ _ _ _ _ lessons Friends havends、for、since、for、since、for、for、since She has bought the

11、computer for two years。had、please point out any mistakes and correct、how long have you come to to、been in、please point out、been in Please point out any mistakes and correct、I have got to Paris for one week、been in、Please point out any mister、been in、been a soldier、please point out any mistakes and correct、i. Been away for 3 days、please point out any mister，kepp Please point out any mistakes and correct，the film has begun for