1、已學(xué)習(xí)過的時(shí)態(tài),1.v原形 2.v+s/es（三單現(xiàn)）,am/is/are+v-ing,1.will/shall+v原形 2.am/is/are going to +v原形,1.v-ed（規(guī)則動(dòng)詞） 2.不規(guī)則動(dòng)詞,was/were+v-ing,have/has+been+v-ing,過去開始，一直進(jìn)行到現(xiàn)在,判斷下列句子的時(shí)態(tài),1.She works in a factory. 2.I was doing my homework at this time yesterday. 3.We are going to have a picnic this Sunday. 4.They held a

2、 sports meeting last week. 5.Are you helping your mother .,一般現(xiàn)在時(shí),過去進(jìn)行時(shí),一般將來時(shí),一般過去時(shí),現(xiàn)在進(jìn)行時(shí),現(xiàn)在完成時(shí),1.過去發(fā)生的動(dòng)作對(duì)現(xiàn)在造成的影響或結(jié)果。,2.過去已經(jīng)開始，持續(xù)到現(xiàn)在的動(dòng)作或狀態(tài),動(dòng)詞構(gòu)成：have/has+v過去分詞,have breakfast,I have just had my breakfast.,(現(xiàn)在我不餓),Im not hungry now,moved here in 2000,I still live here,I have lived here for three years.

3、,I have lived here since 2000/three years ago.,現(xiàn)在完成時(shí)動(dòng)詞構(gòu)成 have /has+v 過去分詞,助動(dòng)詞,否定,havent hasnt,疑問,Have you? Has he?,動(dòng)詞的過去分詞形式,1.規(guī)則動(dòng)詞 2.不規(guī)則動(dòng)詞,finish-finished-finished live-lived-lived carry-carried-carried stopstopped-stopped,Eg.,gowentgone see-sawseen forgetforgot-forgotten,翻譯.,finish, homework,I hav

4、e finished my homework.,He has finished his homework,havent,Has he,Yes,he has,No ,he hasnt,她成為一名護(hù)士已經(jīng)三年了。 我五年前就認(rèn)識(shí)李雷了。 那些相片我已經(jīng)寄給他了。（post） 我來到這個(gè)學(xué)校后，他就一直教我。 我剛丟了我的歷史書。,She has been a nurse for three years.,I have known Lilei since five years ago.,I have already posted the photos to him.,He has taught me

5、 since I came to the school.,I have just lost my history book.,know, knew ,known teach,taught,taught lose,lost,lost,Pay attention 注意,1.現(xiàn)在完成時(shí)句中常見的時(shí)間狀語 A.表示從過去一直持續(xù)到現(xiàn)在,不能是具體過去時(shí)間,( 1).for+表示一段時(shí)間的短語 ( 2).since+表示過去時(shí)間點(diǎn)的詞語 ( 3).since+表示過去時(shí)間的時(shí)間狀語從句,eg.I have been a teacher _ a year. He has been at this scho

6、ol _ 1992. We have learned 1,000 English words _ we came to this school.,for,since,since,不能是具體過去時(shí)間,B.just,already,yet,before/ ever,never 有此類副詞時(shí),常強(qiáng)調(diào)動(dòng)作完成,不強(qiáng)調(diào)動(dòng)作的持續(xù).,eg.Have you _been to Japan? I have _ finished my homework. I have finished my homework _. I havent finished my homework _.,ever,just,alrea

7、dy,yet,2.區(qū)分短暫性動(dòng)詞與持續(xù)性動(dòng)詞. 表示短暫性(瞬間性)的動(dòng)詞在現(xiàn)在完成時(shí)的句中不能和一段時(shí)間連用.即for,since短語或how long問句,I have bought this pen for two months.,I have had this pen for two months.,How long have you _ this pen.,had,The play has begun for an hour.,has been on for an hour.,come/arrive go out leave begin buy borrow join die cat

8、ch a cold,be,be out,be away (from),be on,have,keep,be a member of,be dead,have a cold,改錯(cuò),How long have you become a league member？ For more than one year. Have you arrived here since last night. Yes，youre right. The dog has died for a month. He has gone to Shanghai twice. How long have been at this

9、school? Since two years,been,been,been dead,been,ago,For,改寫句子,1.My father came back from the bookshop just now. My father _ just _ _ the book shop. 2.He began to learn Chinese in 2001. He _ _ Chinese since 2001. 3.The film began two minutes ago. The film _ _ _ since two minutes ago. 4.He has had the

10、 motorbike for two years. Its two years _he _ the motorbike. He _ the motorbike two years _. Two years _ _ since he _ the motor bike,has,returned,from,has,learned,has been on,since,bought,bought,ago,has passed,bought,用所給動(dòng)詞的適當(dāng)形式填空,1.He_ (go) to America the year before last. 2.-What _ you _(do)? -I _

11、(be) a teacher. 3. Do you like _ (drink) milk? 4.He _ _(not have) his supper yet. 5.We _ (see) Uncle Li tomorrow. 6.Joans mother often _ at four, now she _(cook) 7.He _(read) a book when the accident _(happen). 8._ (travel) by air is very fast 9.Let us _ (wait) outside. 10.The teacher told us _ (not talk) any more.,went,d