初中英語人教版八年級下冊現在完成時復習.ppt

1、The Present Perfect Tense(Revision),現在完成時復習,Welcome,請同學們回憶自己曾經做過的動作：,For example: 1. I did my homework last night. 2. I bought a book last Sunday.,那么哪些動作對現在的情況造成了影響呢？請你說出來,For example: 1. I have finished my homework now. 2. I have had a book for a week.,表示動作發(fā)生在過去，,對現在的影響或結果,或 動作持續(xù)的狀態(tài)，且可能繼續(xù)下去。,Wow! T

2、he Classroom is so clean. Who has cleaned it? 意義： We have known each other for about ten years. 意義：,教室已經打掃，對現在的情況產生了影響,說明我們從十年前認識一直到現在，且繼續(xù)延續(xù)。,下面請同學們歸納出現在完成時的基本結構：,1、肯定句：,2、否定句：,3、一般疑問句：,主語+have/has+not+過去分詞+,Have/Has +主語+ 過去分詞+? Yes，主語+have/has； No， 主語+havent/hasnt,試一試： 1.A: Do you want a pen ? B: N

3、o, I dont . I _ already _ (buy) one . 2. _ you ever _(be) to Paris? 3.A:Where is your mother ? B: She _ (go) shopping today. 4. I _ ( not finish) the homework yet. 5.Li Lei _ just _ (give) the cakes to Polly. 6. There _(be) great changes in Rugao these years. 7.My father _ (go) to Beijing . He isnt

4、at home . 8 I _never_ (be) to London ?,have,been,Have,bought,has gone,have been,given,has,havent finished,has gone,been,have,用法(一): 1.表示過去發(fā)生的某一動作對現在造成的影響或結果,常與一些時間狀語,如:already, yet, ever, never, just, before, once, twice等連用，也可以和包括現在在內的時間狀語，如these days, today, this year, so far等連用。,用法2、 表示過去發(fā)生的動作或存在的

5、狀態(tài)，一直持續(xù)到現在，可以和表示從過去某一時刻延續(xù)到現在的一段時間的狀語連用，標志性時間短語for +時間段，since+時間點/從句，in the last ten years等，謂語只可用延續(xù)性動詞。,borrow,keep,open,be open,英語中行為動詞根據詞義可分為兩種，一種是延續(xù)性的，如teach, study, learn, live等。一種是非延續(xù)性的，如open, close, die, buy, leave, come等，表示動作的發(fā)生與結束于一瞬間完成，不能再延續(xù)，所以它的現在完成時不能和表示延續(xù)的時間狀語連用，即不能與for+時間段, since+時間點/從句連

6、用，也不能用在how long引導的特殊疑問句中。,常見瞬間動詞巧記：,開始離去，借來還， （begin, leave, go, borrow, come, return） 出生入死，買到家。 (join, die, buy, arrive),常見非延續(xù)性動詞與延續(xù)性動詞之間的轉換： open - 2. die - start/begin- 4. finish - get up - 6. become- join- 8. leave- fall ill/asleep- 10. arrive- 11. borrow- 12. buy-,be open,be in/at,be on,have,ke

7、ep,be up,be ill/asleep,be a member/be in,be away,be,be over,be dead,請你來找茬兒： 1.The film has begun for five minutes. 2.His mother has died since two years ago. 3.I have bought the computer for a long time. 4.Helen has joined the Youth League since 2000. 5.How long have you fallen ill?,been on,been dea

8、d,had,been in,been ill,實力測驗 根據提示填空 He _ (離開) for an hour. I _ (到達) at the station for five minutes. -May I _(借) your dictionary? -Sorry, I _ (借) it to Mary. -when _ she _ (借) it? - Two days ago，she_ it for two days. 4. The factory _(開業(yè)) since last year. 5.We _ (參加) the Youth League for two years. 6.

9、The dog _ (死) since 3 days ago. 7.The film _ (開始) for five minutes. 8.How long _ you_ (待在) in London?,has been away,have been,borrow,has been open,have been in,has been dead,has been on,have lent,has kept,Tom four years ago.,現在完成時與一般過去時,Tom for four years.,Tom since he was born.,was born,has lived,h

10、as lived,He _(work) in our school for one year. He _(come) to our school last year/in 2002. They _(cook) the supper already. They _ (cook) the supper half an hour ago.,has worked,came,cooked,have cooked,have/has gone to have/has been in have/has been to,A,B,A,A,B stay,B,1.A: Wheres Jim, Li Lei? B: He _ the school library.