現(xiàn)在完成時講義及練習(xí)

1、Grammar語法:simple present tense 現(xiàn)在完成時A表示過去發(fā)生或已經(jīng)完成的某一動作對現(xiàn)在造成的影響或結(jié)果 I am doing my homework. I have done my homework.B表示動作或狀態(tài)從過去某一時刻開始，一直延續(xù)到現(xiàn)在，而且可能還要繼續(xù)下去。Ive known Alice for three years.現(xiàn)在完成時的構(gòu)成：主語+have/has +動詞的過去分詞. I have done my homework.1.否定：have, has后面加not . I have not done my homework.2.一般疑問句：have

2、, has提到主語前 Have you done your homework?區(qū)別：has gone to:表示某人已去了某地，而沒有回來(去了沒回)has been to :表示去過某地(去過已回來)has been in/at(in表示相對大一些的地點;at表示相對小一些的地點):表示一直呆在某地,常與時間段搭配.since+時間點=for+時間段since+一般過去時態(tài)的時間狀語從句=since+時間點+ago現(xiàn)在完成時往往同表示不確定的過去時間狀語連用already(肯定句中)，yet(否定，疑問，句末)，just(剛剛), before(之前), recently(最近), stil

3、l, lately, never等:I have already finished my work.I havent finished my work yet.(否定句)Have you finished your work yet?(一般疑問句)動詞過去式和過去分詞的變化相同一般在動詞詞尾直接ed. 如：pick picked picked; wish wished wished; stay stayed stayedA-A-A: let let let; put put put; read read read, cutcutcutA-B-B: lend lent lent; build b

4、uilt built; send sent sent buy bought bought; bring brought brought; A-B-C: choosechosechosen dodiddone seesawseen drinkdrankdrunk gowentgone taketooktakenA-B-A: runranrun comecamecome練習(xí)一.選擇1. How long have you _ here? A. come B. got C. arrived D. been 2. My grandpa died _.A. at the age of my 2 B. f

5、or 2 years C. when I was 2. D. my age was 6.3. Jane has _ to BeiJing. She will come back tomorrow. A. been B. gone C. went D. never been4. It is ten years _ I last saw her. A. after B. since C. for D. that 5.-Who will go to the station to meet Lorry? -I will. I _ her several times. A. met B. have me

6、t C. had met D. will meet二.用所給詞的適當(dāng)形式填空1. I_ already _ (see) the film. I _ (see) it last week.2. _ he _ (finish) his work today? Not yet.3. My father _ just _ (come) back from work. He is tired now.4. Wheres Li Ming ? He _ (go) to the teachers office.5. I _ (work) here since I _ (move) here in 1999.6

7、. So far I _(make) quite a few friends here.7. How long _ the Wangs _(stay) here ? For two weeks.8. I _ just _ (finish) my homework.9. He _ (go) to school on foot every day.10._ you _ (find) your science book yet?11. If it _ (be) fine tomorrow, Ill go with you.12. The students _ (read) English when the teacher came in. 13. Look! The monkey _ (climb) the tree.14. My mother _ (come) to see me next Sunday.15. Ive lost my pen. _ you _ (see) it anywhere?二對劃線部分提問1. Nancy has broken the glass. _2. Maria and Jane have waited at the airport for two hours. _3.They hav