現(xiàn)在完成時(講課用)PPT課件

1、Present Perfect Tense Have you ever read Little Woman?I havent read it yet.But I have had the book for ten years. And I have kept it on my bookshelf(書架）書架） since ten years ago.Have you ever read Little Woman?I havent read it yet.But I have had the book for ten years. And I have kept it on my bookshe

2、lf(書架）書架） since ten years ago.3.現(xiàn)在完成時的用法現(xiàn)在完成時的用法2.一般疑問句及否定句的一般疑問句及否定句的結(jié)構(gòu)結(jié)構(gòu)1.現(xiàn)在完成時的構(gòu)成現(xiàn)在完成時的構(gòu)成4. 時間狀語時間狀語2.一般疑問句及否定句的一般疑問句及否定句的結(jié)構(gòu)結(jié)構(gòu)3.現(xiàn)在完成時的用法現(xiàn)在完成時的用法1.現(xiàn)在完成時的構(gòu)成現(xiàn)在完成時的構(gòu)成4. 時間狀語時間狀語主語主語+havehas+動詞過去分詞動詞過去分詞助動詞助動詞：talk -like - study - stop - havehashavehas動詞過去分詞變化規(guī)則：動詞過去分詞變化規(guī)則：talkedlikedstudiedstopped2.一

3、般疑問句及否定句的一般疑問句及否定句的結(jié)構(gòu)結(jié)構(gòu)3.現(xiàn)在完成時的用法現(xiàn)在完成時的用法1.現(xiàn)在完成時的構(gòu)成現(xiàn)在完成時的構(gòu)成4. 時間狀語時間狀語Have/Has + 主語主語 + 動詞過去分詞動詞過去分詞疑問式：疑問式：I have finished my homework.Have you finished your homework?A: Have you surfed the internet (上網(wǎng)上網(wǎng))? B: Yes, I have . I have surfed the internet. No, I havent. I havent surfed the internet.talk

4、 on the phone for an hour play soccereat (eaten) potato chipssee (seen) a tiger 2.一般疑問句及否定句的一般疑問句及否定句的結(jié)構(gòu)結(jié)構(gòu)3.現(xiàn)在完成時的用法現(xiàn)在完成時的用法1.現(xiàn)在完成時的構(gòu)成現(xiàn)在完成時的構(gòu)成4. 時間狀語時間狀語Have/Has + 主語主語 + 動詞過去分詞動詞過去分詞否定式否定式: 主語主語 + have/has + not + 動詞過去動詞過去分詞分詞. 疑問式：疑問式：1) We have visited the museum. (改為一般疑問句改為一般疑問句)2)They have seen

5、 the film. (改為否定句改為否定句)3)He has returned the book. (對劃線部分提問對劃線部分提問)4)Jenny has had her lunch for three days. (改為一般疑問句并做否定回答改為一般疑問句并做否定回答)Have you visited the museum?have not=haventhas not=hasnt2.一般疑問句及否定句的一般疑問句及否定句的結(jié)構(gòu)結(jié)構(gòu)3.現(xiàn)在完成時的用法現(xiàn)在完成時的用法1.現(xiàn)在完成時的構(gòu)成現(xiàn)在完成時的構(gòu)成4. 時間狀語時間狀語Have/Has + 主語主語 + 動詞過去分詞動詞過去分詞否定式否

6、定式: 主語主語 + have/has + not + 動詞過去動詞過去分詞分詞. 疑問式：疑問式：1) We have visited the museum. (改為一般疑問句改為一般疑問句)2) They have seen the film. (改為否定句改為否定句)3)He has returned the book. (對劃線部分提問對劃線部分提問)4)Jenny has had her lunch for three days. (改為一般疑問句并做否定回答改為一般疑問句并做否定回答)They havent seen the film.2.一般疑問句及否定句的一般疑問句及否定句的結(jié)

7、構(gòu)結(jié)構(gòu)3.現(xiàn)在完成時的用法現(xiàn)在完成時的用法1.現(xiàn)在完成時的構(gòu)成現(xiàn)在完成時的構(gòu)成4. 時間狀語時間狀語Have/Has + 主語主語 + 動詞過去分詞動詞過去分詞否定式否定式: 主語主語 + have/has + not + 動詞過去動詞過去分詞分詞. 疑問式：疑問式：1) We have visited the museum. (改為一般疑問句改為一般疑問句)2) They have seen the film. (改為否定句改為否定句)3) He has returned the book. (對劃線部分提問對劃線部分提問) 4)Jenny has had her lunch for thr

8、ee days. (改為一般疑問句并做否定回答改為一般疑問句并做否定回答)What has he returned?2.一般疑問句及否定句的一般疑問句及否定句的結(jié)構(gòu)結(jié)構(gòu)2.一般疑問句及否定句的一般疑問句及否定句的結(jié)構(gòu)結(jié)構(gòu)3.現(xiàn)在完成時的用法現(xiàn)在完成時的用法1.現(xiàn)在完成時的構(gòu)成現(xiàn)在完成時的構(gòu)成4. 時間狀語時間狀語Have/Has + 主語主語 + 動詞過去分詞動詞過去分詞否定式否定式: 主語主語 + have/has + not + 動詞過去動詞過去分詞分詞. 疑問式：疑問式：1) We have visited the museum. (改為一般疑問句改為一般疑問句)2)They have

9、seen the film. (改為否定句改為否定句)3)He has returned the book. (對劃線部分提問對劃線部分提問)4)Jenny has had her lunch for three days. (改為一般疑問句并做否定回答改為一般疑問句并做否定回答) Has Jenny had her for three days?No,she hasnt.2.一般疑問句及否定句的一般疑問句及否定句的結(jié)構(gòu)結(jié)構(gòu)3.現(xiàn)在完成時的用法現(xiàn)在完成時的用法1.現(xiàn)在完成時的構(gòu)成現(xiàn)在完成時的構(gòu)成4. 時間狀語時間狀語present(now)futurepastMum, I them.John,

10、 clean your John, clean your teeth please.teeth please.2.一般疑問句及否定句的一般疑問句及否定句的結(jié)構(gòu)結(jié)構(gòu)3.現(xiàn)在完成時的用法現(xiàn)在完成時的用法1.現(xiàn)在完成時的構(gòu)成現(xiàn)在完成時的構(gòu)成4. 時間狀語時間狀語1)過去發(fā)生過去發(fā)生或已經(jīng)完成完成的某一動作對對現(xiàn)在造成的影響或現(xiàn)在造成的影響或結(jié)果結(jié)果。2)現(xiàn)在完成時表示從過去一直持續(xù)到現(xiàn)在完成時表示從過去一直持續(xù)到現(xiàn)在的動作或狀態(tài)現(xiàn)在的動作或狀態(tài)。Someone has broken the door. (窗戶現(xiàn)在是壞的窗戶現(xiàn)在是壞的)I have already lost the key. (我現(xiàn)在

11、沒有鑰匙我現(xiàn)在沒有鑰匙)I havent read that book yet . (不了解書的內(nèi)容不了解書的內(nèi)容)I have just cleaned my hands. (手是干凈的手是干凈的)2.一般疑問句及否定句的一般疑問句及否定句的結(jié)構(gòu)結(jié)構(gòu)3.現(xiàn)在完成時的用法現(xiàn)在完成時的用法1.現(xiàn)在完成時的構(gòu)成現(xiàn)在完成時的構(gòu)成4. 時間狀語時間狀語1)過去發(fā)生過去發(fā)生或已經(jīng)完成完成的某一動作對對現(xiàn)在造成的影響或現(xiàn)在造成的影響或結(jié)果結(jié)果。2)現(xiàn)在完成時表示從過去一直持續(xù)到現(xiàn)在完成時表示從過去一直持續(xù)到現(xiàn)在的動作或狀態(tài)現(xiàn)在的動作或狀態(tài)。She has learned English for 5 yea

12、rs. He has lived in Beijing since ( 自從自從)he was born .Have you stayed here since ( 自自從從) 3 oclock?2.一般疑問句及否定句的一般疑問句及否定句的結(jié)構(gòu)結(jié)構(gòu)3.現(xiàn)在完成時的用法現(xiàn)在完成時的用法1.現(xiàn)在完成時的構(gòu)成現(xiàn)在完成時的構(gòu)成4. 時間狀語時間狀語Have you ever read Little Woman?I havent read it yet.But I have had the book for ten years. And I have kept it on my bookshelf(書架

13、）書架） since ten years ago.3.現(xiàn)在完成時的用法現(xiàn)在完成時的用法2.一般疑問句及否定句的一般疑問句及否定句的結(jié)構(gòu)結(jié)構(gòu)1.現(xiàn)在完成時的構(gòu)成現(xiàn)在完成時的構(gòu)成4. 時間狀語時間狀語2.一般疑問句及否定句的一般疑問句及否定句的結(jié)構(gòu)結(jié)構(gòu)3.現(xiàn)在完成時的用法現(xiàn)在完成時的用法1.現(xiàn)在完成時的構(gòu)成現(xiàn)在完成時的構(gòu)成4. 時間狀語時間狀語for+時間段時間段since+1. Mr. Brown has had his TV _ 15 years. 2. Ive taken driving lessons _ last month. 3. My sister has had her cell

14、phone _ a month . 4. My friends havent visited me _ my birthday. 5. We havent used our car _ a long time . 6. She hasnt had a good cup of coffee _years. 7. Tom has worn glasses _ he was 7 years old. forforforforsincesincesince時間點時間點句子句子2.一般疑問句及否定句的一般疑問句及否定句的結(jié)構(gòu)結(jié)構(gòu)3.現(xiàn)在完成時的用法現(xiàn)在完成時的用法1.現(xiàn)在完成時的構(gòu)成現(xiàn)在完成時的構(gòu)成4.

15、 時間狀語時間狀語for+時間段時間段since+時間點時間點句子句子already(已經(jīng)已經(jīng)) yet(已經(jīng)已經(jīng))just(剛剛剛剛) ever(曾經(jīng)曾經(jīng))never(從來沒有）從來沒有）before（從前）（從前）肯定句中肯定句中否定否定，疑問句末，疑問句末肯定句中肯定句中肯定肯定、否定句中、否定句中句中句中句末句末1 1）一般過去時表示過去某時發(fā)生的動作或單純敘述過）一般過去時表示過去某時發(fā)生的動作或單純敘述過去的事情，強調(diào)去的事情，強調(diào)動作動作，和現(xiàn)在不發(fā)生關(guān)系。而現(xiàn)在完成，和現(xiàn)在不發(fā)生關(guān)系。而現(xiàn)在完成時表示過去發(fā)生的某一動作對現(xiàn)在造成的影響或結(jié)果，時表示過去發(fā)生的某一動作對現(xiàn)在造成的

16、影響或結(jié)果，強調(diào)的是強調(diào)的是現(xiàn)在的現(xiàn)在的情況情況。2 2）一般過去時常與具體的時間狀語連用，而現(xiàn)在完成）一般過去時常與具體的時間狀語連用，而現(xiàn)在完成時通常與模糊的時間狀語連用，或無時間狀語時通常與模糊的時間狀語連用，或無時間狀語。 一般過去時的時間狀語有：一般過去時的時間狀語有：yesterday, last weekyesterday, last week，ago, ago, in1980, in October, just now,in1980, in October, just now,等具體的時間狀語。等具體的時間狀語。 共同的時間狀語有：共同的時間狀語有：this morning,

17、tonight, this summer, this morning, tonight, this summer, before, already,before, already,等。等。 現(xiàn)在完成時的時間狀語有：現(xiàn)在完成時的時間狀語有：for, since, ever, never, just, for, since, ever, never, just, already, yet, in past yearsalready, yet, in past years等不確定的時間狀語等不確定的時間狀語。 I saw this film yesterday. （只說明動作發(fā)生在過去。）只說明動作

18、發(fā)生在過去。） I have seen this film. （強調(diào)對現(xiàn)在的影響，電影的內(nèi)容已經(jīng)知強調(diào)對現(xiàn)在的影響，電影的內(nèi)容已經(jīng)知道了。）道了。） She has returned from Paris.（她已從巴黎回來了。）她已從巴黎回來了。）She returned yesterday. （她是昨天回來的。）她是昨天回來的。）He has been in the League for three years. (在團內(nèi)的狀態(tài)可延續(xù)在團內(nèi)的狀態(tài)可延續(xù))He joined the League three years ago.( 三年前入團，三年前入團，joined為為短暫行為。短暫行為。)

19、 注意注意：句子中如有一般過去時的時間副詞句子中如有一般過去時的時間副詞（如（如 yesterday, last week, in 1960）時，不能使用現(xiàn)在完成時，要用過去時。時，不能使用現(xiàn)在完成時，要用過去時。例如：例如： （錯）（錯）Tom has written a letter to his parents last night. （對）（對）Tom wrote a letter to his parents last night. eat- see- read- keep- have- be-leave- make- go- meet- come- write-tell- buy-

20、 find- build- builtfoundtoldcomegonelefthadreadeatenboughtwrittenmetmadebeenkeptseen1. I _(wait) for him for two hours . I am very angry .2. He _ (be) a doctor since he was twenty .3. The film _ (be) on for fifteen minutes . 4. _ you ever _ (read) that book before ?5. _ you ever _ (try) to change he

21、r ?6. No one _ (arrive) here yet .7. _ the bus _ (leave) yet ?8. I _ (not talk) to him yet .Havent talkedHas lefthas arrivedHave triedHave readhas beenhas beenhave waited用所給動詞的適當形式用所給動詞的適當形式填空填空9. I_ already _ (see) the film. I _ (see) it last week. 10. Look! The monkey _ (climb) the tree.11. My fat

22、her _ just _ (come) back from work. He is tired now. 12. The students _ (read) English when the teacher came in. 13. I _ (work) here since I _ (move) here in 1999.14. So far I _(make) quite a few friends here.15. How long _ the Wangs _(stay) here ? For two weeks. 16. I _ just _ (finish) my homework.

23、 17. He _ (go) to school on foot every day. 18._ you _ (find) your science book yet? is climbingwere readingmovedhave workedhave madegoeshave stayedhave finishedHave foundsawhave seenhas come1. She has done her homework. (改否定句改否定句)2. She has already told us the news. (改否定句改否定句)3. The rain has already stopped. (改一般疑問句改一般疑問句)4. I have waited here for two hours. (劃線提問劃線提問)5.He has lived in ShangHai since he left Beijing. (劃線提問劃線提問)6. They have bought a new car, _ _? (反義疑反義疑問句問句)7. She has learned French since 2002. (同意句同意句