现在完成时演示文稿

1、Did you see the film yesterday ?I saw the film yesterday. I have seen the film before.So I dont want to see this film today. The boy did his homework last night.The boy has done his homework already （已经）（已经）.So he doesnt have to do his homework this morning.This is a picture of Dagang Park.I visited

2、 there last Sunday.I have visited Dagang Park already.So I know some interesting places there now.结构：结构： have done (动词过去分词动词过去分词)has done (动词过去分词动词过去分词)I have seen the film before.has done his homework already.1我之前已经看过这部电影了我之前已经看过这部电影了. I _(see) the film before.2这个男孩已经做完作业了这个男孩已经做完作业了.The boy_ (do)

3、theHomework already.3 她已经参观过大岗公园了她已经参观过大岗公园了.She _ (visit) DaguangPark already.have seenhas donehas visited(一一)谈论过去谈论过去已做已做的事情对的事情对现在造成现在造成的影响的影响, 常与以下单词连用常与以下单词连用:现在完成时的用法现在完成时的用法already（已经）（已经） yet（仍然）（仍然） ever (曾经）曾经） never（从不）（从不）just （刚刚）（刚刚） before（以前）（以前）1.Deming _ this film before. A. saw B.

4、 have seen C. has saw D. has seen2.These teachers_ ever _ us. A.has, teach B. has, taught C.have, taught D. have , teached3. _ she ever _ in Haiou Middle School ?( )A.Has studyed B. Has studied C. Have studied D. Have study4. They _ the homework yet.A. hasnt finished B. havent finish C. hasnt finish

5、 D. havent finished现在完成时的用法现在完成时的用法(二二)谈论谈论过去某一动作过去某一动作一直持续到一直持续到现在现在。常与以下词组连用：since 1990, （自从）（自从） for 10 years（持续）（持续）live in Greece/since(自从自从)2006She has lived in Greece since 2006.(从从2006年起，她一直住在希腊，年起，她一直住在希腊，现在还住在那里现在还住在那里)be a guard/for 10 yearsHe has been a guard for 10 years.(他从过去一直到现在，当了他从

6、过去一直到现在，当了10年门卫年门卫)1 我已经做了我已经做了12年老师年老师. I have been a teacher for 12 years.2 我们已经在灵山中学学习了我们已经在灵山中学学习了1年年. We have studied at Lingshan Middle School for 1 year.3自从他出世后自从他出世后,他一直住在灵山他一直住在灵山. He has lived in Lingshan since he was born.(1)我从我从2006年就在这工作了。年就在这工作了。I _(work)here _ 2006.(2)他已经当了十年的警察了。他已经当

7、了十年的警察了。 He _(be) a policeman_10 years.(3)他们已经学了他们已经学了6年英语。年英语。 They _(learn)English _6 years.have workedsincehas beenforhave learntforHave you ever been to Beijing?Yes, I have./ No, I havent.How long have you learned English?I have learned English for 4 years.Where do you live?I live in Lingshan.Ho

8、w long have you lived there?I have lived there since / for years.过去某时发生的事情一直持续到现在过去某时发生的事情一直持续到现在The Present Perfect Tense (现在完成时现在完成时)I have been a teacher for 10 years.I have not been a teacher for 10 years.Have you been a teacher for ten years?过去的已做的事情对现在造成的影响过去的已做的事情对现在造成的影响She has cleaned the r

9、oom.She has not cleaned the room.Has she cleaned the room?*现在完成时的肯定结构：现在完成时的肯定结构： have / has done *现在完成时的否定结构：现在完成时的否定结构： have / has not done*现在完成时的一般疑问句结构：现在完成时的一般疑问句结构： Have/ Has done ?*肯定回答：肯定回答：Yes, have/has. 否定回答否定回答: No, havent/ hasnt paint the chair.12danceThe boy _.The boy _._the boy _?Yes,

10、_./ No, _. paint the chair. has painted the chair hasnt painted the chairHas painted the chair he has he hasntThe girls _.The girls _._ the girls _?Yes, _./ No, _. have danced havent dancedHave danced they have they haventExercises:写出下面动词的过去式和过去分词写出下面动词的过去式和过去分词1.clean ;2. close ;3. study ;4. stop ;

11、5. buy ;6. eat ;7. grow ;8. cut ;cleaned cleanedclosed closedstudied studiedstopped stoppedboughtboughtateeatengrewgrowncutcut9.have ;10. see ;hadhadsawseen _规则规则 _ _ _不规则动词（详见书不规则动词（详见书P123）二二 动词的过去分词动词的过去分词1.+ ed 2.e+ d 3.辅音辅音+y i+ ed4.元音辅音元音辅音双写双写+ed 三三 already and yetShe has already cleaned the

12、room. She hasnt cleaned the room yet.*already 用在用在_ 句中，句中，_;也可放在句末。也可放在句末。*yet 用在用在_句和句和 _句中，放在句中，放在_.I have _ passed the exam.Li Lei hasnt returned the book to me _.肯定肯定 have/has already done否定否定疑问疑问句末句末( notyet) alreadyyet四四 ever and neverHave you ever been to England?No, I have never been to Engl

13、and.*ever 表示表示_,用于用于_句句, _.*never 表示表示_,用于用于_表表_, _.Have you _ seen this film?No, I have _ seen it.曾经曾经疑问疑问Have/has ever done?从不从不肯定句肯定句否定否定Sb have/has never doneevernever五五 for and sinceI have been a teacher for 12 years. = I have been a teacher since 2000.*for + _, since + _.He has lived here _ th

14、ree years. = He has been here _ three years ago.They have played basketball _ they were very young.A. in B. at C. for D. since时间段时间段 持续持续过去时间过去时间 自从自从forsinceeverforalreadysinceyet1. Have you _ been to Japan?2. I have _ finished my homework. 3. My father has been an engineer _ a year.4. I have finis

15、hed my homework _.We have learned 15 songs _ we came to this school.6. I havent finished my homework _.7. Have you _ spoken to a foreigner?alreadyever选择最佳答案选择最佳答案1. Deming _ this film before.A.saw B. have seen C. has saw D. has seen2. These teachers have _ taught us. A. already B. ever C. never D. y

16、et3. They havent finished the homework _.A.already B. ever C. never D. yet4. They have known_ 50 years.A. yet B. since C.for D. already, D.5. He _ Guangzhou for five years.A.has been to B. has been in C. went D. has gone to 6. Tom isnt in Guangzhou. He _ London .A.has been to B. have gone to C. has gone to D. have been in 7. I have lived in this flat _ I came here.A. ever B. never C. since D. for8. Mary ha