8-4-现在完成时和过去完成时.ppt

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1、现在完成时与过去完成时现在完成时与过去完成时 现在完成时现在完成时 表示的动作在过去发生表示的动作在过去发生,对现在产生的影响和结果对现在产生的影响和结果1.构成构成:have/has+动词的过去分词动词的过去分词(ed)2.标志词标志词:since,for,already,yet,自从自从 有有 已经已经(肯定句肯定句)还还(否定否定,疑问句疑问句)just,ever,never,once/twice/three times 刚刚刚刚 曾经曾经 从不从不 一次一次 两次两次 三次三次 how long 多久多久 how many times 多少次多少次Eg.用用for,since 填空填空

2、 1.I have lived here _ three years.2.I have lived here _ 2003 3.I have lived here _ three years ago.4.I have lived here _ I was born for since since since用用already，yet填空填空(1)I have _ seen the film.Have you seen it _?(2)He has never been there _.(3)They have_ ridden the horse.already yet yet already

3、has gone to has gone to Have been have been 3.have/has been to 曾经去过（人回来）曾经去过（人回来）have/has gone to 已经去了已经去了（人没回来）（人没回来）(1)His father _ Shanghai,so he goes to school himself.(2)Where is Jim?He _ the office.(3)_you _ to Beijing?I _ there(4)Our teacher _ Japan.She will stay there for a year.(5)We _the G

4、reat Wall twice.What about you?(6)你父亲去过英国吗你父亲去过英国吗 (7)他去了南京了他去了南京了 has gone tohave been to Has your father been to England?He has gone to Nanjing.4.瞬间动词不能与瞬间动词不能与 for,since,how long 连用连用Eg:buy(bought)-have/has had 买买 borrow(borrowed)-have/has kept 借借 die (died)-have/has been dead 死死 leave(left)-have

5、/has been away(from)离开离开 begin(began)-have/has been on 开始开始 join (joined)-have/has been in 参加参加 -have/has been a(party)member go(went)-have/has been there/in 去去 come(came)/arrive-have/has been here/in 来来/到达到达 Eg:I _ the book for a day.A.bought B.have bought C.have had His father _ since 1999.A.died

6、B.has dead C.has been deadC C(1)这辆单车他买了三年了这辆单车他买了三年了 He _ the bike _ three years(2)这本字典我借了一星期了这本字典我借了一星期了 I _ the dictionary _ a week ago(3)这只狗死了一个半小时了这只狗死了一个半小时了 The dog _ half an hour(4)他爷爷离开家乡他爷爷离开家乡20年了年了 His grandpa _the hometown _20 years ago(5)我父亲入党我父亲入党10年了年了 My father _ the party _ ten year

7、s.(6)会议开始会议开始5分钟了分钟了 The meeting _ five minutes(7)我叔叔去北京两天了我叔叔去北京两天了 My uncle _ Beijing _ two days(8)我感冒一天了我感冒一天了 I _ for a day has had for have kept since has been dead for has been away from since has been in for has been on for has been in for I have had a cold 过去完成时过去完成时1、用法：表示在过去某个时间之前已经完成的动作或、

8、用法：表示在过去某个时间之前已经完成的动作或 状态，即过去的过去。状态，即过去的过去。2、标志词：、标志词：by the time，by the end of last week，when，before,after3、构成：、构成：肯定式：主肯定式：主+had+动词的过去分词动词的过去分词（-ed）否定式：主否定式：主+hadnt+动词动词-ed 疑问式：疑问式：Had+主主+动词动词-ed？如：如：We had cleaned the room when the teacher came in.Had you learned Unit 6 by the end of last week?1.

9、By the time he _ his work,I had gone home.A.had finished B.is finishing C.finished D.finishes 2.I _ him already,when I was 15 years old.A.know B.had known C.knew D.have known 3.When he got to school,he realized he _his book at home.A.left B.has left C.had left D.had forgotten4.By the time he arrived

10、 home,his mother _(cook)5.We _ nine units by the end of last week.(study 6.The film _(begin)when they _(arrive)at the cinema.7.When I got home,My father _.(leave)8.By the time the teacher got into the class,the student_(clean)the classroom.A B C had cooked had learned had begun arrived had left had cleaned