1、Module 4A Social Survey My NeighbourhoodPresent(now)FuturePast现在完成时(Present Perfect Tense)Have you ever readLittle Woman?I havent read it yet.But I have had the book for ten years.And I have kept it on my bookshelf(书架）since ten years ago.3.现在完成时的用法2.一般疑问句及否定句的结构1.现在完成时的构成4.时间状语Have you ever readLitt
2、le Woman?I havent read it yet.But I have had the book for ten years.And I have kept it on my bookshelf(书架）since ten years ago.现在完成时的基本句型：肯定式：主语+have/has+过去分词.疑问式：Have/Has+主语+过去分词?否定式:主语+have/has+not+过去分词现在完成时1.表示过去发生的某一动作对现在造成的影响或结果。-Its so dark.-Someone has turned off the light.2.表示过去已经开始,持续到现在的动作或
3、状态。常与since+过去的时间点，for+一段时间，so far 等时间状语连用。I have learnt English for more than ten years.She has swum since half an hour ago.1._ you _(clean)the room?Yes,we _(do)that already.When _ you _(do)it?We _(do)it an hour ago.2._ he _(see)this film yet?Yes.When _ he _(see)it?He _ it last week.3.How many times
4、 _you_(be)there?Havecleanedhave donediddodidHasseendidseesawhavebeen与一般过去时的用法比较现在完成时和一般过去时都是说过去的事情，但现在完成时注意的不是事情本身，而是强调事情与现在保持的某种密切联系（如现在的结果，影响,一直延续到现在等）;而一般过去时，则只讲述发生在过去的动作和事情与现在没有关系。Li Hua _(study)in America for 3 years.Li Hua _(study)in America for 3 years,but he works in Beijing now.has studieds
5、tudied I saw this film yesterday.（只说明动作发生在过去。）I have seen this film.（强调对现在的影响，电影的内容已经知道了。）现在完成时的句型归纳:Its+一段时间+since(或It has been+一段时间+since)Its over nine years since Scotland won a game against England.苏格兰队已经有9年多没有在比赛中赢过英格兰队了。我们已经有20多年没见面了。Its over twenty years since we last met.his is the+形容词最高级 th
6、at+从句（从句用现在完成时）This is the best film that Ive(ever)seen.I must say that its the best model I have ever seen.It is the first/second/time that+从句（从句用现在完成时）It is the first time that I have visited the city.这是我第一次参观这个城市。翻译下列句子：1.你曾经吃过鱼和薯条吗？2.我刚刚丢了我的语文书。3.我以前从来没去过那个公园。4.他已经吃过午饭了。5.你已经看过这部电影了吗？6.我哥哥还没回来。7
7、.我自从上星期看过这部电影。8.自从1992年他住在这里。9.这本字典我已买了三年了。10.他离开中国三年了翻译下列句子：1.你曾经吃过鱼和薯条吗？2.我刚刚丢了我的语文书。3.我以前从来没去过那个公园。4.他已经吃过午饭了。5.你已经看过这部电影了吗？6.我哥哥还没回来。7.我自从上星期看过这部电影。8.自从1992年他住在这里。9.这本字典我已买了三年了。10.他离开中国三年了1.你曾经吃过鱼和薯条吗？Have you eaten fish and French fries?2.我刚刚丢了我的语文书。I have lost my Chinese book.3.我以前从来没去过那个公园。I
8、have never been to that park.4.他已经吃过午饭了。He has already had lunch.5.你已经看过这部电影了吗？Have you seen this movie yet?6.我哥哥还没回来。My brother has not returned.7.我自从上星期看过这部电影。I have seen this movie since last week.8.自从1992年他住在这里。He has lived here since 1992.9.这本字典我已买了三年了。I have had this dictionary for three years.10.他离开中国三年了He has been away China for three years.
