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1、现在完成时及其考点,一、现在完成时的结构:,(助动词)have/has+过去分词,二、现在完成时的用法: .“完成法”:表示过去发生或已经完成的某一动作对现在造成的影响或结果。,标志性词:already、 never、 ever、just、 yet 、before 、 so far等。,.“未完成法”:表示动作或状态从过去已经开始,持续到现在并有可能延续到将来。,时间状语:for一段时间;since过去点时间。,三、现在完成时的各种句式:,.陈述句:主语 have/has+过去分词其他成分。,.否定句:主语have/has+not+过去分词其他成分。,3.一般疑问句:Have/Has+主语过去

2、分词其他成分?,4.特殊疑问句:特殊疑问词have/has其他成分?,5.反意疑问句:借助于助动词have/has来完成反意疑问句。,例如:They have lived that village for ten years, havent they ? Li Lei has never read this book, has he ?,四、正确运用have/has been to, have/has gone to,和have/has been in 三种结构。,. have/has been to表示“过去曾去过某地”,但现在已经回来了。,. have/has gone to表示“已去了某

3、地”,现在还没有回来。,. have/has been in 表示“已在某地(呆了多久)”,如果是小地方用at代替in。,四、中考考点:,考点一:考查基本概念 例如: Both his parents look sad . Maybe they _whats happened to him . . knew . have known . must know .will know,简析:现在完成时主要强调过去发生的动作对现在造成的影响,或过去发生的动作还未结束,一直持续到现在或将来,重点在于对现在的影响。这种考查难度较大,往往无时间状语,需要从上下文分析、推理才行。故上两侧根据上下文分析、推理,

4、正确答案是。,考点二:考查时间状语 例1. He has _ been to Shanghai , has he ? . already .never .ever . still 例2. Have you met Mr Li _? . just . ago .before . a moment ago 例3. The famous writer _ one new book in the past two year . . is writing .was writing .wrote .has written,例4.Our country _ a lot so far . Yes . I ho

5、pe it will be even _ . . has changed ; well . changed ; good . has changed ; better . changed ; better 例5. Zhao Lan _already _in this school for two years . . was ; studying . will ; study . has ; studied . are ; studying 例6. We _ Xiao Li since she was a little girl . . know . had known . have known

6、 . knew 例7. Harry Potter is a very nice film .I_ it twice . . will see . have seen . saw .see,简析:现在完成时的时间状语常有如下四类: 现在完成时常与already(已经),just(刚刚,正好),ever(曾经),never(从来,也不;从不),before(以前),yet(仍然)等连用。 现在完成时常与recently(近来),so far(到目前为止),in the past/“last + 一段时间”等时间状语连用。因为上述短语表示的是从现在起往前推算的一段时间,句中的动作是从过去某一时间或时

7、刻开始持续到现在的。 现在完成时时常与“for +时间段或since +过去时间点”连用(含从句,从句过去时)。 现在完成时还与once(一次),twice(两次),three times(三次),several times(几次)等表示重复次数的词语连用。,考点三:考查与一般过去时的区别 例1.These farmers have been to the United States . Really ? When _ there ? . will they go . did they go . do they go . have they gone 例2._ you _ your homew

8、ork yet ? Yes . I _ it a moment ago . . Did ; do ; finished B.Have ; done ; finished . Have ; done ; have finished . will ; do ; finish,简析:现在完成时与一般过去时容易混淆,就是因为它们所表示的动作都发生在过去,但二者又有区别:一般过去时表示过去某个时间发生的事、存在的状态或经常发生的动作,说话的侧重点在于陈述一件过去的事情,与现在没有关系;现在完成时表示与现在有关系的发生在过去的动作,它不与表示过去的时间状语(如yesterday , last week ,

9、 a moment ago等)连用。故例、的正确答案皆为B。,B,B,考点四:考查非延续性动词的用法 例1. His father _ the Party since 1978 . . joined . has joined . was in . has been in 例2.Do you know him well ? Sure .We _ friends since ten years ago . . were . have been . have become . have made 例3.How long have you _ here ? About two months . . b

10、een . gone . come . arrived,例4. Hurry up! The play _ for ten minutes . . has begun . had begun . has been on . began 例5. His uncle died two years ago .(改变句子,句意不变) His uncle has _ _ _ for two years 例6. Her mother has been a Party member for three years .(同义句) Her mother _ the Party three years _ . 例7

11、. It _ ten years since he left the army . . is . has . will . was,D,B,A,C,been dead,joined ago,A,简析:现在完成时中,非延续性动词不能与for和since引导的表示一段时间的状语连用,通常是用相应的延续性动词来代替。常用的非延续性动词及替代形式如下: closebe closed, put onwear , openbe open get upbe up, finish/endbe over , losebe lost , marrybe married(to), get to know know

12、fall asleep/ go to sleep be asleep ( sleep ) , come/arrivebe here/in , come/get backbe back , go/leave-be away , become be , borrow keep , buyhave , begin/startbe on , diebe dead , joinbe in/be a ember of , catch a cold have a cold等,,考点五:考查词组have/has been in / to与have/has gone to的区别 例1. Miss Green isnt in the office . she_ to the library . .has gone . went .will go . has been 例2. My parents _ Shandong for ten years . . have been in . have been to . have gone t

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