初中英语语法复习——现在完成时课件.ppt

,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,The present perfect tense,现在完成时,概念,基本结构,基本句型变化（一般疑问句，否定句，特殊疑问句）,关键词（,already,yet,since,for,so far,just,）,He,is full,.,He,has had,a big breakfast.,1.,过去某一时间点发生的动作对现在产生影响。,功能：,I,have learned,English for ten years,2.,过去某一时间点发生的动作持续 到现在或还将持续下去。,基本结构,The present perfect tense,have/has+done,助动词（可以帮助构成肯定、疑问和否定句）,过去分词,见书,P120,1.He has cleaned his room.,(,写一个一般疑问句）,Has,he,cleaned his room?,2.They have come back from work.,(,写否定句）,They,havent,come back from work.,4.He has been to China,_ _?,（写出反义疑问句部分）,hasnt he,3.She has lived in London,for four years.,(,划线部分提问）,How long,has,she,lived in London?,What are the,key words,for the Present Perfect Tense?,A:_ your brother _ his homework yet?(finish),B:Yes,he s already done it.,Key,words,Has finished,yet,already,注意：,already,用于肯定句，,yet,用于疑问句和否定句中,A:_ you ever _ to the park?(be),B:No,never.,Key,words,Have been,yet,already,ever,never,注意：,ever,曾经 用于疑问句中,never,从不 带有否定意义,I _ just _ the desk,you can take it to your classroom.(mend),Key,words,have mended,yet,ever,never,just,already,Just,刚刚 与现在完成时连用 一般置句中,Just now,刚才 与一般过去时连用,Tom _ in the factory since he left school ten years ago.(work),Key,words,has worked,yet,ever,never,since,already,since,后面带,过去时间,或,有一般过去时,的句子,A:How long _ you _ in this school?(teach),B:For 6 years.,Key,words,have taught,yet,ever,never,since,for,already,+,一段时间,We _ only _ 100 trees so far.(answer),Key,words,have planted,yet,ever,never,since,for,just,already,so far,到目前为止,Key,words,yet,ever,never,since,for,just,before,already,so far,in the past 10 years,twice,也可以是其他表示次数的词,how long,Some verbs cant often be used with for or since,He has bought the book.,He has bought the book for a week.,He has had the book for a week.,buy,have,come/go/get to,be,in,join,be,in,be a member,leave,be,away,borrow,keep,begin,be,on,finish,be,over,die,be,dead,return,be,back,Please point out any mistakes and correct,She has bought the computer for two years.,had,buy,have/has,had,Please point out any mistakes and correct,How long have you come to the United States？,been in,come to,have/has,been in,buy,have/has,had,Please point out any mistakes and correct,Ann has gone to China since three months ago.,been in,come to,have/has,been in,buy,have/has,had,go to,have/has,been in,Please point out any mistakes and correct,My brother has joined the army for five years.,been in,been a soldier,come to,have/has,been in,buy,have/has,had,go to,have/has,been in,got to,have/has,been in,join,have/has,been in,have/has,been a soldier,Please point out any mistakes and correct,I have left Shanghai for 3 days.,been,away,come to,have/has,been in,buy,have/has,had,go to,have/has,been in,got to,have/has,been in,join,have/has,been in,have/has,been a soldier,leave,have/has,been away,Please point out any mistakes and correct,I have borrowed the dictionary since 3 days ago.,kept,come to,have/has,been in,buy,have/has,had,go to,have/has,been in,got to,have/has,been in,join,have/has,been in,have/has,been a soldier,leave,have/has,been away,borrow,have/has,kept,Please point out any mistakes and correct,The film has begun for 10 minutes.,been on,come to,have/has,been in,buy,have/has,had,go to,have/has,been in,got to,have/has,been in,join,have/has,been in,have/has,been a soldier,leave,have/has,been away,borrow,have/has,kept,begin,have/has,been on,Please point out any mistakes and correct,The concert has finished for half an hour.,been over,come to,have/has,been in,buy,have/has,had,go to,have/has,been in,got to,have/has,been in,join,have/has,been in,have/has,been a soldier,leave,have/has,been away,borrow,have/has,kept,begin,have/has,been on,finish,have/has,been over,Please point out any mistakes and correct,His dog has died for two years.,been dead,come to,have/has,been in,buy,have/has,had,go to,have/has,been in,got to,have/has,been in,join,have/has,been in,have/has,been a soldier,leave,have/has,been away,borrow,have/has,kept,begin,have/has,been on,finish,have/has,been over,die,have/has,been dead,can you distinguish?,have,been to,have,gone to,have been in,去过某地已经回来,常与,ever,never,once,twice,连用,一直留在某地,与,for/since,连用,用,how long,提问,去了某地,还没回来,只用于第三人称,Her sister _ Australia,She left this morning.,has gone to,can you distinguish?,have/has,been to,have/has,gone to,have/has,been in,去过,常与,ever,never,once,twice,连用,在,与时间段连用,用,how long,提问,去了,说话时某人不在,只用于第三人称,A:Where is Bob?,B:He _ Japan with,his sister.,has gone to,can you distinguish?,have/has,been to,have/has,gone to,have/has,been in,去过,常与,ever,never,once,twice,连用,在,与时间段连用,用,how long,提问,去了,说话时某人不在,只用于第三人称,A:How long _ you _ China?,B:I _ here for 3 years,.,have been,have been in,can you distinguish?,have/has,been to,have/has,gone to,have/has,been in,去过,常与,ever,never,once,twice,连用,在,与时间段连用,用,how long,提问,去了,说话时某人不在,只用于第三人称,A:_ you ever _ the city?,B:No,never.,Have been to,The past tense or the present perfect tense,We _ each other since childhood.,We _ each other when we were young.,know,have,known,knew,The past tense or the present perfect tense,I _ him just now.,(see),I _ just _ my pen.(lose),saw,have,lost,The past tense or the present perfect tense,How long _ you _,in the United states?(live),When _ you _ here?(move),have,did,move,lived,The past tense or the present perfect tense,A:When_ you _ the film?,B:I _ it two months ago.(see),The writer _ several story-books since 5 years ago.(write),did,has,written,see,saw,