1、过去分词的构成过去分词的构成上一页下一页 Typeoriginal p.t p.pcutcutcuthit(撞击撞击)hithitcostcostcosthurthurthurtPut(放放)putputreadreadreadAAA主菜单meetmetmetkeepkeptkeptmakemademadebringbroughtbroughtbuyboughtboughtthinkthoughtthoughtteachtaughttaughttelltoldtoldlendlentlentspendspentspentfindfoundfoundhearheardheardbuildbuil
2、tbuiltABBbeginbeganbegunsingsangsungdrinkdrankdrunkswimswamswumspeakspokespokenchoosechosechosenknowknewknownforgetforgotforgottenbreakbrokebrokendrivedrovedrivengivegavegiveneatateeatenwritewrotewrittenABCseesawseengowentgonetaketooktakenrideroderiddenwakewokewakengrowgrewgrowndrawdrewdrawnhidehidh
3、iddenABCpresent(now)futurepast 现在完成时现在完成时(present perfect tense)do my homework 现在完成时现在完成时have/has+done 助动词助动词（可以帮助（可以帮助构成肯定、疑问和构成肯定、疑问和否定句）否定句）1.He has cleaned his room.(写一个一般疑问句）写一个一般疑问句）Has he cleaned his room?2.She has lived in London for four years.(划线部分提问）划线部分提问）How long has she lived in London
4、?3.He has been to China,_ _?（写出反义疑问句部分）（写出反义疑问句部分）hasnt he 4.They have come back from work.(写否定句）写否定句）They havent come back from work.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。过去某一时间点发生的动作对现在产生影响。功能：功能：2.过去某一时间点发生的动作持续过去某一时间点发生的动作持续 到现在或还将持续下去。到现在或还将持续下去。What are the key words for
5、the Present Perfect Tense?A:_ your brother _ his homework yet?(finish)B:Yes,he s already done it.Has finished yet already 注意：注意：already 用于肯定句，用于肯定句，yet 用于疑问句和否定句中用于疑问句和否定句中A:_ you ever _ to the park?(be)B:No,never.Have been yet already ever never 注意：注意：ever 曾经曾经 用于疑问句中用于疑问句中 never 从不从不 带有否定意义带有否定意义I
6、 _ just _ the desk,you can take it to your classroom.(mend)have mended yet ever never just already Just 刚刚刚刚 与现在完成时连用与现在完成时连用 一般置句中一般置句中Just now 刚才刚才 与一般过去时连用与一般过去时连用Tom _ in the factory since he left school ten years ago.(work)has worked yet ever never since already since 后面带后面带过去时间过去时间或或有一般过去时有一般过
7、去时的句子的句子A:How long _ you _ in this school?(teach)B:For 6 years.have taught yet ever never since for already +一段时间一段时间We _ only _ 100 trees so far.(answer)have planted yet ever never since for just already so far 到目前为止到目前为止 yet ever never since for just before already so far in the past 10 years twic
8、e 也可以是其他表示次数的词也可以是其他表示次数的词how longsince:(自自以来以来)1)since+时间点时间点He has stayed here since 5 oclock.2)since+时间段时间段+agoHe has stayed here since 5 hours ago.3)since+从句从句She has taught English since he came here.for:(长达）长达）for+时间段时间段He has kept the book for 2 weeks.since,for 的用法的用法:Take notes 用for 或since填空
9、1.Mr.Brown has had his TV _ 15 years.2.Ive taken driving lessons _ last month.3.My sister has had her cell phone _ a month.4.My friends havent visited me _ my birthday.5.We havent used our car _ a long time.6.She hasnt had a good cup of coffee _ years.7.Tom has worn glasses _ he was 7 years old.fors
10、inceforsinceforforsince实义动词分为:1)瞬间动词 2)延续动词 瞬间动词瞬间动词joinbegin/startborrowfinish/endarrive/comeleavediebuy注意注意:瞬间动词不能和瞬间动词不能和时间段时间段连用连用.He has bought the book.He has bought the book for a week.He has had the book for a week.buyhavecome/go/get tobe injoin be inbe a memberleave be away borrow keep begi
11、n be on finish be over die be dead reture be back She has bought the computer for two years.hadbuyhave/has hadHow long have you come to the United States？been income tohave/has been inbuyhave/has hadAnn has gone to China since three months ago.been income tohave/has been inbuyhave/has hadgo tohave/h
12、as been inMy brother has joined the army for five years.been inbeen a soldier come tohave/has been inbuyhave/has hadgo tohave/has been ingot tohave/has been injoin have/has been inhave/has been a soldier I have left Shanghai for 3 days.been away for 3 e tohave/has been inbuyhave/has hadgo tohave/has
13、 been ingot tohave/has been injoin have/has been inhave/has been a soldier leave have/has been away I have borrowed the dictionary since 3 days ago.kept come tohave/has been inbuyhave/has hadgo tohave/has been ingot tohave/has been injoin have/has been inhave/has been a soldier leave have/has been a
14、way borrow have/has kept The film has begun for 10 minutes.been on come tohave/has been inbuyhave/has hadgo tohave/has been ingot tohave/has been injoin have/has been inhave/has been a soldier leave have/has been away borrow have/has kept begin have/has been on The concert has finished for half an h
15、our.been over come tohave/has been inbuyhave/has hadgo tohave/has been ingot tohave/has been injoin have/has been inhave/has been a soldier leave have/has been away borrow have/has kept begin have/has been on finish have/has been over His dog has died for two years.been dead come tohave/has been inb
16、uyhave/has hadgo tohave/has been ingot tohave/has been injoin have/has been inhave/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 只用于第三人称只用于第三人称 Sam got sick two days ago.Sam has been sick for two days.Sherry g
17、ot her drivers license(执照执照)in 1999.Sherry has had her drivers license since(自从自从)1999.Arnold started to play tennis in Jan.Arnold has played tennis since Jan.Maggie moved to Hawaii in 1996.Maggie has lived in Hawaii for about 8 years.have known knew saw have lost have did move lived did has finished see saw
