1、Have you ever been to Hainan Island?Yes,I have./No,I havent./No,never.1.过去发生的动作对现在产生了影响。过去发生的动作对现在产生了影响。例如：我已经完成我的家庭作业了。例如：我已经完成我的家庭作业了。I have finished my homework.2.动作从过去一直持续到现在。动作从过去一直持续到现在。例如：从那以后，那个男孩就一直住在那里。例如：从那以后，那个男孩就一直住在那里。The boy has lived there since then.Have/has+动词的过去分词动词的过去分词 例如：例如：1.M
2、y hometown has become better and better.2.Those students have passed the exam.过去分词过去分词过去分词过去分词Exercise写出下列动词的过去分词：写出下列动词的过去分词：likecrystaylearnshopfinishcookarrivelikedcriedstayedlearnedshoppedfinishedcookedarrived当当since和和for用于现在完成时态时，谓语动词应用延续性动词，短暂用于现在完成时态时，谓语动词应用延续性动词，短暂性动词要变为相应的延续性。例如：性动词要变为相应的延续
3、性。例如：buyhave,borrowkeep等。等。例如：例如：这本书我买了这本书我买了3天了。天了。I have had the book for 3 days.I have had the book since three days ago.自从自从2009年以来，我就一直居住在这座城市。年以来，我就一直居住在这座城市。I have lived in this city since 2009.自从他毕业以后他就离开了家乡。自从他毕业以后他就离开了家乡。He has been away from his hometown since he graduated from school.For
4、+_Since+时间点时间段+ago从句时间段注意：注意：since后跟从句时，从句用一般过去时，后跟从句时，从句用一般过去时，且动词用短暂性且动词用短暂性。1.I _(lose)my pen._ you _(see)it anywhere?I cant find it.2.The Smiths _ Beijing for years.(live)3.-_you _(be)to Hong Kong?-Yes,I _(be)there twice.4.So far she _(make)quite a few friends here.5.I _(work)here since my grand
5、father _(die).6.Lily自从自从5年前就来到了中国。年前就来到了中国。Lily has been in China since 5 years ago/for 5 years.have lostHaveseenhave lived inHavebeenhave beenhas madehave workeddied7.A:Wheres Jim,Li Lei?B:He _his school library.8.The Greens _China for three years.9.We _the Great Wall twice.Its very beautiful.has g
6、one tohave been inhave been to她曾经去过上海。She has _ _Shanghai before.他在上海10年了。He has _ _ Shanghai for ten years 他去上海了。他去上海了。He has _ _Shanghai.been been gone to in to()1.I have_ watered them.A.already B.yet C.never D.ever()2.Have they started their homework _?A.already B.yet C.just D.ever()3.He has work
7、ed this school _3 years A.for B.since C.just D.ever()4.I have studied English _3 years ago.A.for B.since C.just D.ever()5.Have you _been on a beach vacation?A.already B.yet C.just D.everABAD B1.1.现在完成时动词构成现在完成时动词构成:2.2.标志词标志词:3.have/has been to have/has gone to 3.have/has been to have/has gone to have/has been inhave/has been inhave/has+动词过去分词动词过去分词already never ever yet since for summaryThank you!
