初中英语语法复习-现在完成时课件.ppt
n概念n基本结构n基本句型变化(一般疑问句,否定句,特殊疑问句)n关键词(already,yet,since,for,so far,just,)He is full.He has had a big breakfast.I I have learnedhave learned English for ten years English for ten years基本结构基本结构基本结构基本结构have/has+done 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 Key wordswordsHas finished yet already A:_ you ever _ to the park?(be)B:No,never.Key Key wordswordsHave been yet already ever never I _ just _ the desk,you can take it to your classroom.(mend)Key Key wordswordshave mended yet ever never just already Tom _ in the factory since he left school ten years ago.(work)Key Key wordswordshas worked yet ever never since already A:How long _ you _ in this school?(teach)B:For 6 years.Key Key wordswordshave taught yet ever never since for already We _ only _ 100 trees so far.(answer)Key Key wordswords have planted yet ever never since for just already so far Key Key wordswords yet ever never since for just before already so far in the past 10 years twice how long buyhavecome/go/get tobe injoin be inbe a memberleave be away borrow keep begin be on finish be over die be dead return 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 in buyhave/has hadAnn has gone to China since three months ago.been income tohave/has been inbuyhave/has hadgo tohave/has 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 awaycome 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 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 away 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 hour.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 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 die have/has been dead have have been tobeen to havehave gone togone to have been inhave been in去过某地已经回来去过某地已经回来去过某地已经回来去过某地已经回来常与常与ever,never,ever,never,once,twice,once,twice,连用连用 一直留在某地一直留在某地一直留在某地一直留在某地与与for/sincefor/since连用连用用用how long how long 提问提问去了某地去了某地去了某地去了某地还没回来还没回来还没回来还没回来只用于第三人称只用于第三人称 Her sister _ Australia,She left this morning.has gone tohas gone to have/has have/has been tobeen to have/has have/has gone togone to have/has have/has been inbeen in去过去过去过去过常与常与ever,never,ever,never,once,twice,once,twice,连用连用 在在在在与时间段连用与时间段连用用用how long how long 提问提问去了去了去了去了说话时某人不在说话时某人不在只用于第三人称只用于第三人称 A:Where is Bob?B:He _ Japan with his sister.has gone tohas gone to have/has have/has been tobeen to have/has have/has gone togone to have/has have/has been inbeen in去过去过去过去过常与常与ever,never,ever,never,once,twice,once,twice,连用连用 在在在在与时间段连用与时间段连用用用how long how long 提问提问去了去了去了去了说话时某人不在说话时某人不在只用于第三人称只用于第三人称 A:How long _ you _ China?B:I _ here for 3 years.have been have been have been in have been in have/has have/has been tobeen to have/has have/has gone togone to have/has have/has been inbeen in去过去过去过去过常与常与ever,never,ever,never,once,twice,once,twice,连用连用 在在在在与时间段连用与时间段连用用用how long how long 提问提问去了去了去了去了说话时某人不在说话时某人不在只用于第三人称只用于第三人称 A:_ you ever _ the city?B:No,never.Have been to Have been to know know have known knew saw have lost have did move lived did has written see saw