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《thepresentperfecttense》由會(huì)員上傳分享，免費(fèi)在線閱讀，更多相關(guān)內(nèi)容在教育資源-天天文庫(kù)。
1、Thepresentperfecttense現(xiàn)在完成時(shí)1.基本結(jié)構(gòu)Thepresentperfecttensehave/has+done助動(dòng)詞（可以幫助構(gòu)成肯定、否定和疑問(wèn)句）肯定式否定式I/You/We/Theyhavefinishedthework.He/She/Ithasfinishedthework.I/You/We/Theyhavenotfinishedthework.He/She/Ithasnotfinishedthework.注：have(助動(dòng)詞)+donehas(第三人稱單數(shù)助動(dòng)詞)+doneP
2、resentPerfectTense疑問(wèn)式回答HaveI/youfinishedthework?Hashe/shefinishedthework?Yes,you/Ihave.No,you/Ihaven’t.Yes,he/shehas.No,he/shehasn’t.havenot常縮略為haven’t。hasnot常縮略為hasn’t。Heisfull.Theboyhashadabigbreakfast.1.表示過(guò)去發(fā)生或已經(jīng)完成的動(dòng)作對(duì)現(xiàn)在產(chǎn)生影響。2.基本功能：IhavelearnedEnglishforf
3、iveyears2.過(guò)去某一時(shí)間點(diǎn)發(fā)生的動(dòng)作持續(xù)到現(xiàn)在或還將持續(xù)下去。WhatarethekeywordsforthePresentPerfectTense?3.Brain-StormA:______yourbrother______hishomeworkyet?(finish)B:Yes,he‘salreadydoneit.KeywordsHasfinishedyetalready注意：already用于肯定句，yet用于疑問(wèn)句和否定句中A:_______youever_______tothepark?(be
4、)B:No,never.KeywordsHavebeenyetalreadyevernever注意：ever曾經(jīng)用于疑問(wèn)句中never從不帶有否定意義I______just________thedesk,youcantakeittoyourclassroom.(repair)KeywordshaverepairedyeteverneverjustalreadyJust剛剛與現(xiàn)在完成時(shí)連用一般置句中Justnow剛才與一般過(guò)去時(shí)連用Tom___________inthefactorysinceheleftscho
5、oltenyearsago.(work)Keywordshasworkedyeteverneversincealreadysince后面帶過(guò)去時(shí)間或有一般過(guò)去時(shí)的句子A:Howlong______you________inthisschool?(teach)B:For6years.Keywordshavetaughtyeteverneversinceforalready+一段時(shí)間We_______only____________100treessofar.(plant)Keywordshaveplantedye
6、teverneversinceforjustalreadysofar到目前為止Someverbscan'toftenbeusedwith"for"or"since"Hehasboughtthebook.Hehasboughtthebookforaweek.Hehashadthebookforaweek.buyhavecome/go/gettobeinjoinbeinbea…memberleavebeawayborrowkeepbeginbeonfinishbeoverdiebedeadmarrybemarrie
7、dPleasepointoutanymistakesandcorrectShehasboughtthecomputerfortwoyears.hadbuyhave/hashadPleasepointoutanymistakesandcorrectHowlonghaveyoucometotheUnitedStates？beenincometohave/hasbeeninbuyhave/hashadPleasepointoutanymistakesandcorrectAnnhasgonetoChinasinceth
8、reemonthsago.beenincometohave/hasbeeninbuyhave/hashadgotohave/hasbeeninPleasepointoutanymistakesandcorrectMybrotherhasjoinedthearmyforfiveyears.beeninbeenasoldiercometohave/hasbeeninbuyhave/hash
