初中英语语法复习――现在完成时课件.ppt

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1、Thepresentperfecttense现在完成时Heisfull.Hehashadabigbreakfast.1.过去某一时间点发生的动作对现在产生影响。功能：IhavelearnedEnglishfortenyears2.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Thepresentperfecttensehave/has+done助动词（可以帮助构成肯定、疑问和否定句）1.Hehascleanedhisroom.(写一个一般疑问句）Hashecleanedhisroom?2.ShehaslivedinLo

2、ndonforfouryears.(划线部分提问）HowlonghasshelivedinLondon?3.HehasbeentoChina,________?（写出反义疑问句部分）hasn’the4.Theyhavecomebackfromwork.(写否定句）Theyhaven’tcomebackfromwork.WhatarethekeywordsforthePresentPerfectTense?A:______yourbrother______hishomeworkyet?(finish)B:Yes,he‘salread

3、ydoneit.KeywordsHasfinishedyetalready注意：already用于肯定句，yet用于疑问句和否定句中A:_______youever_______tothepark?(be)B:No,never.KeywordsHavebeenyetalreadyevernever注意：ever曾经用于疑问句中never从不带有否定意义I______just________thedesk,youcantakeittoyourclassroom.(mend)Keywordshavemendedyetevernever

4、justalreadyJust刚刚与现在完成时连用一般置句中Justnow刚才与一般过去时连用Tom___________inthefactorysinceheleftschooltenyearsago.(work)Keywordshasworkedyeteverneversincealreadysince后面带过去时间或有一般过去时的句子A:Howlong______you________inthisschool?(teach)B:For6years.Keywordshavetaughtyeteverneversincefora

5、lready+一段时间We_______only____________100treessofar.(answer)Keywordshaveplantedyeteverneversinceforjustalreadysofar到目前为止Keywordsyeteverneversinceforjustbeforealreadysofarinthepast10yearstwice也可以是其他表示次数的词howlongSomeverbscan'toftenbeusedwith"for"or"since"Hehasboughttheboo

6、k.Hehasboughtthebookforaweek.Hehashadthebookforaweek.buyhavecome/go/gettobeinjoinbeinbea…memberleavebeawayborrowkeepbeginbeonfinishbeoverdiebedeadreturnbebackPleasepointoutanymistakesandcorrectShehasboughtthecomputerfortwoyears.hadbuyhave/hashadPleasepointoutanymistak

7、esandcorrectHowlonghaveyoucometotheUnitedStates？beenincometohave/hasbeeninbuyhave/hashadPleasepointoutanymistakesandcorrectAnnhasgonetoChinasincethreemonthsago.beenincometohave/hasbeeninbuyhave/hashadgotohave/hasbeeninPleasepointoutanymistakesandcorrectMybrotherhasjoi

8、nedthearmyforfiveyears.beeninbeenasoldiercometohave/hasbeeninbuyhave/hashadgotohave/hasbeeningottohave/hasbeeninjoinhave/has