现在完成时用--ppt课件.ppt

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1、Thepresentperfecttense现在完成时1ppt课件Heisfull.Hehashadabigbreakfast.1.过去某一时间点发生的动作对现在产生影响。功能：2ppt课件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。3ppt课件基本结构Thepresentperfecttensehave/has+done助动词（可以帮助构成肯定、疑问和否定句）4ppt课件1.Hehascleanedhisroom.(写一个一般疑

2、问句）Hashecleanedhisroom?2.ShehaslivedinLondonforfouryears.(划线部分提问）HowlonghasshelivedinLondon?5ppt课件3.HehasbeentoChina,________?（写出反义疑问句部分）hasn’the4.Theyhavecomebackfromwork.(写否定句）Theyhaven’tcomebackfromwork.6ppt课件WhatarethekeywordsforthePresentPerfectTe

3、nse?7ppt课件A:______yourbrother______hishomeworkyet?(finish)B:Yes,he‘salreadydoneit.KeywordsHasfinishedyetalready注意：already用于肯定句，yet用于疑问句和否定句中8ppt课件A:_______youever_______tothepark?(be)B:No,never.KeywordsHavebeenyetalreadyevernever注意：ever曾经用于疑问句中never从不带

4、有否定意义9ppt课件I______just________thedesk,youcantakeittoyourclassroom.(mend)KeywordshavemendedyeteverneverjustalreadyJust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10ppt课件Tom___________inthefactorysinceheleftschooltenyearsago.(work)Keywordshasworkedyeteverneversincea

5、lreadysince后面带过去时间或有一般过去时的句子11ppt课件A:Howlong______you________inthisschool?(teach)B:For6years.Keywordshavetaughtyeteverneversinceforalready+一段时间12ppt课件We_______only____________100treessofar.(answer)Keywordshaveplantedyeteverneversinceforjustalreadysofar

6、到目前为止13ppt课件Keywordsyeteverneversinceforjustbeforealreadysofarinthepast10yearstwice也可以是其他表示次数的词howlong14ppt课件Someverbscan'toftenbeusedwith"for"or"since"Hehasboughtthebook.Hehasboughtthebookforaweek.Hehashadthebookforaweek.buyhavecome/go/gettobeinjoinbe

7、inbea…memberleavebeawayborrowkeepbeginbeonfinishbeoverdiebedeadreturebeback15ppt课件PleasepointoutanymistakesandcorrectShehasboughtthecomputerfortwoyears.hadbuyhave/hashad16ppt课件PleasepointoutanymistakesandcorrectHowlonghaveyoucometotheUnitedStates？beeni

8、ncometohave/hasbeeninbuyhave/hashad17ppt课件PleasepointoutanymistakesandcorrectAnnhasgonetoChinasincethreemonthsago.beenincometohave/hasbeeninbuyhave/hashadgotohave/hasbeenin18ppt课件PleasepointoutanymistakesandcorrectMybrotherhasjoinedthea