外研版英语八年级下册 Module 4Unit 3 Language in use[1]课件.pptx

Module4

Unit3Languageinuse

Ihaven’tdonemuchexercisesinceIgotmycomputerlastyear.Ihavehadhimforthreemonthsnow.Sincethen,ithasbecomepartofmylife.现在完成时（三）

现在完成时表示在以前某个时间已经发生的行为或曾经做过的事情对目前有某种影响或结果(这种影响或结果现在还存在)。Wehaveseenthefilmtwoweeksbefore.Ihavetoldhimthebadnews.过去看了电影，并且了解电影内容过去告诉他坏消息，并且他已经知道了消息内容

现在完成时可以用来表示发生在过去某一时刻的,持续到现在的动作(用行为动词表示)或状态(be动词表示)。Myunclehasworkedinthefactoryforthreeyears.Hehasbeenillforaboutthreedays!用法三年前到现在一直在这个工厂三天前到现在一直在生病

1.这类句子通常包含由for或since引导的时间状语（从句），for后接段时间，since后接时间点。IhavelivedinBeijingfor10years.Ihavebeeninthisschoolsince2000.Sincethen,Wehavebecomefriends.注意事项

2.用howlong对现在完成时的时间状语提问。IhavelivedinBeijingfor10years.HowlonghaveyoulivedinBeijing?Ihavebeeninthisschoolsince2000.Howlonghaveyoubeeninthisschool?注意事项

3.在现在完成时的句子中,终止性动词一般不能与表示延续的时间状语连用。汤姆已经来了两小时了。()Tomhascomefortwohours.()Tomhasbeenherefortwohours.╳√注意事项

拓展终止性动词与延续性动词如何转换(1)转化为“be+形容词/副词等”。die→bedeadleave→beaway(from)open/close→beopen/closedstop→beoverarrivein(at)/reach/getto→bein/atjoin→beamemberof/beinstart/begin→beon

Theyhaveleftfortwoyears.Theyhavebeenawayfortwoyears.Ihavearrivedatthistownforalongtime.Ihavebeenatthistownforalongtime.Mybrotherhasjoinedthearmysincelastyear.Mybrotherhasbeeninthearmysincelastyear.

拓展终止性动词与延续性动词如何转换(2)转化为意思相同的延续性动词。borrow→keepbuy→have/ownbecome/come→begettoknow→knowputon→wear/beon

Ihaveboughtthenewbikeforamonth.Ihavehadthenewbikeforamonth.Hehasborrowedthisbooksincelastweek.Hehaskeptthisbooksincelastweek.Thegirlhascometothecityforthreeyears.Thegirlhasbeeninthecityforthreeyears.

1.HerparentscametoChinafiveyearsago.Herparents_______________Chinasincefiveyearsago.2.Susanboughtthiscoattwodaysago.Susan___________the