2023學(xué)年完整公開課版【語(yǔ)法】介詞forsince

介詞for,sinceLead-in

since與for共同點(diǎn)：都用于現(xiàn)在完成時(shí)態(tài)中；區(qū)別：1.since：自從……起；

for:（持續(xù)了多長(zhǎng)時(shí)間）

2.后面所跟的時(shí)間不同

Presentation

區(qū)分：時(shí)間點(diǎn)和時(shí)間段

5:305years3minutes2002May5th2months時(shí)間點(diǎn)：

時(shí)間段：

5:302002May5th5years3minutes2monthsPresentationsince與for都用于現(xiàn)在完成時(shí)態(tài)中，since后面加時(shí)間點(diǎn)；for后面加時(shí)間段；如：since1989/twoyearsago；for20years；for后面不能加ago；

since用來(lái)說(shuō)明動(dòng)作起始時(shí)間，for用來(lái)說(shuō)明動(dòng)作延續(xù)時(shí)間長(zhǎng)度。Presentation例如：Hehasbeendeadforthreeyears.

時(shí)間段

Hehasbeendeadsincethreeyearsago.

時(shí)間點(diǎn)

HehasstudiedEnglishsince2003.

時(shí)間點(diǎn)HehasstudiedEnglishsincehewastenyearsago.

時(shí)間點(diǎn)（句子）Presentationfor+時(shí)間段，表示持續(xù)了多久。Ihavebeenateacherfor10yeras.

時(shí)間段since+過(guò)去的某個(gè)時(shí)間點(diǎn)，表示自從……時(shí)候起。Ihavebeenateachersince2010.

時(shí)間點(diǎn)IhavebeenateachersinceheleftZhuzhou.

時(shí)間點(diǎn)（句子）PresentationFindoutthesentencesaboutforandsinceonPage16.1.Shehasbeenateachersince1997.since+

時(shí)間點(diǎn)2.Shehasbeenateacherforquiteafewyears.for+時(shí)間段3.Hehasbeenapolicemanfortwelveyears.for+時(shí)間段Presentation4.Shehasbeenanarchitectfortenyears.for+時(shí)間段5.Myfatherhasbeenanengineersince2004.since+時(shí)間點(diǎn)6.Hehasbeenanengineerforseveralyears.

for+時(shí)間段Presentation選用for、since填空1.Wehaven'tseeneachother______alongtime.2.Hisfatherhasbeeninthisfactory______10yearsago.3.Thefilmhasbeenon_____10minutes.4.Mr.Smithhasworkedhere________hecametoChina.5.Hisgrandpahasbeendead______severalyears.forsinceforsinceforPresentationThinkitover!Aretheyright?我買這本書3年了。Ihaveboughtthebookforthreeyears.Mary的爺爺從2010年去世至今。Mary'sgrandpahasdiedsince2010.Why?××How?Presentation區(qū)分瞬間動(dòng)詞和延續(xù)性動(dòng)詞瞬間動(dòng)詞：發(fā)生的時(shí)間短暫，不能和延續(xù)性的時(shí)間詞語(yǔ)連用。如：buy,close等。延續(xù)性動(dòng)詞：動(dòng)作可以延續(xù)，或者就是一個(gè)狀態(tài)。如：be,keep,stay等。Presentation瞬間動(dòng)詞與延續(xù)性動(dòng)詞的轉(zhuǎn)換：come/goIhavebeeninZhuzhoufor5years.buy--Ihavehadthebookfortwoweeks.borrow--Ihavekeptthebookfor3days.--be(in/at)havekeepPresentationdie--Hehasbeendeadfor1year.become--Ihavebeenateacherfor10years.marry--Theyhavebeenmarriedfor15years.open--Thedoorhasbeenopenfor3hours.bedead

bebemarriedbeopenPresentation如：1.我買這本書3年了。Ihavehadthebookforthreeyears.2.Mary的爺爺從2010年去世至今。Mary'sgrandpahasbeendeadsince2010.3.我借這本書一周了。

Ihavekeptthisbookforaweek.4.這個(gè)商店已經(jīng)關(guān)門2天了。

Thisshophasbeenclosedfortwodays.Presentation

隨堂練習(xí)1.

我借他的書有2個(gè)月了。I_________hisbook_____twomonths.I___________hisbook_______twomonthsago.2.自從10年前，

Tom已經(jīng)來(lái)了株洲。

Tom____________Zhuzhou______tenyearsago.havehadforhavehadsincehasbeeninsincePresentation3.他買這本書1年了。

He_________thebook______1year.4.從2010年起，他已經(jīng)是個(gè)有名的歌手了。

He___________afamoussinger______2010.5.他的爺爺已經(jīng)去世3年了。

Hisgrandpa__________________threeyears.Hisgrandpa_________________threeyearsago.haskeptforhasbeensincehasbeendeadforhasbeendeadsincePractice

直擊中考【2014.宜賓】Bobwithhisparents___Hongkongsincetwoyearsago.A.havebeentoB.hasbeentoC.havegonetoD.hasgoneto解析：題干意為：鮑勃與他的父母兩年前去了香港。根據(jù)句意，“去了”應(yīng)用havebeento，故答案為A.APractice【2013.瀘州】He____Luzhouforthre