【語(yǔ)法】M4U7-原因狀語(yǔ)從句及because-of-的用法課件

原因狀語(yǔ)從句及becauseof的用法原因狀語(yǔ)從句及becauseof的用法狀語(yǔ)從句主要用來(lái)修飾主句或主句的謂語(yǔ)。狀語(yǔ)從句時(shí)間狀語(yǔ)從句地點(diǎn)狀語(yǔ)從句原因狀語(yǔ)從句目的狀語(yǔ)從句結(jié)果狀語(yǔ)從句條件狀語(yǔ)從句讓步狀語(yǔ)從句比較和方式狀語(yǔ)從句Lead-in狀語(yǔ)從句主要用來(lái)修飾主句或主句的謂語(yǔ)。狀語(yǔ)從句時(shí)間狀語(yǔ)從句地Lead-inWhywastheteacherangry?Becausethegirlwaslateforclass.Lead-inWhywastheteacherangLead-inTheteacherwasangrybecausethegirlwaslateforclass.原因狀語(yǔ)從句主句Lead-inTheteacherwasangrybPresentation引導(dǎo)原因狀語(yǔ)從句的從屬連詞主要的有because,as,since。原因狀語(yǔ)從句是用來(lái)說(shuō)明引起主句這個(gè)結(jié)果的原因的從句。Presentation引導(dǎo)原因狀語(yǔ)從句的從屬連詞主要的原因Presentation指出句子的主句和原因狀語(yǔ)從句。Irefusetobelieveyoubecausenooneelsesawthesealiens.Irefusetobelieveyouasnooneelsesawthesealiens.Irefusetobelieveyousincenooneelsesawthesealiens.主句原因狀語(yǔ)從句Presentation指出句子的主句和原因狀語(yǔ)從句。IrPresentationBecauseAsSincenooneelsesawthesealiens,Irefusetobelieveyou.觀察一下句子，你們能得出什么結(jié)論？結(jié)論：當(dāng)我們把從句放在句子開(kāi)頭時(shí)，經(jīng)常用逗號(hào)把從句和主句隔開(kāi)。PresentationBecausenooneelsePresentation知識(shí)拓展because,since,as辨析because語(yǔ)勢(shì)最強(qiáng)，用來(lái)表示說(shuō)話人以為聽(tīng)話人不知道的原因，回答why提出的問(wèn)題。當(dāng)原因是顯而易見(jiàn)的或已為人們所知，就用as或since。Presentation知識(shí)拓展because,sincPresentationIdidn’tgobecauseIwasafraid.因?yàn)槲液ε滤晕覜](méi)有去。例句Since/Astheweatheristoobad,wehavetoputoffourjourney.由于天氣太差，我們不得不推遲我們的旅行。PresentationIdidn’tgobecausPracticeWe'dbetterhurry______itisgettingdark.A.andB.butC.asD.unless解析：句意：我們最好快點(diǎn)，因?yàn)樘炜旌诹恕?/p>

A.and并且；B.but但是；C.as由于，因?yàn)?；D.unless除非。結(jié)合句意，故選C。

CPracticeWe'dbetterhurry____Practice--Hewaslateagaintoday.Doyouknowwhy?--______hestayedupwatchingfootballmatchtoolatelastnight.A.SinceB.AsC.BecauseD.AndC解析：because用來(lái)回答why的提問(wèn)，表示直接的原因。根據(jù)上句的提問(wèn)“Doyouknowwhy”,故選C。Practice--HewaslateagaintoPracticePoliceofficer’squestions1.WhywasTinasurethatsomethinglandedintheforestnearthehills?2.WhydidyouandTinahidebehindsomebushes?3.Whydidyourunaway?4.Whydidyourfatherrefusetobelieveyou?Matchthequestionswiththeanswers.PracticePoliceofficer’squestPracticeWeheardsomevoicesspeakingastrangelanguage.B.Sheheardaloudnoiselastnight.C.Nooneelsesawthesealiens.D.Analiensawusandmadeaterriblenoise.Tom’sanswers.Answer:1.B2.D3.A4.CPracticeWeheardsomevoicessPractice

Tinawassurethatsomethinglandedintheforestnearthehillsbecausesheheardaloudnoiselastnight.Usethequestionsandanswerstocompletethepoliceofficer’snoteswithas,sinceorbecause.TomandTinahidebehindsomebushesasAnaliensawthemandmadeaterriblenoise.1.because2.asPracticeTinawassurethaPracticeTomrunawaybecausetheyheardsomevoicesspeakingastrangelanguage.3.because4.sinceTom’sfatherrefusetobelievehimsincenooneelsesawthesealiens.PracticeTomrunawaybecausetPresentationFindouttherules.I’munhappybecauseofyourmarksintheexam.Theywenttotheforestbecauseoftheircuriosity.Tinawokeupatmidnightbecauseofaloudnoise.Shedecidedtoexploretheforestbecauseofit.Becauseof后可以加名詞或者名詞短語(yǔ)或者人稱代詞的賓格形式。Rules:PresentationFindouttherulesPresentationbecause引導(dǎo)的原因狀語(yǔ)從句，而becauseof后加名詞或者代詞，或者名詞短語(yǔ)。because從句與becauseof短語(yǔ)可以相互轉(zhuǎn)換。because和becauseofHecan’tcomebecauseheisill.Hecan’tcomebecauseofhisillness.他因病不能來(lái)。Presentationbecause引導(dǎo)的原因狀語(yǔ)從句，而Presentationbecause和so在漢語(yǔ)中‘因?yàn)椤浴话闱闆r是連用的，但是英語(yǔ)中because和so一般不能連用。因?yàn)橄掠?，所以我們呆在家里。正：Becauseitwasraining,westayedathome.Itwasrainingsowestayedathome.誤：Becauseitwasraining,sowestayedathome.Presentationbecause和so在漢語(yǔ)中‘因?yàn)镻ractice練習(xí)鞏固句子改錯(cuò)（畫(huà)出句子中的錯(cuò)誤部分，并改正）Becausehegotuplatethismorningsohemissedtheearlybus.2.Heisveryhappybecausehisgoodmarksintheexam.去掉because改為becauseofPractice練習(xí)鞏固句子改錯(cuò)（畫(huà)出句子中的錯(cuò)誤部分，并改Practice直擊中考【2014.深圳】—Whydidn’tyougotoschoolyesterday?—______mymotherwasinhospitalandIhadtotakecareofher.A.Then B.Because C.If

B試題分析：Then那么，然后；Because因?yàn)?；If是否，如果。句意：昨天你為什么沒(méi)有去上學(xué)？——因?yàn)槲业哪赣H生病住院了，我不得不照顧她。結(jié)合語(yǔ)境可知選B。Practice直擊中考【2014.深圳】B試題分析：ThPractice直擊中考【2011.揚(yáng)州】Hehadtoretire(退休)early

poorhealth.asaresult

B.because C.soD.becauseof試題分析：asaresult因此，結(jié)果是；because因?yàn)?，接從句；so因此；becauseof因?yàn)椋用~性短語(yǔ)。句意：因?yàn)樯眢w不適，他不得不提前退休。結(jié)合語(yǔ)境可知選D。DPractice直擊中考【2011.揚(yáng)州】HehadtoPractice直擊中考【2013.蘇州】KellyClarksonissopopularamongyoungpeople_____herbeautifulvoice.because B.becauseof C.instead D.insteadofB試題分析:句意：凱力.克拉克森因其動(dòng)聽(tīng)的歌喉而深受年輕人喜愛(ài)。because因?yàn)椋ê蠼訌木洌?，becauseof因?yàn)椋ê蠼佣陶Z(yǔ)），instead反而，insteadof而不是……。根據(jù)語(yǔ)境可知其深受年輕人歡迎是因?yàn)槠鋭?dòng)聽(tīng)的歌喉，故選B.Practice直擊中考【2013.蘇州】KellyClaPractice直擊中考【2012.杭州】DidyoucallSaraback?Ididn’tneedto,_____we’llhaveameetingtogethertonight.A.thoughB.unlessC.becauseD.ifC試題分析：Though雖然，盡管；unless除非；because因?yàn)?；if是否，如果。句意：--你喊薩拉回來(lái)了嗎？—我不必。因?yàn)槲覀兘裢硪黄鹩袀€(gè)會(huì)議。故選C。Practice直擊中考【2012.杭州】DidyHomeworkWritesentencesaboutthestoryonpage99byUsingbecauseof.HomeworkWritesentencesabout【語(yǔ)法】M4U7-原因狀語(yǔ)從句及because-of-的用法課件原因狀語(yǔ)從句及becauseof的用法原因狀語(yǔ)從句及becauseof的用法狀語(yǔ)從句主要用來(lái)修飾主句或主句的謂語(yǔ)。狀語(yǔ)從句時(shí)間狀語(yǔ)從句地點(diǎn)狀語(yǔ)從句原因狀語(yǔ)從句目的狀語(yǔ)從句結(jié)果狀語(yǔ)從句條件狀語(yǔ)從句讓步狀語(yǔ)從句比較和方式狀語(yǔ)從句Lead-in狀語(yǔ)從句主要用來(lái)修飾主句或主句的謂語(yǔ)。狀語(yǔ)從句時(shí)間狀語(yǔ)從句地Lead-inWhywastheteacherangry?Becausethegirlwaslateforclass.Lead-inWhywastheteacherangLead-inTheteacherwasangrybecausethegirlwaslateforclass.原因狀語(yǔ)從句主句Lead-inTheteacherwasangrybPresentation引導(dǎo)原因狀語(yǔ)從句的從屬連詞主要的有because,as,since。原因狀語(yǔ)從句是用來(lái)說(shuō)明引起主句這個(gè)結(jié)果的原因的從句。Presentation引導(dǎo)原因狀語(yǔ)從句的從屬連詞主要的原因Presentation指出句子的主句和原因狀語(yǔ)從句。Irefusetobelieveyoubecausenooneelsesawthesealiens.Irefusetobelieveyouasnooneelsesawthesealiens.Irefusetobelieveyousincenooneelsesawthesealiens.主句原因狀語(yǔ)從句Presentation指出句子的主句和原因狀語(yǔ)從句。IrPresentationBecauseAsSincenooneelsesawthesealiens,Irefusetobelieveyou.觀察一下句子，你們能得出什么結(jié)論？結(jié)論：當(dāng)我們把從句放在句子開(kāi)頭時(shí)，經(jīng)常用逗號(hào)把從句和主句隔開(kāi)。PresentationBecausenooneelsePresentation知識(shí)拓展because,since,as辨析because語(yǔ)勢(shì)最強(qiáng)，用來(lái)表示說(shuō)話人以為聽(tīng)話人不知道的原因，回答why提出的問(wèn)題。當(dāng)原因是顯而易見(jiàn)的或已為人們所知，就用as或since。Presentation知識(shí)拓展because,sincPresentationIdidn’tgobecauseIwasafraid.因?yàn)槲液ε滤晕覜](méi)有去。例句Since/Astheweatheristoobad,wehavetoputoffourjourney.由于天氣太差，我們不得不推遲我們的旅行。PresentationIdidn’tgobecausPracticeWe'dbetterhurry______itisgettingdark.A.andB.butC.asD.unless解析：句意：我們最好快點(diǎn)，因?yàn)樘炜旌诹恕?/p>

A.and并且；B.but但是；C.as由于，因?yàn)?；D.unless除非。結(jié)合句意，故選C。

CPracticeWe'dbetterhurry____Practice--Hewaslateagaintoday.Doyouknowwhy?--______hestayedupwatchingfootballmatchtoolatelastnight.A.SinceB.AsC.BecauseD.AndC解析：because用來(lái)回答why的提問(wèn)，表示直接的原因。根據(jù)上句的提問(wèn)“Doyouknowwhy”,故選C。Practice--HewaslateagaintoPracticePoliceofficer’squestions1.WhywasTinasurethatsomethinglandedintheforestnearthehills?2.WhydidyouandTinahidebehindsomebushes?3.Whydidyourunaway?4.Whydidyourfatherrefusetobelieveyou?Matchthequestionswiththeanswers.PracticePoliceofficer’squestPracticeWeheardsomevoicesspeakingastrangelanguage.B.Sheheardaloudnoiselastnight.C.Nooneelsesawthesealiens.D.Analiensawusandmadeaterriblenoise.Tom’sanswers.Answer:1.B2.D3.A4.CPracticeWeheardsomevoicessPractice

Tinawassurethatsomethinglandedintheforestnearthehillsbecausesheheardaloudnoiselastnight.Usethequestionsandanswerstocompletethepoliceofficer’snoteswithas,sinceorbecause.TomandTinahidebehindsomebushesasAnaliensawthemandmadeaterriblenoise.1.because2.asPracticeTinawassurethaPracticeTomrunawaybecausetheyheardsomevoicesspeakingastrangelanguage.3.because4.sinceTom’sfatherrefusetobelievehimsincenooneelsesawthesealiens.PracticeTomrunawaybecausetPresentationFindouttherules.I’munhappybecauseofyourmarksintheexam.Theywenttotheforestbecauseoftheircuriosity.Tinawokeupatmidnightbecauseofaloudnoise.Shedecidedtoexploretheforestbecauseofit.Becauseof后可以加名詞或者名詞短語(yǔ)或者人稱代詞的賓格形式。Rules:PresentationFindouttherulesPresentationbecause引導(dǎo)的原因狀語(yǔ)從句，而becauseof后加名詞或者代詞，或者名詞短語(yǔ)。because從句與becauseof短語(yǔ)可以相互轉(zhuǎn)換。because和becauseofHecan’tcomebecauseheisill.Hecan’tcomebecauseofhisillness.他因病不能來(lái)。Presentationbecause引導(dǎo)的原因狀語(yǔ)從句，而Presentationbecause和so在漢語(yǔ)中‘因?yàn)椤浴话闱闆r是連用的，但是英語(yǔ)中because和so一般不能連用。因?yàn)橄掠?，所以我們呆在家里。正：Becauseitwasraining,westayedathome.Itwasrainingsowestayedathome.誤：Becauseitwasraining,sowestayedathome.Presentationbecause和so在漢語(yǔ)中‘因?yàn)镻ractice練習(xí)鞏固句子改錯(cuò)（畫(huà)出句子中的錯(cuò)誤部分，并改正）Becausehegotuplatethismorningsohemissedtheearlybus.2.Heisveryhappybecausehisgoodmarksintheexam.去掉because改為becauseofPractice練習(xí)鞏固句子改錯(cuò)（畫(huà)出句子中的錯(cuò)誤部分，并改Practice直擊中考【2014.深圳】—Whydidn’tyougotoschoolyesterday?—______mymotherwasinhospitalandIhadtotakecareofher.A.Then B.Because C.If

B試題分析：Then那么，然后；Because因?yàn)椋籌f是否，如果。句意：昨天你為什么沒(méi)有去上學(xué)？——因?yàn)槲业哪赣H生病住院了，我不得不照顧她。結(jié)合語(yǔ)境可知選B。Practice直擊中考【2014.深圳】B試題分析：ThPractice直擊中考【2011.揚(yáng)州】Hehadt