牛津译林版九年级英语上册课件：Unit5-Grammar.ppt

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1、GrammarUnit5翻译下列句子1）Westayedathomebecauseitrained.2）Hewalkedtothecompanybecausehisbikewasbroken.3)SinceIknowverylittleJapanese,Ican’tcatchwhatyousaid.4)AsMingmingwasnotready,wewentwithouthim.5)SincetheoutbreakoftheEbolainWestAfrica,manypeopleareafraidtotraveltoAfri

2、ca.1.MyChineseteacherisveryknowledgeable______shereadslotsofbooks.A.butB.soC.becauseD.although2.______youareunabletoanswer，perhapsweshouldasksomeoneelse.A.BecauseB.BeforeC.SinceD.After3._____wearebothtired,let’sjustgrabatakeaway(叫外卖).A./B.WhenC.BecauseD.AsA.Givingr

3、easonswithbecause1.Because语气最强，表直接原因，回答why的问题。通常放在主句之后，可单独使用。1）Westayedathomebecauseitrained.2）Whydidn’thecome?Becausehewasill.3）MystomachhurtsbecauseIhaveeatentoomanyapples.4）---Whydoyouloveher?---Becausesheiskind.5）IdoitbecauseIlikeit.2.because可引导表语从句等。Itisbecaus

4、eyou’reeatingtoomuch.Haveyoueverwalkedintoaroomandfeltrelaxed?Itcouldbebecausethewallswerepaintedblue.3)ItisbecauseheishonestthatIlikehim.4)Thatisbecauseyoucan’tappreciatemusic.3.becauseof也可表达直接的原因，只不过其后接名词、代词或动名词。1)Hecan’tcomebecauseofhisillness.2)Heisherebecauseo

5、fyou.because习惯上不与so连用汉语习惯上说“因为…所以…”，但英语习惯上却不能将so与because连用：因为下雨，所以我们呆在家里。正：Becauseitwasraining,westayedathome./Itwasraining,sowestayedathome.误：Becauseitwasraining,sowestayedathome.because从句与becauseof短语的转换Because引导的原因状语从句有时可与becauseof短语转换，becauseof后加的原因可以为好或坏。但最正规的还

6、是because。Hecan’tcomebecauseheisill./Hecan’tcomebecauseofhisillness.他因病不能来。Isaidnothingaboutitbecausehiswifewasthere./Isaidnothingaboutitbecauseofhiswife’sbeingthere.因为他妻子在那儿，我对此事只字未提。B.Givingreasonswithsinceandassince侧重主句，意思是“既然；由于；因为”，表示已知的、显然的理由since比as语气稍强，且比as略

7、微正式，它们引导的从句通常放在主句之前，有时也放在主句之后。不表示直接原因。Since可用于省略句，而其他连词不行。（见例2）1.Sinceeveryoneishere,let'sstart2.Sinceso,Ihavenothingtosay.3.Sinceyouarewrong,youshouldsaysorry.as鉴于主从并重，从句说原因，主句说结果。1.Asitislate,Imustgo.2.Asyouwerenotthere,Ileftamessage.as和since的用法大体相同，表示附带说明的“双方已知的

8、原因”或者理由不是很重要，但语气更弱，没有since正式，常译为“由于，鉴于”。例如：Asitisraining,you’dbettertakeataxi.既然在下雨，你最好乘出租汽车。Asyouaretired,youhadbetterrest.既然累了，你最好休息一下。for由于，表明