原因狀語從句和目的狀語從句

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1、原因狀語從句原因狀語Afraidofbeinglate,theycamebytaxi.因為怕遲到，所以他們坐出租車來的。Thankyouforremindingme.謝謝你提醒我。I’llhavetohavemywatchreplacedbecausethereissomethingwrongwiththealarm.引導詞Because，since，as等語氣強弱because>since>asbecause不知道原因since原因明顯，已知as雙方都知道Theybumpedheroff________she

2、knewtoomuch.因為她知道太多，所以他們把她干掉了。_____youarefreetoday,youhadbetterhelpmewithmymathematics.既然今天你休息，你最好幫我補習數(shù)學。____itisraining,you’dbettertakeataxi.因為在下雨，你最好乘出租汽車。becauseSinceAs（1）回答why，只能用because。A：Whycan’tIgo?B：_______youaretooyoung.Because（2)不能將because,since,as

3、等與so連用。2.________heisill,______hecannotcome.A.Because,/B.Because,soC.Though,butD.Though,/Abecause和becauseofbecause+從句becauseof+名詞短語他因病不能來。Hecan’tcomebecauseheisill.Hecan’tcomebecauseofhisillness.Readandcombine.Iboughtthehousesimply.Itislarge.→Iboughtthehouse

4、simplybecauseitislarge.Languageinuse1.Everybodystaysunderthetree.Itisveryhot.→Asitisveryhot,everybodystaysunderthetree.Languageinuse2.Theboycouldn’tdrawmoneyfromtheATM.Heforgotthepin.→Theboycouldn’tdrawmoneyfromtheATMbecauseheforgotthepin.Languageinuse3.Iwil

5、lexplainagain.Youdonotunderstand.→Sinceyoudonotunderstand,Iwillexplainagain.目的狀語從句引導詞sothat，inorderthat等“以便”Ilenthim$50inorderthathemightgoforaholiday.我借給他50美元，以便他能去度假。他早起以便他能夠趕上首班車。Hegotupearlysothathecouldcatchthefirstbus.謂語前常含有may,might,can,could,should,w

6、ould等情態(tài)動詞。