因果状语从句.pptVIP

原因状语从句 Adverbial clause of cause/reason 原因状语从句常用的从属连词和短语有：because,as,since, now that,for the reason that... 例如：She got the job because she was the best one. As she has no car,she has to call a taxi. Since you have come,you had better stay here. Now that you have finished your work,you may leave now. I dont like the girl for the reason that she is too selfish. Pay attention: 中文中有“因为……所以……”的结构，但英文中的 because,as或者since,不能和so同时使用。 Because it was raining heavily,so they didnt go out to play.(错误) ——Because it was raining heavily,they didnt go out to play.(正确) ——It was raining heavily,so they didnt go out to play.(正确) Because she was careless,so she failed.(错误) ——She failed because she was careless.(正确) ——She was careless so she failed.(正确) 辨析 1.because“引导的原因状语从句可以放在句首，for不可以。 2.for表示原因语气较弱，有补充说明的含义。 3.“because是对事实作出的解释，但for则为说话者的推断 和预测提供理由。 4.because语气最强，since其次，as稍弱。 结果状语从句 结果状语从句常用的从属连词有：so that, so...that,such...that等 例句：He slammed the door,so that he awoke everyone. I always write so carefully that I make my meaning clear. She got such a fright that she lost her senses. so...that和such...that的比较 so后面跟形容词或副词，such后面跟名词 such+a+形容词+可数名词单数”——so+形容词+a+可数名词单数 如果such后面的名词是可数名词复数或不可数名词，不能转换为so结构。 so还可以与many,much,little,few构成固定搭配，此时不能用such结构。 so...that和so that的比较 so...that引导结果状语从句，so that除了引导结果状语从句，还可以引导目的状语从句。 exercise1： ( )1.It‘s going to rain________the sky has become darker. A.for B.since C.because D.as ( )2.I didnt go to school yesterday ________ I was ill. A.but B.because C.even if D.though 把从句简化为 because of 结构： 1. He lay in bed because he had caught a bad cold. 2. He couldnt walk because his leg was broken. 3. I came back because it was raining. 4. They stayed in because the weather was bad. A B He lay in bed because of a bad cold. He couldnt walk because of his broken leg. I came back becaue of the rain. They stayed in because of the bad weather. exercis