中考英语-原因、结果、目的状语从句讲解+练习(3).docx

中考英语-原因、结果、目的状语从句讲解 +练习 状语从句总结 一、原因状语从句 (1)原因状语从句通常由 because, since, as, for引导。 (2)because表示直接原因，语气最强。 because引导的原因状语从句多放在主句之后。回答 由why提出的问题，只能用 because。此外，because和so不能同用在一个句子里。 例如： Why aren' t going there?——Because I don ' t want to. since引导原因状语从句，相当于 now that ,意思是 因为??…，?既然??…；鉴于……o 例如：Since the rain has stopped, let ' s go for a walk.然雨停了，我们出去散散步吧。 as和since语气较弱，一般用来表示明显的原因。由 as和since引导的原因状语从居多放 在句首。 例如 ：As he has no car, he can ' t get there easily. Since we have no money, we can ' t buy it. (3)for表示所说的理由是一种补充说明 ，for引导的从句一般不放在句子的开头。如 ： I decided to stop and have lunch, for I was feeling quite hungry. 练习： I was late for class yesterday there was something wrong with my bike. He took off his coat he felt hot. —you can ' t answer the question, I ' ll ask someone else. 二、结果状语从句 (1)结果状语从句由 so…that, such …that, soNhOI。 (2)so…th册such...that可以互换。在由 so...that引导的结果状语从句中， so是副词，与形 容词连用。其结构是："...so拶容词(副词)+ that +从句”。 例如： He was so glad that he couldn ' t say a word. Mother lives so far away that we hardly ever (几乎不, 从来不) see her. 在由such…that引导的结果状语从句中，such是形容词，它修饰的可以是单数或复数可数 名词，也可以是不可数名词；其结构是 ："...such+a / an形容词+名词+ that +从句”。 例如： It was such a hot day that nobody wanted to do anything. He had such long arms that he could almost touch the ceiling. (天花板) 有时上述两种结构是可以互换的。 例如： It was such a wonderful film that all of us wanted to see it again. =The film was so wonderful that all of us wanted to see it again. (3)如果名词前由 many, much, little, few 等词修饰时，只能用 so,不用such。 例如： Soon there were so many deer that they ate up all the wild roses. He has so little time that he cant go to the cinema with you. He has so little time that he can t go to the cinema with you. (4)如果主从句的主语相同，并且从句是否定的形式，可以用 too...to…句型转化。 例如： He was so excited that he couldn't go to sleep that night. = He was too excited to go to sleep. ⑸如果主从句的主语相同，但从句是肯定的形式，可以用 adj.+ enough替换。 例如： He is so old that he could go to school. = He is old enough to go to school. 他够大了，可以去上学。 练习： It is hot in the room we have to go out for a w