内容正文:
从句复习
在复合句中修饰主句中的动词、形容词或副词等的句子叫状语从句。状语从句根据它表达的意义的不同可分为:时间状语从句、原因状语从句、条件状语从句、比较状语从句、方式状语从句、目的状语从句、结果状语从句和让步状语从句。如果状语从句放在主句前,通常在从句后用逗号隔开。
从句的分类
从句的引导词
例句
时间状语从句
when/ while/ as(当……时),before(在……之前),after(在……之后),since(自从),until(直到……才),as soon as(一……就)
I was doing my homework when he came in.
He didn’t finish his homework until his father came back yesterday.
条件状语从句
if(如果), as long as(只要),unless(除非=if…not)
I’ll go to the park if it is fine tomorrow. Unless bad weather stops me, I go for a walk every day.
原因状语从句
because(因为),since(既然),as(由于)
I like English because it’s very useful.
Since everyone is here, let’s begin our class.
目的状语从句
so that(以便,为了)
She came to my home so that she could borrow my bike yesterday.
结果状语从句
so that(结果是), so…that/ such…that(如此……以至)
It’s so cold outside that nobody wants to go out.
让步状语从句
though/ although(尽管;虽然),even if(即使),whatever(无论什么),wherever(无论哪里),whenever(无论何时)等
Though they are poor, they are very happy.
I won’t mind even if he doesn’t co