1.通常由where或wherever引导,可位于主句前或主句后,在句首时常含有抽象意味。
They offered to go where there were difficulties. 他们表示愿意到艰苦的地方去。
You are free to go wherever you like.
你愿意去哪里就去哪里。
2.注意区分where引导的状语从句与定语从句
You'd better make a mark where you have any questions.(状语从句)
=You'd better make a mark at the place where you have any questions.(定语从句)
你最好在有问题的地方做一下标记。
考点四 条件状语从句
引导条件状语从句的连词有:if,unless(如果不;除非),as/so long as(只要),suppose/supposing (that)(倘若;如果),provided/providing (that)(倘若;如果),on condition that(条件是)等。
Unless he studies hard, he will never pass the examination. 他如果不努力学习,就永远不能考及格。
We can overcome the difficulties as long as we are organized.只要我们组织起来,我们就能克服困难。
You can use this room provided that you keep it clean and tidy.如果你能保持房间干净整洁,你就可以用这间房子。
考点五 原因状语从句
because表示直接因果关系,语气最强;as,since,now that指双方都知道的原因;并列连词for也可表示原因,但只是对前面的句子起补充说明作用。
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