第三章 状语从句
1.状语从句的含义：
一个句子作状语，表达描述性的信息。
2.状语从句的写法：从属连词 + 完整的陈述句
| 从属连词 | |
|---|---|
| 时间状语从句 | when, while, as, before, after, since, until |
| as soon as, no sooner...than | |
| 地点状语从句 | where |
| 原因状语从句 | because, since, as |
| 结果状语从句 | so/such...that, so that... |
| 目的状语从句 | so that...,in order that |
| 条件状语从句 | if, unless, as long as |
| 让步状语从句 | although, though, even though, as |
| 比较状语从句 | than, as |
| 方式状语从句 | as |
地点状语从句
Stay where you are.
Where there is a will, there is a way.
结果状语从句
The problem is so complicated that we cannot solve it.
It is such a complicated problem that we cannot solve it.
让步状语从句
Although it is summer, it is very cold.
It is summer, but it is very cold.
比较状语从句
I am as tall as you.
I am as tall as you(are).
方式状语从句
Do it as I told you yesterday.
When in Rome, do as Romans do.
3.状语从句的时态：
时间/条件状语从句中表示将来，要换成一般现在时。
如果明天下雨，我们就不去公园。
If it rains tomorrow, we will not go for a picnic.
I will let him know, when he comes home later.
改错练习：
- The boss will review your work after she
from vacation next week.(returns)will return - I'll give you a call on my cell phone as soon as my plane