大学英语四六级考试语法精要（三）

(1) while引导的让步状语从句多放在句首，while相当于although，表示“尽管”，“虽然”。

While I admit I did it, I didn’t intend to.

While I understand what you say, I can’t agree with you.

(2) 短语“even now/then/so”相当于“though it is/was true”，表示“尽管如此”，“尽管这样”。

The fire was out, but even so, the smell of smoke was strong.

I’ve tried my best, but even now/then she is not satisfied.

(3) as引导的让步状语从句要倒装。

Child as he was, he could speak four languages.

Hard as she tried, she failed to get the job.

4) 比较状语从句

比较状语从句主要由以下连词引导：(not) as … as, (not) the same as, (not) such … as, not so … as, than, the + 比较级…, the +比较级…等。

We have had a lot more rainfall this year than we had last year.

She can speak English as fluently as her teacher (can).
Ⅲ 宾语从句

1) 及物动词后的宾语从句

有些动词的宾语从句前还可有一个间接宾语。

I remember that we have learned this word before.

I don’t understand what you have said.

She asked the teacher how she could learn English well.

2) 介词的宾语从句

It depends on whether you want to do it or not

There is disagreement among economists about what money is and how money is measured.

Note: 在介词in后面跟that引导的宾语从句中，in that可看成是一个固定的搭配，表示“因为”或“在…方面”。

The evidence is invalid in that it was obtained through illegal means.

A turtle differs from all other reptiles in that it has its body encased in a protective shell of its own.