英语专业四级辅导：词汇与语法全真模拟练习63
今天我们来做做语法,是之前有人跟我提起要讲一下As的用法,而且大家最近的复习应该也很紧张,所以这次大家就看看部分用法。1． as 引导的状语从句
1） as 引导时间状语从句，意为“随着 …… ”，常与比级连用。
We get wiser as we get older.
2). as 引导让步状语从句。需将表语或状语前置，有时也可用 that / though 代替 as 。
Clever as he was, he often failed in examinations.
3） as 引导比较状语从句。与 than 引导的比较状语从句类似，有时从句用部分倒装。
She took as much responsibility asdid her husband.
4） as 引导表示强调意义的特殊比较句型。
1） as … as anything;
as … as can be;
as …as one can
“ 极其 …… , 到了最 …… 的程度”
He is as naughty as anything .
2） as … as one can;
as … as permit;
as best one can
表示“尽可能”
He began to run, as fast as he could.
3） as + adj. … as + adj.
as 后用同一形容词，表示“极其、非常”
She returned to her small town as ill as ill .
5） as 引导类比从句，与 so 连用。表示“正如 …… 所以 ……”
As you brew, so must you drink.
6） as 引导比例从句，与 what 用法相同。
Books are to the mind as food is to the body
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