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as的用法总结7种

1. 用于表示方式或程度：

as 后面可以接形容词（例如：

He looked as brave as a lion. 他看起来像狮子一样勇敢。

） 2. 用于表示类比：

as 后面可以接名词（例如：

She works as hard as a bee. 她像蜜蜂一般勤奋工作。

） 3. 用于表示判断、规定：

as 后面可以接从句，其中包括 if/whether 引导的条件从句（例如：

As he said if/whether it rains tomorrow, we will go. 他已经说过，如果明天下雨，我们就去。

） 4. 用于表示平等：

as 后面可以接 time, many/much, long, old 等词（例如：

He is as old as me. 他和我一样老。

） 5. 用于引导介词短语：

as 后面可以接介词短语（例如：

He comes as soon as possible. 他尽可能快地来。

） 6. 用于表示“作为。

用作”：

as 后面可以接名词（例如：

I use my pen asa weapon. 我把笔当做武器使用。

） 7. 用于表示“像，犹如”：

as 后面可以接过去分词（例如：

He looked as if he had been beaten. 他看上去就像被打了一顿。

）

as用法大全17种用法

1. as 用于分离并赋予句子以特殊的含义，大体分为17种用法，这里就给大家一一列举：

（1）用作形式主语：

As I said earlier…. （2）用作形式宾语：

He spoke as he had been asked to. （3）用作名词性从句的连词：

He said he would come as soon as possible. （4）用作形容词性从句的连词：

The man stood there motionless as a statue. （5）用作副词性从句的连词：

She worked as hard as ever. （6）作状语：

As he had expected , she refused to forgive him. （7）作比较状语：

He’s not as famous as his brother. （8）作方式状语：

She left as quietly as she could. （9）作原因状语：

As the road was blocked, they had to go by bus. （10）用作关系副词：

He came to me as if nothing had happened. （11）作比较状语：

The film is as good as the book. （12）用作连词，引导原因状语从句：

She felt very tired，for she had been working all day as she had a tight schedule. （13）用作连词，引导让步状语从句：

He was successful, as he put more efforts into it. （14）用作连词，引导时间状语从句：

As it was getting late, we had to leave. （15）当“当做......”讲时：

He treats his cat as a friend. （16）当“正如......”讲时：

As is said in the book , we should be optimistic. （17）当“似乎”讲时：

He looks as if he was going to cry.