as作连词的用法。1、作，当的时候，引导时间状语从句。例句：As a young man.he was active in sports。2、as等于since，作既然。例句：As he wasn't ready in time.we went without him。3、作，虽然、尽管，引导让步状语从句。例句：Tired as they were.they walked on。as作关系代词的用；
导读as作连词的用法。1、作，当的时候，引导时间状语从句。例句：As a young man.he was active in sports。2、as等于since，作既然。例句：As he wasn't ready in time.we went without him。3、作，虽然、尽管，引导让步状语从句。例句：Tired as they were.they walked on。as作关系代词的用；
as作连词的用法：
1、作，当的时候，引导时间状语从句。
例句：As a young man, he was active in sports。
2、as等于since，作既然。
例句：As he wasn't ready in time, we went without him。
3、作，虽然、尽管，引导让步状语从句。
例句：Tired as they were, they walked on。
as作关系代词的用
英语的介词as都有哪些用法
as作连词的用法。1、作，当的时候，引导时间状语从句。例句：As a young man.he was active in sports。2、as等于since，作既然。例句：As he wasn't ready in time.we went without him。3、作，虽然、尽管，引导让步状语从句。例句：Tired as they were.they walked on。as作关系代词的用；
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