摘要：关系代词as,在从句中作主语.宾语和表语. (1)先行词被such和the same修饰.或句型as many中.从句都用as 引导. Such books as you bought are useful. The school is just the same as it was 10 years age. 注意:区别①such - that - 引导的结果状语从句.They are such lovely children that we love them much.②the same - that - 引导定语从句.I want to use the same tool that you used just now. (2)无先行词的定语从句用as和which引导. 区别:①意义上:as 含有“这点正如--一样 .②位置上:as 从句可置句首.也可在另处. He didn’t pass the exam, as we had expected. There is lots of air in loose snow, which can keep the cold out. As is known, the earth is round, not flat.

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