as if(as if 的用法)

来源：学生作业帮编辑：作业帮分类：英语作业时间：2024/07/08 07:04:49

老师，如何区分由as if引导的从句何时是表语从句，何时是方式状语从句？如：1)The girl looks as if she's going to cry.2)He acted as if nothing had happened.为什么是方式状语从句而不是表语从句？特别的当从句都接在动词后面时应如何判断呢？

解题思路：如下
解题过程：
1． as if 在look, seem 等系动词后引导表语从句。
　　如：
　　She looks as if she were ten years younger．
　　她看起来好像年轻了十岁。
　　It seems as if our team is going to win．
　　看来我们队要胜了。
2．as if 在实意动词后面，引导方式状语从句。
　　如：
　　She loves the boy as if she were his mother．
　　她爱这男孩，就好像她是他的母亲一样。
　　The child talked to us as if he were a grownup．
　　那孩子跟我们谈起话来，像个成年人似的。
1)The girl looks as if she's going to cry.
此句是表语从句，因为look是系动词“看起来”的意思。
2)He acted as if nothing had happened.
此句是方式状语从句，因为act是实意动词。
最终答案：略

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