属于那种从句类型educational television has no commercials that many parents approve of.that many parents approve of.是什么从句,如果是非限定性定语从句,为什么that前没“,”.

来源：学生作业帮助网 编辑：作业帮 时间：2024/05/11 03:49:06

属于那种从句类型educational television has no commercials that many parents approve of.that many parents approve of.是什么从句,如果是非限定性定语从句,为什么that前没“,”.
属于那种从句类型
educational television has no commercials that many parents approve of.
that many parents approve of.是什么从句,如果是非限定性定语从句,为什么that前没“,”.

属于那种从句类型educational television has no commercials that many parents approve of.that many parents approve of.是什么从句,如果是非限定性定语从句,为什么that前没“,”.
that引导的是定语从句,因为that不可以引导非限制性定于从句,所以本句是限制性定语从句,并且that在定语从句中做of的宾语.(that many parents approve of)是定语从句,先行词是commercials,也就是说(that many parents approve of)是整个句子修饰commercials,定语从句的主语是parents,谓语是approve of,所以从句中没有宾语,用that 来引导从句,并充当从句的宾语.

非限制性定语从句一定有逗号，但不能用that，如果修饰物用which，修饰人用who/whom。这里既没逗号又是that，所以不是非限制性定语从句，是限制性定语从句。

that 前面本来就没有逗号。。。。
是定语从句。。。如果用which 前面有逗号。。。

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