I spent what might be a very long time persuading my child t

I spent what might be a very long time persuading my child to stay.为什么用what而不用which或that?

末名飞扬 1年前已收到3个回答举报

dzmfs 幼苗

共回答了23个问题采纳率：91.3% 举报

这里,这个句子整体做spent的宾语,只能用what
这个what不光在从句中做了主语,在主句中还充当了宾语,相当于
a time which这个整体
只能用what哦

1年前

蝴蝶泉边吧幼苗

共回答了10个问题举报

不要想的那么复杂。记住，which和that如果代宾语的话，那么他们所指代的宾语必须自己在他们之前出现，而what就不一样，他可以完全代替宾语，并作为从句的主语。
例如，你非要用which，可以把省掉的宾语补充起来a time which=what

1年前

寒森幼苗

共回答了8个问题举报

1)名词性从句
2）what在句中作主语
3）表示很长的一段时间
表示。。。的。。。
就用what，我们老师讲的

1年前

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