My father was satisfied with what I did.这句宾语从句为什么用What这个关联词?

问题描述:

My father was satisfied with what I did.这句宾语从句为什么用What这个关联词?
My father was satisfied with what I did.这句宾语从句为什么用What这个关联词?

what 相当于先行词加that,作主句的宾语,因为satisfied后面没有宾语,所以应该用what,既作宾语,又能引导宾语从句,而that只能引导从句,不作成份.如果需要作成分的一般用what,不需要作成分的,用that.