这两个词在句中的成分不同.
what to do sth在句中为宾语,也就是紧接在动词后,同理也有what to happen to me的结构,不过在句中充当宾语.例如:I want to know what to happen to me.
而what happened to me可以直接构成特殊疑问句,例如:what have happened to me
这是what两种不同的用法,一是后接不定式to构成宾语,二是用作特殊疑问词,引导特殊疑问句.
这两个词在句中的成分不同.
what to do sth在句中为宾语,也就是紧接在动词后,同理也有what to happen to me的结构,不过在句中充当宾语.例如:I want to know what to happen to me.
而what happened to me可以直接构成特殊疑问句,例如:what have happened to me
这是what两种不同的用法,一是后接不定式to构成宾语,二是用作特殊疑问词,引导特殊疑问句.