allof和ofall有啥区别，怎么使用和区分呢
all of和of all的区别是： all of ……意思是“都，……全部”，可以作主语、宾语、表语等。 of all……意思是“在所有的……之中”，of是一个介词，表示“范围”。of all…是一个介词短语，作状语。 例句： 1、Me Green has three children， and all of them are doctors. 2、I have many boooks， all of which are about physics. 3、Of all the stars，...