each什么时候谓语动词用单数,什么时候谓语动词用复数

问题描述:

each什么时候谓语动词用单数,什么时候谓语动词用复数

当each在主语前面用单数,例如:each student has a book.each of the students has a book.
当each在主语后面,主语是复数情况下,用复数,例如:They each have books.