Is your brother old enough to be a member of our association?

来源:百度知道 编辑:UC知道 时间:2024/05/30 16:11:22
Is your brother old enough to be a member of our association?
中为什么要加be?不能省略吗?

to be a member ...
因为前面用了不定式,而不定式的后面是需要跟动词的.这里的动词由系动词担当.表示"作...成.. 为...是..."等意思,故be不可省略.

be 在这里是成为的意思,你去掉读不通的