英英语语法----can not be

问题描述:

英英语语法----can not be
为何can 的否定形式要在not后加be,再加动词原形,比如 we can not be release the file

We can not be release the file. 是错误的.
正确的应该是:
We can not release the file. (主动)
The file can not be released. (被动)