there be +to do sth.可以吗
There be sth to do?和There be sth done?
There be sb to do sth.
There will be sb to do sth
用whant to do sth,try to do ,there be,not.but...,take sb sth,
try to do sth.中的do可以是be 动词原形吗?
忙于做某事为什么要用be busy doing sth 可以用be busy to do sth吗
be allowed to do sth等于allow doing sth吗?
句子She is going to a birthday party. 不是be going to do sth吗,可以
be confident of doing sth,那么be confident of to do sth是不是也可以?
be happy to do sth
be let to do sth
be surprised to do sth