cannot but +动词原形
cannot but +动词原形
nothing but 后是动词原形吗
cannot but 后加动词的什么形式
nothing……but+动词原形造句
can't help but 后跟动词原形吗
We did nothing but sit in the chair中 but后为什么接动词原形
行为动词原形等于动词原形吗
动词原形+ing 什么是动词原形
非谓语动词345.Tim cannot but ______ his supervisor to help him so
He never did anything but watch TV. did之后动词为什么用原形?
cannot 后面加过去式还是原形
那些词后加动词原形