感觉性动词到底是后加动词ing,还是加to?还是······
感觉性动词到底是后加动词ing,还是加to?还是······
be going to 加动词ing 还是动词加S?
to后面动词加ing还是用动词原型
understand后加to 动词原形还是动词过去式,还是直接加动词ing.
was+动词ing还是加动词过去式?
study加动词ing还是动词不定式
difficult是加动词ing?还是加to do sth.
thanks to 后面的动词是原形还是加ing
have to 后面加 动词ing,还是原型?
practise后面加动词ing还是to do?
in bid to后面加ing还是动词原型
be honoured to 后面加动词原形,还是ing形式