be surprised to do中的do有何限制?
问题描述:
be surprised to do中的do有何限制?
答
动词的原型
答
动词原形
答
to后面接动词原型,所以这个do 应该是动词的原型,短语也是,如I am surprised to hear that.I am surprised to follow it.I am surprised to see.