英语谓语动词的形式
问题描述：
英语谓语动词的形式
答
1.to do
2.doing
3.done
除了不能作谓语,可以作主 宾 表 状 宾补 定
1.To do morning exercises is very important.
2.My job is teaching.
3.This is a broken glass.
4.You don't keep your mother waiting.