2014年职称英语考试理工类助动词辅导
2013-09-24来源:和谐英语
2.助动词be可用来:
(1)构成进行时态:
I’ll be seeing her at 10 tomorrow. 我明天十点和她会面。
What have you been doing these days? 这些天来你在干什么?
(2)构成被动语态:
What has been assigned for today’s homework? 今天留了什么作业?
Preparations are being made for the speech contest. 演讲比赛的准备工作正在进行。
(3)和动词不定式构成复合谓语,表示按计划安排即将发生的事情:
A new hospital is to be built in our district. 我们区要修建一所新医院。
Where are we to meet? 我们在哪里碰头?