The Future Passive Voice
【基础过关】
被动语态的基本构成是”be + 过去分词”，各种时态通过be表现出来。一般将来时态的被动语态有下列几种形式：
1. shall/will be done
Will those old schools be pulled down next week?那些老校是在下周拆除吗？
2. be going to be done
The letter is going to be typed and sent off immediately.这封信将立即打好并发出。
3. be to be done
The question is to be discussed at the next meeting.定于在下次会议上讨论这个问题
is/are to do是将来时态的一种形式，表达的是按计划或根据原先的安排即将发生的事
The company is to give us a pay rise. 公司将给我们加薪
4. be about to be done
These difficulties are about to be overcome.这些困难即将被克服
