we are happy to receive such becautiful flowers (改为感叹句）be动词后能加动词不定式吗
来源：学生作业帮助网 编辑：六六作业网 时间：2024/12/19 13:24:13
we are happy to receive such becautiful flowers (改为感叹句）be动词后能加动词不定式吗
we are happy to receive such becautiful flowers (改为感叹句）
be动词后能加动词不定式吗
we are happy to receive such becautiful flowers (改为感叹句）be动词后能加动词不定式吗
How happy we are to receive such beautiful flowers!
这里不能理解为be 后面加动词不定式,应当把How happy we are看作是主句,to receive such beautiful flowers作为原因状语.（我们因为收到了如此美丽的花而感到多么高兴啊!)
另：你说的be to do有其他特殊的含义
一、不定式做表语
His job is to clean the room.他的工作是去打扫房子.
二、表示某种语气
1.表示“按计划、安排即将发生某事或打算做某事”.（表将来,相当于will,be going to)
She is to be seen in the lab on Monday.星期一你准会在实验室见到她.
2.该做或不该做的事情（语气上接近于should,must,ought to,have to）,表示一种命令、规劝性语气.
You are to go to bed and keep quiet,kids.Our guests are arriving in less than 5 minutes.孩子们,你们必须上床睡觉,不准吵闹.我们的客人5分钟之内就要到了.
3.能或不能发生的事情（接近can,may）
How am I to pay such a debt?（我怎么可能还得起这么大的一笔债呢?）
4.不可避免将要发生的事情,后来将要发生的事情.
.还有等等用法
How happy we are to receive such becautiful flowers !