语法精讲：be+动词不定式(用法9种)
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2021年01月31日 23:54
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语法精讲：
be+
动词不定式（用法
9
种）
be+
不定式动词
“
be+不定式动词
”
在不同情况下，
可以表示很多种不同的语义。
下面便是其< br>中九种：
一、表示坚决的命令。例如：
1. This naughty boy is to stay here until the class is over.
2.
No
one
is
to
enter
this
building
without
the
permission
of
the
security
guard.
二、表示
“
计划
”
或
“
安排的事项
”
。例如：
3. Betty is to be married soon.
4. An insurance agent is to meet us this afternoon.
三、表示
“
可能性
”
。例如：
5. Are you to pay the debt for your wife?
6. The lovely puppy is nowhere to be found.
四、表示
“
意图
”
或
“
打算
”
。例如：
7. If you are to be there on time, you had better hurry.
8. If all of us are to remain friendly, we must be sincere with one another.
五、表示
“
应该
”
。例如：
9. You have done so well. You are to be rewarded.
10. Such nasty questions are to be avoided.
六、表示
“
不可避免
”
。例如：
11. Anne was wondering what was to become of her boy friend, Tommy.
12. The murderer was sentenced to life imprisonment and was never to see his
family again.
七、表示
“
假设
”
。例如：
13. If I were to do it, I would do it well.
14. Even if
you were to take a taxi now, you would not be able to arrive at
your destination on time.
八、有
“
期待将来
”
的含意。例如：
15.
The
actual
usefulness
of
the
newly
invented
equipment
is
still
to
be
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