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be to do的用法区别

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问题更新日期:2024-08-30 01:22:01

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be to do的用法区别,麻烦给回复
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最佳答案

be to do共有八种用法:表示坚决的命令、表示“计划”或“安排的事项”、表示“可能性”、表示“意图”、表示“应该”、表示“注定”“不可避免”“必然发生”、用于虚拟语气,表示一种假设、有“期待将来”的含义。

1.表示坚决的命令,可译为“必须”。If you are to be there on time, you had better hurry.要想准时到达那儿,你最好快点。

(2)If all of us are to remain friendly, we must be sincere with one another.要想保持友谊,我们都必须真诚相待。

5. 表示“应该”。

(1)You have done so well. You are to be rewarded.你做的很好,你应该受到奖赏。

(2)Such nasty questions are to be avoided.你应该避免这种下流的问题。

(3)You are to call the police.你应该报警。

6. 表示“注定”“不可避免”“必然会发生”。

(1)Anne was wondering what was to become of her boy friend, Tommy.安妮不知道她的男朋友托米会出什么事。

(2)The murderer was sentenced to life imprisonment and was never to see his family again.杀人犯被判终身监禁并且永远不能和家人见面。

(3)She did not think too much of her unkind acts.However,they were to be harmful to herself,too.她对她不友好的行为并没有想太多,然而,这些行为必将给她带来不利。

(4)Tom wasn’t worried about his head injury,but it was to be troublesome for him later.汤姆不担心他头部的伤,但是以后这损伤必将给他带来麻烦。

(5)You are to answer for what you have done.你必将为你所做的事承担后果。

7. 用于虚拟语气,表示一种假设。

(1)If I were to do it, I would do it well.这件事如果我来做,我会做好它。

(2)Even if you were to take a taxi now, you would not be able to arrive at your destinaton on time.现在即使坐出租车,你也不会准时到达目的地的。

8. 有“期待将来”的意思。

(1)The actual usefulness of the newly invented equipment is still to be determined.这种新发明出来的设备的实用性如何还有待观察。

(2)Henry's appointment with the accountancy firm is yet to be confirmed.亨利与这家会计事务所的约定还有待确认。

其他回答

be to do,be going to do,和be about to do的区别为:含义不同、用法不同、侧重点不同。

一、含义不同

1.be to do

释义:要做的事。

例句:

Iassureyouthatshecanbetrustedtodothejob.

我担保她能做好这项工作。

2.be going to do

释义:将要做的。

例句:

I'llbehangedifshe'sgoingtodothat!

我绝不会让她那样做!

3.be about to do

释义:准备好了。

例句:

IfIwereyouI'dbethinkingaboutwhattodowiththatinformation.

如果我是你,就会想想该怎么办。

二、用法不同

1.be to do

用法:事先商定、安排或准备要做的事情。

2.be going to do

用法:将要发生的事情或打算最近要进行的动作。

3.be about to do

用法:即将发生的动作,在时间上指最近的将来。

三、侧重点不同

1.be to do

解析:表示可能性,必要。

2.be going to do

解析:在含有条件状语从句的主从复合句中,主句一般不用be going to,而常用will。

3.be about to do

解析:不能再加时间状语。