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Unless的用法总结实用5篇

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语法学习:Unless 的用法1

Unless 的用法

一、unless的基本用法

连词unless:意为“除非……如果不……”,“除了……”,多引导一个否定意义的真实条件句,有时也可引导非真实条件旬。

unless引导条件句时

(1) 主句为肯定句。

如:

Unless I visit every bookstore in shall not know whether I can get what l want.

如果我不到城里每一家书店去看看,我就不知道是否能买到我想要的书。

You will miss the bus unless you hurry up.

你要不快点就会错过班车。

You’ll fail in chemistry again unless you work harder.

如果你不再加把劲,你化学考试还会不及格。

(2) 主句为否定句。

如:

Unless you oil the motor won’t run smoothly.

要不是你经常给发动机上油。它就不会转得那么顺畅。

I wouldn't be saying this unless I were sure of the facts.

要是我对这些事情没有把握,我就不说这话了。

You will never get anywhere unless you have set your goal.

如果你不设定目标,你哪儿也去不了。

学而不思则罔,思而不学则殆。上面的5篇Unless的用法总结是由山草香精心整理的unless范文范本,感谢您的阅读与参考。

小词不简单 unless口语用法指南2

STRUCTURE

结构

As mentioned above, unless is a conjunction which we use in conditional phrases. In written English, the clause that follows unless is the subordinate clause (SC) meaning that it needs a main clause (MC) to make a complete sentence. It is similar to how we use if in conditional phrases.

之前提过,unless是在条件句中使用的连词。在书面语种,使用unless的从句叫做从属句(SC),需要主句(MC)让句子完整。这就像if在条件句里的用法一样。

When unless comes before a main clause we use a comma:

unless放在主句之前加逗号:

Unless it rains, we’ll go for a pic tomorrow.

[en](SC) (MC)

[/en]

除非下雨,否则我们明天去野餐。

When the main clause comes first, no comma is required:

主句在前,不需要逗号:

They won’t come unless you invite them.

[en](MC) (SC)

[/en]

除非你邀请他们,否则他们不会来。

Unless is like If in that we don’t not use will/would after it. We only use the present simple tense.

像if一样,我们不会在unless后面使用will/would。只使用一般现在时。

Unless I hear from you, I’ll see you at 5pm.

除非你通知我,否则我和你下午5点碰面。

HOW DO WE USE “UNLESS”?

如何使用“unless”?

Unless and if not

unless和if not

Ok, so unless is similar to “if …..not” and together they mean “except if”。 Note: We refer to real conditional situations and NOT impossible situations.

unless和if…not很相似,它们都表示“除非”。注意:我们指的是真实的条件情况,而不是不可能的情况。

If you don’t study, you will fail your exam./ Unless you study, you will fail.

如果你不学习,你考试就过不了。/除非你学习,否则你就过不了考试。

We could eat at Frankie and Benny’s if they’re not closed on a Monday/ We could eat at Frankie and Benny’s unless they are closed on a Monday.

如果弗兰基&班尼餐馆周一不关门,我们可以在那吃饭。/除非弗兰基&班尼餐馆周一关门,否则我们就在那吃饭。

I’ll make dinner if nobody wants to/ I’ll make dinner unless someone else wants to.

如果没人想做饭的话,我做吧。/除非没别人想做饭,那么我就来做吧。

If you don’t stop smoking, you will feel bad/ Unless you stop smoking, you will feel bad

如果你不戒烟,你会不舒服的。/除非你戒烟,不然你会感觉不舒服。

Note that the sentence after unless is always a positive sentence. You cannot have a negative sentence after unless because that would make the sentence a double negative and senseless.

注意:unless之后的句子总是肯定的。在unless之后不能接否定句,因为这就造成了双重否定,句子没有意义。

Example: Unless you don’t study, you will fail. (????)

例句:除非你不学习,否则你就会失败。(小编注:即使是此句的中文译文也是一个有语义问题的病句,双重否定后使句子无逻辑意义了,符合逻辑的句子应该是“除非你学习,否则你就会失败。”)

..arning: Typical Error

警告:典型错误

We don’t use “unless” when we mean if.

表示“如果”的时候不用unless。

Example: If you feel ill, I can drive/ Unless you feel ill, I can drive

例句:如果你觉得不舒服,我来开车吧。/除非你觉得不舒服,否则我来开车吧。

Spoken English

口语

When speaking, we use unless to introduce an extra thought or piece of information:

说话的时候,我们用unless表达一些额外的思考或者是信息:

He didn’t even know about the crash – unless he’d heard about it on the radio.

他都不知道那场空难—除非他在广播上听说了。

A: Oh look. Neil next door’s got a new car.

A:看!尼尔的邻居有了辆新车!

B: Unless they’ve got a visitor.

B:除非他们来客人了。

HOW ABOUT “NOT UNLESS”?

not unless的用法呢?

Not unless is similar to only if

not unless和only if相似

Example:

例句:

Shall I tell Liz what happened? Not unless she asks you (= only if she asks you)

我需要告诉利兹发生的事吗?除非她问起来。

Will you come shopping with me? Not unless you offer me lunch (= only if you offer me lunch)

你和我一起去逛街吗?除非你给我提供午餐。

unless的用法例句:3

1. The targets would not be achieved unless other departments showed equal commitment.

除非其他部门同样努力,否则这些目标无法达成。

2. Training is worthless unless there is proof that it works.

除非能证明训练有效,否则就是白搭。

3. The South African mailboat arrived on Friday mornings unless bad weather intervened.

除非受恶劣天气干扰,南非邮船一般在星期五上午抵达。

4. All bitches should be spayed unless being used for breeding.

除非是用作种犬,所有的母犬都应摘除卵巢。

5. I tend to forget things unless I mark them down.

除非把事情记下来,否则我常常会忘事。

6. No-one could use the computer unless they had a password.

除非知道密码,否则谁也用不了那台计算机。

7. The conservatory will get very hot in summer unless shading is used.

夏天如果不用遮光罩的话,暖房会变得特别热。

8. Unless these questions are solved, the region will remain a powder keg.

除非这些问题得到解决,否则该地区会一直是个火药桶。

9. She refused to testify, unless the murder charge against her was dropped.

除非撤销对她的谋杀指控,否则她拒绝作证。

10. Why did you need a room unless you were up to something?

除非你要搞什么小动作,不然你为什么单要一间房?

11. Such schemes mean little unless they impact on people.

这些计划没什么意义,除非它们对人民产生影响。

12. Such attitudes are valueless unless they reflect inner cognition and certainty.

这种态度如果不能反映内心的认知和把握就毫无价值。

13. I'm not happy unless I ride or drive every day.

只有每天骑车或开车我才会开心。

14. He resolutely refused to speak English unless forced to.

除非迫不得已,否则他坚决不说英语。

15. Unless you respect other people's religions, horrible mistakes and conflict will occur.

如果不尊重别人的宗教信仰,就会祷下大错,酿成冲突。

unless的用法大全:4

unless的用法1:unless所引导的条件状语从句常用一般现在时表示将来意义,主句多用一般将来时。unless在表示“除非”时,如其引导的从句谓语是be,而从句的主语跟主句的主语相同时,从句的主语和be就可省略。有时从句中主语为it时,也可省略it或从句中的有关成分。

unless的用法2:在unless引导的肯定形式的条件从句中通常用肯定词,如:already, still, some, too。在unless引导的否定形式的条件从句中通常用否定词。

unless的用法3:unless表示条件时后可接现在分词短语。

unless的用法4:unless还可用作介词,意思是“除…以外”。例如:Nothing will come out of it,unless disaster.这件事除了引起灾祸以外不会有什么结果。

unless 与 if ... not 的用法区别(知其然,知其所以然5

两者都可表示否定的条件,有时可换用。如:

Come tomorrow unless I phone [if I don’t phone]. 要是我没有打电话,明天就来。

You won’t catch the train unless you hurry [if you don’t hurry]. 你要是不赶快,你就赶不上火车了。

但是在下列情况下,通常要用 if ... not 而不用 unless:

1. 当所述条件要引出一种新的想法或情况时。如:

I’ll be angry if I’m not invited to the party. 如果不邀请我参加晚会,我会生气的。

I will be surprised if he doesn’t have an accident. 他要是不出事,我倒感到奇怪了。

2. 当要引出一个表示假想的条件句时。如:

If he weren’t so silly, he would understand. 他要不是那样傻的话,他就会明白了。

If I hadn’t stopped her, she would have jumped down. 要不是我阻止了她,她就跳下去了。

注:

偶尔可见到 unless 用于假想条件句,但有不少语法家反对这一用法,建议学生不要模仿。顺便说一句,unless 有时用于引出一个补充前言的话,此时若谈论的是过去的情况,注意不要与表示想象的条件句相混淆。如:

I couldn’t have got to the meeting on time — unless I had caught an earlier train. 我不可能及时赶到会场,除非我赶上了较早的一班火车。

若将上句中的 unless 换为 if ... not,则意思有很大差别:

I couldn’t have got to the meeting on time if I had not caught an earlier train. 要是我没有赶上早一班火车,我就不可能及时到会了。

英语角小词不简单,unless用法大全

STRUCTURE

结构

As mentioned above, unless is a conjunction which we use in conditional phrases. In written English, the clause that follows unless is the subordinate clause (SC) meaning that it needs a main clause (MC) to make a complete sentence. It is similar to how we use if in conditional phrases.

之前提过,unless是在条件句中使用的连词。在书面语种,使用unless的从句叫做从属句(SC),需要主句(MC)让句子完整。这就像if在条件句里的用法一样。

When unless comes before a main clause we use a comma:

unless放在主句之前加逗号:

Unless it rains, we'll go for a pic tomorrow.

除非下雨,否则我们明天去野餐。

When the main clause comes first, no comma is required:

主句在前,不需要逗号:

They won't come unless you invite them.

除非你邀请他们,否则他们不会来。

Unless is like If in that we don't not use will/would after it. We only use the present simple tense.

像if一样,我们不会在unless后面使用will/would。只使用一般现在时。

Unless I hear from you, I'll see you at 5pm.

除非你通知我,否则我和你下午5点碰面。

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