请问下suppose与supposing相当于if时候的用法的不同?最好能举两个例句不好意思我可能表达不够清楚，我想问的是suppose与supposing都为如果，假如的意思时，与if的用法有什么不同？

请问下suppose与supposing相当于if时候的用法的不同?最好能举两个例句不好意思我可能表达不够清楚，我想问的是suppose与supposing都为如果，假如的意思时，与if的用法有什么不同？
请问下suppose与supposing相当于if时候的用法的不同?
最好能举两个例句
不好意思我可能表达不够清楚，我想问的是suppose与supposing都为如果，假如的意思时，与if的用法有什么不同？

请问下suppose与supposing相当于if时候的用法的不同?最好能举两个例句不好意思我可能表达不够清楚，我想问的是suppose与supposing都为如果，假如的意思时，与if的用法有什么不同？
suppose通常用在口语中,如：
Suppose there is only one unknown factor in the equation,you'll find it easy to solve the problem.
不同于祈使句,此句中 suppose 的主语是 I,意思是“我假设...”（= if I say.）.
分词结构 supposing 通常见于文章中,如：
Supposing no agreement will come into being,John has made up his mind to give it up.
在使用这种结构的时候要注意 supposing 的动作是主句主语发出的.这种用法并不含“if”的意思,而是“认为.”（= I assume.）.
Supposing 也可作连词表达 if 的含义：
Supposing we're right,what should we do?
此句中 supposing 的词义和语法功能与 if 同.

suppose 

vt. 假定；猜想，推测；认为；让（用于祈祷语气） 

vi. 想象，猜想 

(1) 假定;假设;设想 :

You can use suppose or supposing before mentioning a possible situation or action. You usually then go on to consider the effects that this situation or action might have.

Suppose someone gave you an egg and asked you to describe exactly what was inside..

. 假设有人给了你一枚鸡蛋并要你准确描述鸡蛋里面有什么。

Supposing he's right and I do die tomorrow? Maybe I should take out an extra insurance policy.

 假设他是对的，我确实明天就会死，那该怎么办？也许我应该再买一份保险

(2)动词(根据所知)认为，推断，料想

 If you suppose that something is true, you believe that it is probably true, because of other things that you know

The policy is perfectly clear and I see no reason to suppose that it isn't working... 

这项政策非常清楚明了，我没有理由认为它不会奏效。

I knew very well that the problem was more complex than he supposed... 

我很清楚那个问题比他料想的要更复杂。

It had been supposed that by then Peter would be married. 

人们一直认为到那时彼得应该结婚了。

(3) 短语我看;要我说;我想 You can say 'I suppose' when you want to express slight uncertainty

I get a bit uptight these days. Hormones, I suppose... 

这些天我有点焦躁。我看是荷尔蒙在作怪。

I suppose I'd better do some homework... 

我看我最好做做功课。

Is that the right way up? — Yeah. I suppose so... 

这是上去的路吗？——是的，我想是。

There's nothing to keep us here, is there? — I suppose not. 

这里没有什么让我们留恋的，对吧？——我想没有。

(4)短语(表示不耐烦或有些生气)我想，我看

 You can say 'I suppose' or 'I don't suppose' before describing someone's probable thoughts or attitude, when you are impatient or slightly angry with them

I suppose you think you're funny... 我想你认为自己很好笑。

I don't suppose it occurred to you to notify the police. 我看你没想过要去通知警察。

(5) (用于婉转地提出请求) You can say 'I don't suppose' as a way of introducing a polite request

I don't suppose you could tell me where James Street is could you? 

你能否告诉我詹姆斯街在哪儿？

(6) 短语(用于询问意见)你认为，你觉得 You can use 'do you suppose' to introduce a question when you want someone to give their opinion about something, although you know that they are unlikely to have any more knowledge or information about it than you

Do you suppose he was telling the truth?... 

你认为他说的是实话吗？

What do you suppose they want with her?...

 你认为他们想从她那里得到什么？

You don't suppose they'd start the trip without us, do you? 

你认为他们是不会抛下我们就上路的，对吧？

(7)短语(用于礼貌地建议或请求) 

You can use 'do you suppose' as a polite way of suggesting or requesting that someone does something

Do you suppose we could get together for a little chat sometime soon? 

我们最近能抽空聚在一起聊上几句吗？

assume, presume, suppose, guess, postulate

这些动词均含为“假设，猜想，推测”之意。

assume：指有很少或完全无根据的武断推测或不合逻辑的推理。

presume：侧重以过去经验或根据现实的某些感觉把某事认定为是事实。

suppose：常用词，意义较广泛，指缺乏确切事实，根据一些现象进行的推测，也可指为论证而提出合乎逻辑推理的某种假定，有时仅表示自己的意见。 

guess：常用词，指毫无根据仅凭个人主观臆断或碰运气的猜测。

postulate：指为证实一个理论的正确性而进行的假设。

1. I suppose your presence here today is not entirely coincidental . 我认为你今天来这里不完全是碰巧。 

   
   

2. It is ingenuous to suppose that money did not play a part in his decision. 

如果以为他的决定没有金钱的因素，那就太天真了。 

3. Getting a visa isn't as simple as you might suppose. 

办签证不像你想的那么容易。 

4. I suppose he will be back by eight o'clock. 

我想他八点钟以前会回来。 

5. How much do you suppose these old books would fetch? 

你看这些旧书能卖多少钱？ 

6. Suppose he can't come, who will do the work?

 如果他不能前来，谁来做这项工作呢？ 

7. The LCD will be much cheaper in the short run, I suppose. 

我想，要不了多久液晶荧幕就更加便宜了。 

8. Suppose they did not believe him, what would they do to him? 

要是他们不相信他，他们会对他怎样？ 

9. Suppose your father saw you, what would he say? 

你父亲要看见你，他会怎么说？ 

10. Suppose the width of a rectangle is x metres. 

设长方形的宽是 x 米。 

11. It is a fallacy to suppose that riches always bring happiness.

 认为财富总能带来幸福是一种错误的见解。 

12. Where's John? I suppose he's hived off again to his own room. 

约翰在哪儿？我想他又偷偷溜回他自己的房间去了。 

13. You haven't finished reading this book, I suppose? --No, I haven't. 

你没看完这本书吧？是的，我没看完。 

14. I should suppose him to be about fifty. 

我猜想他大约50岁。 

15. They suppose the box to contain books. 

他们猜想这箱子里装的是书。 

16. We all have our cross, I suppose. 

我想我们大家都有苦难。 

17. Never suppose yourself knowing everything.

 别以为你自己是万事通。 

18. I suppose you're splitting hairs.

 我认为你在吹毛求疵。 

19. They suppose that all rich men are wicked.

 他们以为凡是有钱人都很坏。 

20. What do you suppose that dance is? 

你认为那是什么舞？ 

Let us suppose another planet with conditions similar to those on the earth.
让我们假定另外有一个具有和地球上相似条件的行星。
Some religions suppose that there is a Heaven physically above the earth.
一些宗教认为地球上面真有...

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Let us suppose another planet with conditions similar to those on the earth.
让我们假定另外有一个具有和地球上相似条件的行星。
Some religions suppose that there is a Heaven physically above the earth.
一些宗教认为地球上面真有一个天国。
I suppose we shall be having some sort of celebration for the bride.
我想我们还是来为新娘庆贺一番吧。
You are not suppose to stay home during the weekend.
你不应该周末还呆在家里。
Suppose we dine together.
让我们一块儿吃饭吧
Supposing we opened (open) the L/C this afternoon.
我们今天下午就开证吧。
Supposing we sign the contract tomorrow.
让我们明天就签约吧。
I'm going to university, always supposing I pass my exams.
我若考试及格就要上大学了。
Supposing that there is no pure water; what shall we drink?
假如没有纯净的水，人们喝什么？

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