doubt的句型用法介绍
doubt有怀疑，疑虑等意思，是学习英语中的常用词，也是历年高考经常考查的词语之一。那么你知道doubt有哪些用法吗?下面店铺现将doubt的用法归纳如下，欢迎大家学习!
doubt的用法：用作名词
1. doubt后面接同位语从句
(1)doubt用在肯定句中，后面接whether引导的同位语从句。注意不可以用if替换whether。例如：
He had his doubts whether they would give him another chance to have a try. 他不能肯定他们是否会再给他一次机会试一试。
There is some doubt whether their football team will win the match. 他们的足球队会不会赢得这场比赛还不能肯定。
(2) doubt用在否定句中，后面接that引导的同位语从句。 例如：
I have no doubt that he will succeed. 我相信他会成功的。
There is no doubt that they will agree with you on this matter.
毫无疑问，他们在这件事上会同意你的意见的。
2. doubt常与about/of/as to/on等介词连用。 例如：
There is no doubt about it. 此事无可怀疑。
I have no doubt of his ability. 对于他的能力我毫不怀疑。
She has her doubts as to this being true. 她怀疑这事是否真实。 No one has any doubt on this point. 这一点没有人会怀疑。
3. 由doubt组成的一些短语
(1) no/without/beyond doubt无疑地;必定;当然。 例如：
It is no doubt difficult. 这无疑是困难的。
No doubt he didn”t mean to hurt you. 他肯定不是有意伤害你的。 Without doubt this is the best. 无可置疑，这是最好的。 Beyond doubt he will give you some advice on your study.
毫无疑问，他会给你的学习作一些指导的。
(2) in doubt怀疑;拿不定主意。 例如：
We are in doubt(about) what to do next. 我们不知道下一步要做什么。 When in doubt about the meaning of a word, consult the dictionary. 当你对一个词的意义没有把握时，就查一下词典。
(3) make no doubt of 对„„毫不怀疑。 例如：
We make no doubt of his sincerity. 我们对他的诚意毫不怀疑。
(4) throw/cast doubt on使人对„„产生怀疑。 例如：
shadow什么意思啊Galileo”s experiments threw doubt on Aristotle”s theory of falling objects. 伽利略的实验使人们对亚里士多德的落体理论产生了怀疑。
What he had done cast doubt on his honesty. 他的所作所为使人们对他的诚实产生了怀疑。
doubt的用法：用作动词
1. doubt+名词或代词。
例如：I doubt his word. 我怀疑他的话。
They doubted him before. 他们以前曾经怀疑过他。
2. doubt+宾语从句
(1) 在否定句和疑问句中，doubt后面接that引导的宾语从句。 例如：
I don”t doubt that he can finish the task on time. 我相信他能按时完成任务。 Do you doubt that she will succeed? 你怀疑她会成功吗?
(2) 在肯定句中，doubt后面一般接whether或if引导的宾语从句。 例如：
I doubt whether they can swim across the river. 我怀疑他们能否游过河去。 He doubts if she will keep her word. 他不敢肯定她是否会遵守诺言。
注意：在肯定句中，doubt后面也可以接that引导的宾语从句，但表示疑虑较大或“不相信”。例如：
We doubt that they can complete the work ahead of time. 我们不相信他们能提前完成这项工作。 I doubt that he will come. 我看他未必会来。
doubt的用法例句：
1. There can be little doubt that he will offend again.
毋庸置疑他还会再犯的。
2. They have the usual quota of human weaknesses, no doubt.
毫无疑问，他们身上也有人所共有的弱点。
3. This new information does throw doubt on their choice.
这个新信息确实使人们对他们的选择产生了怀疑。
4. There was no doubt in his mind that the man was serious.
在他看来，这个人无疑是认真的。
5. I do not doubt that the bank acted properly.
我毫不怀疑银行的处理方式是妥当的。
6. Few in Westminster doubt that the government will win the day.
在英国议会中，几乎没有人对政府将会获胜存有怀疑。
7. It was without a shadow of a doubt the best we've played.
毫无疑问这是我们表现最出彩的一次。
8. At first I gave him the benefit of the doubt.
起初，我姑且相信了他。
9. I have no doubt that we are polluting the environment beyond redemption.
我丝毫都不怀疑我们对环境的污染是不可挽回的。
10. A referendum showed beyond doubt that voters wanted independence.
全民公决无疑显示选民支持独立。
11. There are factors, however, that have cast doubt on the statue's authenticity.
然而，有些因素让人对该雕塑的真伪产生了怀疑。
12. There was no doubt he was serious, it wasn't just playing around.
毫无疑问他很认真，那可不是闹着玩的。
13. They would no doubt welcome the action with open arms.
他们无疑将热烈欢迎这一举动。
14. White was in no doubt the referee made the correct decision.
怀特确信裁判作出了公正的判罚。
15. Local inhabitants haven'tthe slightest doubt as to who is the rightful owner.
当地居民对谁是合法所有者没有丝毫疑问。

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