1,关于doubt用法的选择题

The doubt that whether she passed the exam will soon be clear. 这里是同位语 Any doubt please feel free to contact 这个就不是了

关于doubt用法的选择题

2,doubt的单复数用法

作“疑问”的意思,一般用单数:There is no doubt that America is deep in love with the computer.作“疑虑”的意思,一般用复数:Please dismiss all doubts about it.
牛津上说 可以作可数名词也可作不可数名词

doubt的单复数用法

3,doubt与 if用法有什么区别

doubt 动词, if 引起从句doubt指对其后所述的事实表示“怀疑、不相信”。后面可接名词或代词作其宾语;也可接宾语从句。接从句时,其肯定句接whether或if引起的从句;否定句和疑问句则接that引起的从句。如:I doubt if he will come.我担心他不会来了。I dont doubt that it will rain today.我相信今天会下雨。

doubt与 if用法有什么区别

4,doubt的用法

语法上讲,that 和whether都对,关键是这句话想表达的是说话人不确定“她”是否会改变想法。如果用that,阀鸡脆课诒酒错旬氮莫那这句话的意思是“我怀疑她要改变想法这一事实”,言外之意就是“我觉得她不会改变想法”,是对that后面的“she will change her mind”的怀疑。doubt和suspect的区别suspect意思为嫌疑犯(名词),用语形容词的时候可以修饰名词,意思上和犯罪之类的意思联系在一起,另外,像猪流感疑似病理中也用suspectdoubt多表示说话人根据自己的经验,知识等做出的判断,对某一事实的真实性表示怀疑。经常会说 i doubt it.
doubt:怀疑,不信doubt about后面接单词或词组,这里doubt既可以做动词,也可以做名词。例如:Now I doubt about the meaning of love. There is no doubt about my love.doubt that 后面接句子,对对某个已发生的事或将要发生的事进行怀疑,如:I doubt that he marries my daughter for money.我怀疑他和我女儿结婚不是为了钱。doubt if/whether后接句子,对事情是否会发生或存在进行怀疑 Now I doubt if there true love lives.试比较I doubt if she will change her mind.我怀疑她是否会改变想法。I doubt that she will change her mind.意思是我恐怕她不会改变想法。

5,求doubt的用法

一、doubt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。 二、doubt用作名词 1. 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。 2. doubt后面接同位语从句 (1)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。 3. 由doubt组成的一些短语 (1)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。 (2)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。 (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。 She made no doubt of what he had said. 她对他所说的话毫不怀疑。 (4)throw/cast doubt on使人对……产生怀疑。例如: 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既可用作动词,也可用作名词。现将其用法归纳如下。 一、doubt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 finishthe task on time. 我相信他能按时完成任务。 Do you doubt that she willsucceed? 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 swimacross the river. 我怀疑他们能否游过河去。 He doubts if she will keep herword. 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 completethe 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。 二、doubt用作名词 1. doubt常与about/of/as to/on等介词连用。例如: There is no doubt aboutit. 此事无可怀疑。 I have no doubt of hisability. 对于他的能力我毫不怀疑。 She has her doubts as to thisbeing true. 她怀疑这事是否真实。 No one has any doubt on thispoint. 这一点没有人会怀疑。 2. doubt后面接同位语从句 (1)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 willsucceed. 我相信他会成功的。 There is no doubt that they willagree 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 theywould 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 theirfootball 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。 3. 由doubt组成的一些短语 (1)indoubt怀疑;拿不定主意。例如: We are in doubt(about) what to donext. 我们不知道下一步要做什么。 When in doubt about the meaningof 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。 (2)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 hurtyou. 他肯定不是有意伤害你的。 Without doubt this is thebest. 无可置疑,这是最好的。 Beyond doubt he will give yousome advice on your study. 毫无疑问,他会给你的学习作一些指导的。 (3)makeno doubt of 对……毫不怀疑。例如: We make no doubt of hissincerity. 我们对他的诚意毫不怀疑。 She made no doubt of what he hadsaid. 她对他所说的话毫不怀疑。 (4)throw/cast doubt on使人对……产生怀疑。例如: Galileo”s experiments threwdoubt 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 onhis honesty. 他的所作所为使人们对他的诚实产生了怀疑。

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