在英语中,当我们想说某件事必须或必须要做时,我们使用“Must”和“Have to”两个词。“Must”定义了做某件事的紧迫性,“Have to”表示其他人强加的义务。
让我们看看下面这些例子,以便更好地理解它们:
Police have to arrest the criminals as soon as possible. Criminals must be life-sentenced.(警察必须尽快逮捕罪犯。罪犯必须被判终身监禁。)I went to meet the doctor, but he was not at the clinic. The receptionist said, “You have to wait, the doctor must be on the way.”(我去见医生,但他不在诊所。接待员说:“你得等一下,医生一定在路上。”)You must take a stand for yourself, or else you have to follow others command.(你必须为自己辩护,否则你必须听从别人的命令。)在上面的例子中,您可能已经观察到“Must”一词用于表示“必要性”或“需要时间”。 相反,“Have to”代表主体的义务或责任,以特定方式行事。
对比一下
Must的定义用法
“Must”这个词是用来表达根据情况做某事的强迫性或必然性,这是不可忽视的。其使用方法如下:
它表明发生了绝对必要的事情:Some corrections in the Project must be made.(必须在项目中进行一些更正。)One must be influential, to become a leader.(一个人必须有影响力,才能成为领导者。)Candidate must be an expert in the subject, to apply for this job.(应聘者必须是这方面的专家才能申请这份工作。)You mustn’t be late for the exam.(你考试一定不要迟到。)强调某件事:I must say, you are really a kind-hearted and gentle human being.(我得说,你真是一个善良、温柔的人。)表示某物的可能性:You must be busy.(你一定很忙。)Joe must be coming by train.(乔一定是坐火车来的。)Prince is not here, He must have left for the office.(王子不在这里,他一定是去办公室了。)感叹:You must be fooling me!(你一定在愚弄我!)表明义务:The boss said, “You must complete the project by November, this year.”(老板说:“你必须在今年11月前完成这个项目。”)发表评论或意见:You must be wondering, how I completed this.(你一定在想,我是怎么完成的。)You must ask yourself, whether the decision is right or not?(你必须问问自己,这个决定是否正确?)Have to的定义用法
当某人被迫或必须做某件事时,我们用“Have to”这个词。因此,它表示强加给某人的义务。让我们通过示例来了解它的用途:
表示必须做些什么:She has to go to America, on the launch of a new product.(在推出新产品时,她必须去美国。)I have to mail the letter by today itself.(我今天得自己寄这封信。)Every person has to follow the traffic rules.(每个人都必须遵守交通规则。)表达规则所要求的东西:You have to hold the luggage carefully.(你得小心拿行李。)You have to stay silent if you are in the hospital.(如果你在医院,你必须保持沉默。)强调某件事:I have to say; you did a fantastic work.(我不得不说,你做了一件了不起的工作。)建议或评论某人:You don’t have to be an expert in science to understand the law of gravity.(你不必成为科学专家就能理解重力定律。)To get good marks in exams, you have to study hard.(为了在考试中取得好成绩,你必须努力学习。)You have to be smart, to win this game.(你必须聪明,才能赢得这场比赛。)Must和Have to之间的关键区别
Must和Have to之间的区别可以根据以下几点清楚地掌握:
我们用“Must”这个词来表示某物的必要性,它表示行为的紧急性。另一方面,“Have to”是指由于某种外部压力,受试者必须以特定的方式行动。“Must”是情态动词,“Have to”是一个半情态动词,在这个意义上,作为情态动词,它与动词一起用来表达必要性,但在它的构成中起着普通动词的作用。“Must”和“Have to”都谈到了义务,但“Must”强调了个人义务,“Have to”强调了外部义务。“Must”表示主体认为必要的内容,但“Have to”表示主体必须做一些事情。“Must”对于所有代词都是相同的,如:“I must”、“He must”等。“Have to”则根据代词进行匹配,如:“I have to”、“He has to”等。否定句和疑问句可以使用“Must”而不使用辅助动词,如“Must we?”来创建。另一方面,如果我们在否定句和疑问句中使用“Have to”,那么我们需要使用辅助动词,比如“I don't have to”,或者“Does she has to?”。再举几个例子
Must
Do you have to go to the library?(你必须去图书馆吗?)Kate has to travel a lot because of her job.(因为工作,凯特不得不经常出差)Robin had to do everything by himself when he was in London.(罗宾在伦敦时必须自己做每件事。)Have to
CVs must be received by tomorrow 8 pm.(简历必须在明天晚上8点前收到。)You must take an appointment to meet the doctor.(你必须预约去见医生。)I must call the police and inform about the crime.(我必须报警并告知犯罪情况。)如何记住差异
记住这两者的区别的最好方法是,当你认为有必要做一些事情时,你可以使用“Must”,但当你必须(不得不)做一些事情时,使用“Have to”。此外,单词“must”在所有三个时态中保持不变,而“have to”在过去时和将来时中分别变成“had to”和“will have to”。
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