Have to mainly expresses general obligations, while must is used for specific obligations: I have to brush my teeth twice a day. I must tell you something. Important: To express obligation, duty or necessity in the future or the past, must and need are not used.
What is difference between must and have to?
In the affirmative form, ‘have to’ has the same meaning as ‘must’ and is used to express obligations. However, ‘have to’ is much more flexible than ‘must’ because we can use it in the past, the present and the future. For this reason it is very commonly used in modern English.
How do you use has to have to and must?
Sometimes, “must” and “have to” can be used to speak about responsibilities. However, “must” is generally used for strong personal obligations and “have to” is used for responsibilities at work and in everyday life.
Which is stronger must and have to?
On the other hand, “must” is used to convey a stronger meaning than simply “have to”, it’s more forceful. “You must be here by 1:00pm.” In this sentence, the use of “must” gives more import to the need to be here by 1:00pm.
Where is used must?
Must is used to express obligation, give orders and give advice. It can only be used for present and future reference. When the past is involved, you use have to.
How do you use have to?
We use have to / must / should + infinitive to talk about obligation, things that are necessary to do, or to give advice about things that are a good idea to do. Must and have to are both used for obligation and are often quite similar. They are both followed by the infinitive. I must go now. / I have to go now.
Which one is correct must have or must had?
There is no past tense, but had to is used for saying that something was necessary in the past: We had to show our passports. Must have followed by a past participle can be used for saying that you believe something happened in the past: They must have missed the train.
What is the similarity between must and have to?
MUST and HAVE TO are both used to express an obligation, responsibility or necessity. While Must can generally be replaced by Have to in the present tense, there is sometimes a slight difference in meaning or use.
Which is more formal must or have to?
So, where do must and have to fit in with formal and informal English? In general, “have to” is less formal than “must.” You might use have to as a command. For example: Henry has to do the dishes every Wednesday.
What is the example of must?
We can use ‘must’ in a sentence to talk about something we need to do. For example, ‘I must get my hair cut before my meeting tomorrow‘. In this sentence, we can see it is important for me to get my hair cut before the meeting.
What word is must?
Must is a modal verb. It is followed by the base form of a verb. 1. modal verb. You use must to indicate that you think it is very important or necessary for something to happen.
What is a sentence using must?
[M] [T] He must have left the water running. [M] [T] You must do what seems right to you. [M] [T] You must pay attention to his advice. [M] [T] They must have suspected me of stealing.
What is the rule for have?
Have is used with the pronouns I, you, we, and they. Has is used with he, she, and it. Have and has can indicate possession. Have and has can combine with other verbs to indicate more complex relationships with time.
Why is have to used?
We often use have to to say that something is obligatory, for example: Children have to go to school.
What type of verb is have to?
“To have” as an auxiliary verb
One of the most known uses of this verb is an auxiliary. The “to have” helps build the perfect tenses along with other verbs, and it can be used in its present or past form.
Where is must not used?
Modals of Prohibition
Finally, in order to show that something is prohibited or not allowed, we use “must not.” For example: Students must not copy their work from the Internet. It’s illegal! Children, you must not go in a stranger’s car.
What is past tense of must?
The past tense of “must” is also “must”.
Is Must a rule?
Must means that the obligation to do something comes from the speaker. In other words, it’s not a rule. Have to implies that the obligation comes from someone else; it’s something the speaker can’t change. Additionally, must expresses the speaker’s feelings, whereas have to expresses, above all, an impersonal idea.
What is the verb 3 of must?
Must verb forms
| Infinitive | Present Participle | Past Participle |
|---|---|---|
| must | musting | musted |
What does have to mean?
necessary
1. used to say that something is required or necessary. You have to follow the rules. I told him what he had to do. We have to correct these problems soon or the project will fail.
Can we use must in questions?
Must is an auxiliary verb. This means that it has a negative and an interrogative form. Do not use do/did in negatives and questions. We mustn’t arrive early.