'Have to' and 'must' have the same meaning and are used to express obligations. However, they are used in different situations and are not interchangeable.

Modals and semi-modals are special verbs that express ability, necessity, possibility, and more. They help convey mood and nuance in English sentences.

Modals and Semi-modals

Modals in English Grammar

In this lesson, you'll learn about "must," used for strong necessity or obligation, like 'You must finish your homework'. Simple explanations and exercises included.

English "Must" for Beginners

Here, you'll understand "must" (e.g., "You must go") and "have to" (e.g., "You have to leave") for obligations. Practical examples and exercises provided.

What Are "Must and Have to" in English Grammar?

This article dives into "must" and "have to" for expressing necessity and obligation. Detailed explanations and a quiz to test your knowledge.

"Must and Have to" in English Grammar

Must and Have to

Modal verbs are also known as modals and are used to give additional information about the main verb. Let us learn more about them.

Modals

"Modals" in the English Grammar

Talent shows are a big thing now in our pop culture. If you want to participate in them, you should know how to talk about your abilities. Learn about it here!

Can and Could

"Can and Could" in English Grammar

May and Might are modal verbs. Some people think they are interchangeable, especially in speech, but is there really no differences between these two?

May and Might

"May and Might" in English Grammar

These two modals are often confusing for learners, because they are used in quite similar situations. But they're different.

Will and Would

"Will and Would" in English Grammar

'Shall' and 'Should' are like relatives, because 'Should' is the past tense of 'Shall', but they have different functions despite their similarities.

Shall and Should

"Shall and Should" in English Grammar

Modal verbs like 'can', 'may', and 'should' express possibilities, abilities, and advice. They convey uncertainty, capability, and recommendations in English.

Can, May, Should

Modal Verbs 'Can', 'May', and 'Should' in English Grammar

Semi-modals are the subcategory of modal verbs. So it is good to learn the difference between modal verbs and semi-modal verbs to use them properly.

Semi-modals

"Semi-modals" in the English Grammar

'Ought to' and 'Had Better' are used for giving advice and recommendations. These are used differently and they can have different meanings. Start learning!

Ought to and Had Better

"Ought to and Had Better" in English Grammar

'Dare' and 'need' have characteristics of both modal verbs and main verbs. Because of this, they are called semi-modals. In this lesson, we'll learn about them.

Dare and Need

"Dare and Need" in English Grammar

One of the functions of this expression is to talk about repeated actions in the past which we don't do in the present.

Used to

"Used to" in English Grammar

There are many ways to talk about prediction in English. In this article, we want to learn how to predict future events.

Talking about Prediction

Talking about "Prediction" in the English Grammar

In every language, there are ways to express your feelings. Let us learn how to express willingness in English.

Talking about Willingness

"Talking about Willingness" in the English Grammar

When you want to socialize with strangers, you can talk about your abilities. What does it mean? Should we use our abilities or talk about them? Learn more.

Talking about Abilities

"Talking about Abilities" in English

Asking permission is a social skill that is a need in any culture. On the other hand, being able to allow someone to do something is another skill. Read more.

Giving and Asking for Permission

"Giving and Asking for" Permission in English

There are different ways to talk about possibilities in English. Each way has its own function. We can also express our thoughts through possibilities.

Talking about Possibilities

How to "Talk about Possibilities" in English?

Some structures in English imply something that is not optional and there is a need to do them.

Talking about Necessity

How to "Talk about Necessity" In English?

'Giving advice' actually refers to expressing your opinion about a particular thing. In this case, you express something could happen in a better way.

Giving Advice

"How to Give" Advice In English

'Deduction' means to make guesses based on former information about something. In this article, we learn how to make deductions about events.

Talking about Deduction

How to "Talk about Deduction"?

Habits are things that we do regularly, from the past to the present time. Sometimes we can use some modals and semi-modals to refer to habits.

Talking about Habits

How to "Talk about Habits" in English?

There are some modal verbs that can be used to make offers in English. In this article, we will learn about them. Click here to read more.

Making Offers

How to "Make Offers" in English?

You might know that there are two kinds of requests in English. Direct requests and indirect requests. In this article, we will focus on indirect requests.

Making Requests

How to "Make Requests" in English?

The term assumption is derived from the verb assume. In this article, we will focus on the modal verbs to learn to talk about assumptions.

Talking about Assumptions

How to "Talk about Assumption" in English

Modal expressions are not modal verbs. But they can imply the same concept as modal verbs do. These expressions are used to indicate a special mood. Read more.

Modal Expressions

What Are Modal Expressions in English?

Modal verbs change when they are used in indirect speech. In this lesson, we will learn about their structure and uses.

Modals in Indirect Speech

Modal Verbs in Indirect Speech

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https://tts.langeek.co/read?text=VGhlIE1vZGFsIFZlcmIgTXVzdA&hash=12e98fad16f874dce048c12e7bf7e5827503b3d5&lang=en&cache-only=0&driver=chatgpt

The Modal Verb Must

The modal verb '**must**' is used to talk about **rules and obligations** in the *present*.

https://tts.langeek.co/transcribe?text=U3RydWN0dXJl&hash=1c315962d80f9d0adfbd50706d7258bdebcde99d&lang=en&cache-only=0&driver=chatgpt

https://tts.langeek.co/read?text=U3RydWN0dXJl&hash=1c315962d80f9d0adfbd50706d7258bdebcde99d&lang=en&cache-only=0&driver=chatgpt

Structure

Like other modals, the __base__ __form__ of the [verb ](https://langeek.co/en/grammar/course/496/verbs) is used after 'must'.

https://tts.langeek.co/transcribe?text=WW91IG11c3QgZG8geW91ciBob21ld29yay4&hash=a26cab970a6339045bade06f67bc5541da961079&lang=en&cache-only=0&driver=chatgpt

https://tts.langeek.co/read?text=WW91IG11c3QgZG8geW91ciBob21ld29yay4&hash=a26cab970a6339045bade06f67bc5541da961079&lang=en&cache-only=0&driver=chatgpt

https://tts.langeek.co/transcribe?text=SGUgbXVzdCBwYXkgaGVyIGJhY2su&hash=2f859ee850f94fafaf2292eea53fcb8e56639ba0&lang=en&cache-only=0&driver=chatgpt

https://tts.langeek.co/read?text=SGUgbXVzdCBwYXkgaGVyIGJhY2su&hash=2f859ee850f94fafaf2292eea53fcb8e56639ba0&lang=en&cache-only=0&driver=chatgpt

https://tts.langeek.co/transcribe?text=WW91IG11c3QgYmUgcXVpZXQgYWZ0ZXIgMTAgbydjbG9jay4&hash=01e17530b3a4db7f7dd4208e927d3aaed8af87ee&lang=en&cache-only=0&driver=chatgpt

https://tts.langeek.co/read?text=WW91IG11c3QgYmUgcXVpZXQgYWZ0ZXIgMTAgbydjbG9jay4&hash=01e17530b3a4db7f7dd4208e927d3aaed8af87ee&lang=en&cache-only=0&driver=chatgpt

'Must' has **the same form** for all persons.

https://tts.langeek.co/transcribe?text=TmVnYXRpb24&hash=b351776c2b884cebcbe95eabe119de6a968296ef&lang=en&cache-only=0&driver=chatgpt

https://tts.langeek.co/read?text=TmVnYXRpb24&hash=b351776c2b884cebcbe95eabe119de6a968296ef&lang=en&cache-only=0&driver=chatgpt

Negation

The [negative](https://langeek.co/en/grammar/course/665/negation/beginner) form of must is '**must not**' or '**mustn't**'. But keep in mind that in modern everyday English, 'mustn't' and 'must not' are __not__ commonly used.

https://tts.langeek.co/transcribe?text=WW91IG11c3RuJ3QgZGlzcmVzcGVjdCB5b3VyIHBhcmVudHMu&hash=0d7e7c986db85abf720735d73711f29e18823a49&lang=en&cache-only=0&driver=chatgpt

https://tts.langeek.co/read?text=WW91IG11c3RuJ3QgZGlzcmVzcGVjdCB5b3VyIHBhcmVudHMu&hash=0d7e7c986db85abf720735d73711f29e18823a49&lang=en&cache-only=0&driver=chatgpt

https://tts.langeek.co/transcribe?text=VGhleSBtdXN0IG5vdCBmb3JnZXQgdGhlaXIgZHV0aWVzLg&hash=b0533c646c5ccd7445abda720aa73a15a1f5184f&lang=en&cache-only=0&driver=chatgpt

https://tts.langeek.co/read?text=VGhleSBtdXN0IG5vdCBmb3JnZXQgdGhlaXIgZHV0aWVzLg&hash=b0533c646c5ccd7445abda720aa73a15a1f5184f&lang=en&cache-only=0&driver=chatgpt

https://tts.langeek.co/transcribe?text=V2FybmluZw&hash=53f79584dbc499db3f867def42f1aa1d8c7fbe54&lang=en&cache-only=0&driver=chatgpt

https://tts.langeek.co/read?text=V2FybmluZw&hash=53f79584dbc499db3f867def42f1aa1d8c7fbe54&lang=en&cache-only=0&driver=chatgpt

Warning

Do __not__ use don't/doesn't/didn't with 'must.'

https://tts.langeek.co/transcribe?text=Rm9ybWluZyBRdWVzdGlvbnM&hash=c318eedd30498d31ef41040c768685f7fc2758e4&lang=en&cache-only=0&driver=chatgpt

https://tts.langeek.co/read?text=Rm9ybWluZyBRdWVzdGlvbnM&hash=c318eedd30498d31ef41040c768685f7fc2758e4&lang=en&cache-only=0&driver=chatgpt

Forming Questions

To form [questions](https://langeek.co/en/grammar/course/270/questions/beginner), simply move '**must**' to the beginning of the sentence before the [subject](https://langeek.co/en/grammar/course/64/subject). But remember that this usage is **formal** and is __not__ usually used in everyday English.

https://tts.langeek.co/transcribe?text=TXVzdCB5b3UgYmUgdGhpcyBjcnVlbD8&hash=a9302d95e89e8df255716f14b6b018f6d143fea9&lang=en&cache-only=0&driver=chatgpt

https://tts.langeek.co/read?text=TXVzdCB5b3UgYmUgdGhpcyBjcnVlbD8&hash=a9302d95e89e8df255716f14b6b018f6d143fea9&lang=en&cache-only=0&driver=chatgpt

https://tts.langeek.co/transcribe?text=TXVzdCBJIHBheSBub3c_&hash=3108e8b5451286070769955b125591cb53a4f75d&lang=en&cache-only=0&driver=chatgpt

https://tts.langeek.co/read?text=TXVzdCBJIHBheSBub3c_&hash=3108e8b5451286070769955b125591cb53a4f75d&lang=en&cache-only=0&driver=chatgpt

I	must work.
He/She/It	must work.
We/You/They	must work.

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Must and Have to For beginners