Modals of necessity and prohibition

Front

What is a modal verb?

Back

A modal verb is a type of auxiliary verb that expresses necessity, possibility, permission, or ability. Examples include 'must', 'have to', 'should', and 'can'.

Front

What does 'must' indicate?

Back

'Must' indicates a strong obligation or necessity. For example, 'You must finish your homework before going out.'

Front

What does 'have to' express?

Back

'Have to' expresses an external obligation or necessity. For example, 'I have to attend the meeting at 10 AM.'

Front

What is the difference between 'must' and 'have to'?

Back

'Must' is used for personal obligations, while 'have to' is used for external obligations.

Front

What does 'don't have to' mean?

Back

'Don't have to' indicates that there is no obligation to do something. For example, 'You don't have to come if you don't want to.'

Front

What does 'mustn't' indicate?

Back

'Mustn't' indicates prohibition. For example, 'You mustn't smoke in the hospital.'

Front

How do you use 'had to' in a sentence?

Back

'Had to' is the past form of 'have to' and indicates a past obligation. For example, 'I had to finish my project last night.'

Front

What is the meaning of 'need to'?

Back

'Need to' indicates a necessity or requirement. For example, 'You need to study for the exam.'

Front

When do we use 'have got to'?

Back

'Have got to' is used to express necessity or obligation, often in informal contexts. For example, 'I have got to see this movie.'

Front

What is the structure of a negative sentence with 'must'?

Back

The structure is 'must not' or 'mustn't'. For example, 'You mustn't be late for class.'