Modal Verbs of Necessity and Duty: Quiz and Flashcards

When using modal verbs, what type of verb do they always need to be followed by?

Which of the following is an incorrect usage of a modal verb?

How do you form the negative form of modal verbs in Simple Present and Simple Past?

Which of the following sentences shows an incorrect usage of modal verbs in past or future tenses?

What is the special feature of 'will' when used as a modal verb?

What is the purpose of using 'not' with modal verbs?

Which modal verb expresses very strong advice?

In the past, the modal 'can' changes to:

Which modal verb is used to show future possibility or to get permission?

Which semi-modal verb shows necessity, obligation, and giving advice?

Which modal verb is used to express a strong expectation?

Which modal verb does not show tense or subject agreement?

Which semi-modal verb is used to show permission?

'Should' is used to express:

'Mustn't' indicates:

'Ought to' and '(Be) supposed to' both indicate:

Modal verbs always need to be followed by a base form of a verb (infinitive without to).

Incorrect Usage

An incorrect usage of a modal verb is when it is used with another modal verb.

Negative Form

To form the negative form of modal verbs in Simple Present and Simple Past, 'not' is added after the modal verb (e.g., can → cannot, should → should not).

Incorrect Usage in Tenses

An example of incorrect usage of modal verbs in past or future tenses is when 'will' is used with another modal verb.

The special feature of 'will' when used as a modal verb is that it is used to express future actions or events.

The purpose of using 'not' with modal verbs is to form the negative form.

The modal verb 'must' expresses very strong advice.

'Can' in the Past

In the past, the modal 'can' changes to 'could'.

The modal verb 'may' is used to show future possibility or to get permission.

The semi-modal verb 'have to' shows necessity, obligation, and giving advice.

The modal verb 'must' is used to express a strong expectation.

The modal verb 'must' does not show tense or subject agreement.

The semi-modal verb 'be allowed to' is used to show permission.

'Should'

'Should' is used to express advice or recommendation.

'Mustn't'

'Mustn't' indicates prohibition or something that is not allowed.

'Ought to' and '(Be) supposed to'

'Ought to' and '(Be) supposed to' both indicate obligation, duty, or strong advice.

Explore the usage of modal verbs to express ability, duty, necessity, and wants. Understand how modal verbs are always followed by a verb in its base form through various examples.