Understanding Modal Verbs in English

This video tutorial covers the use of modal verbs 'must' and 'must not' in English. It explains how 'must' is used to express necessity, obligation, and strong advice, while 'must not' indicates prohibition or negative obligation. The video provides examples and practice scenarios to illustrate correct usage, emphasizing that 'must' and 'must not' are not used in the past tense. Instead, 'had to' is used for past obligations.

What is the primary function of modal verbs in English?

• To form questions

• To describe future events

• To indicate necessity or possibility

• To express past actions

Which of the following is a correct use of 'must'?

• He musts go to school.

• She must to finish her work.

• They must arrive on time.

• We musts be careful.

What is the correct form of 'must' in this sentence: 'She ___ finish her project by tomorrow'?

• must

• musts

• must to

• musting

Which of the following is NOT a use of 'must'?

• Giving permission

• Indicating obligation

• Expressing necessity

• Making deductions

Choose the correct sentence:

• They must arrive early.

• He musts be quiet.

• She musts finish her work.

• We must to leave now.

Which sentence uses 'must' correctly?

• We musts leave early.

• You musts be careful.

• He must to go now.

• They must finish their homework.

Identify the correct sentence:

• She musts to go now.

• He must leave immediately.

• We must to be careful.

• They musts finish their work.

Choose the correct sentence:

• He must to go now.

• You musts be careful.

• They must finish their homework.

• We musts leave early.

What does 'must not' express?

• A possibility

• A past action

• A suggestion

• A negative obligation

What is the negative form of 'must'?

• Mustn'ts

• Must not to

• Mustn't

• Must nots