English Grammar Lesson - Using ‘must’ correctly in sentences and questions.

English Grammar Lesson - Using ‘must’ correctly in sentences and questions.

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In this English Grammar Lesson you will learn how to use ‘must’ correctly. ‘Must’ is a modal verb. It has different meanings depending on how it is used. In this lesson, you will take a look at some example sentences and forming questions using ‘must’.

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Example: I must finish the work before I leave. ( an obligation one imposes on himself)
Example: this must be the correct address. (shows certainty)
Example: You must visit the dentist. (a strong recommendation)

When ‘must’ is put in negative, it indicates prohibition of something.

Example: She must not use abusive language.
Example: You must not play with fire.

There is no past form of ‘must’. ‘Had to’ is used.
Example: I had to wake up early.

When ‘must’ is used with a past participle verb, it means a past probability.
Example: She must have found the keys.
Example: They must have reached on time.

Must is also used as a noun, when you say something is a necessity.

Example: Speaking English is a must.
Example: Education is a must.