Words / A1

MUST/mʌst/

The rule or the situation says it is necessary: you must stop. Must + verb (base form), no to: must go, not “must to go.” Have to is a close everyday pair. Must not (mustn't) means “do not do this.” Past ideas usually switch to had to.

Meaning

Used to say that something is necessary.

Examples

• “You must wear a seat belt.”
• “Students must arrive on time.”
• “You must not use your phone in class.”

Good to know

must + verb (no to). Similar: have to. must not = do not do it.

Near in meaning

have to

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