1) Modal verbs: SHOULD/OUGHT TO + SHORT INFINITIVE 2) Past: S+ should/shouldn't / ought to/oughtn't to + HAVE + PAST PARTICIPLE 3) NEGATIVE: MUSTN'T ≠DON'T HAVE TO 4) Must -used to describe something we see as necessary. There must be global action on climate change 5) Can - used to talk about general truths. As a nation we can provide better jobs for the youth. 6) Should be + ‘-ing’ is used to describe something we expect to happen.  7) May’ can be used with a selection of adverbs such as ‘never’, ‘just’ or ‘only’.

Modal Verbs

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