Modals of Necessity and Suggestion

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What are modals of necessity?

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Modals of necessity are auxiliary verbs that express obligation or necessity, such as 'must', 'have to', and 'should'.

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What are modals of suggestion?

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Modals of suggestion are auxiliary verbs that express advice or recommendations, such as 'should', 'ought to', and 'could'.

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Example of a sentence using 'must' for necessity.

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You must wear a helmet when riding a bike.

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Example of a sentence using 'should' for suggestion.

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You should eat more fruits and vegetables.

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What does 'ought to' imply?

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'Ought to' implies a recommendation or moral obligation.

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When do we use 'have to'?

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We use 'have to' to express an external obligation or necessity.

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What is the difference between 'must' and 'have to'?

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'Must' is often used for personal obligation, while 'have to' is used for external obligations.

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Can 'should' be used for strong advice?

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No, 'should' is used for mild advice; 'ought to' can be stronger.

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What does 'can't' indicate?

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'Can't' indicates prohibition or impossibility.

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Example of a sentence using 'shouldn't'.

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You shouldn't play outside when it's raining.