I have to leave at 7.00., I need to leave at 7.00., I mustn’t leave at 7.00., She doesn’t have to wake up early., She needn’t wake up early., She mustn’t wake up early., We mustn’t use our hands to touch the ball. We must use our feet., We don’t have to use our hands to touch the ball. We use our feet., We need to use our feet, and not our hands, to touch the ball..

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