Compléter 'Must', 'have to', 'don't have to' and 'needn't' - Revision ActivityVersion en ligne A rewriting activity for revision mostly to recall the modal verbs of obligation. par Marharyta Yemets 1 Using the words in brackets , rewrite the sentences so that they have the same meaning . 1 . It isn't necessary for you to help me . ( needn't ) - You needn't help me . 2 . It's compulsory for us to wear school uniforms . ( have to ) . 2 3 . You aren't allowed to talk in the exam . ( mustn't ) . 3 4 . It's important that I'm not late . ( mustn't ) . 4 5 . It's important that you listen to me . ( must ) . 5 6 . We are obliged to study maths at school ( have to ) . 6 7 . You needn't write the answer . ( have to ) . 7 8 . It's important for Jake to revise hard for his exams . ( must ) exams .