30 read these sentences and rewrite them using the modal verbs in the brackets in the correct form. don't forget about full stops. example 0. you are allowed to go to the party. (can) answer 0. you can go to the party. 1. i advise you to work harder. (should) 2. mark is obliged to close his account. (have to) 3. it’s against the rules to ride a bike without a helmet. (mustn’t)