Froggy Jumps Modal ManiaOnline version Test your knowledge of modals for permission with these quiz questions! by marco rabadan 1 Which modal verb is used to ask for permission? a Must b Will c Can 2 What is the negative form of 'Can' for permission? a Cannot b Can't c Could 3 Which modal verb is used to give permission? a Should b May c Would 4 What is the past form of 'May' for permission? a Mayn't b Might c Mays 5 Which modal verb is used to express lack of permission? a Shouldn't b Can't c Mustn't 6 What is the difference between 'Can' and 'May' for permission? a 'Can' is for requests, 'May' is for offers b 'Can' is for offers, 'May' is for suggestions c 'Can' is informal, 'May' is more formal 7 Which modal verb is used to ask for formal permission? a Could b Might c Shall 8 What is the past form of 'Could' for permission? a Couldn't b Could c Coud 9 Which modal verb is used to give strong permission? a Could b May c Must 10 What is the negative form of 'Must' for permission? a Mustn'tn't b Mustn't c Mustn