Modal verbs: should, must and canOnline version Checking the rule understanding by Дарья Сокур 1 "Can" is used to talk about ability. Yes No 2 We use "should" to give advice. Yes No 3 We use "should not" to talk about rules. Yes No 4 "Must" is used for stating strict rules. Yes No 5 We can use "must" when speaking with friends and strangers. Yes No 6 After modal verbs we need to use preposition "to". Yes No 7 "Should" we use to a piece of advice or recommendations. Yes No 8 When parents talk to children they use "must" or "mustn't" the most. Yes No