2 You should take a course in literature
3 The police may questioning him
4 He must lying about his age
5 We can have a break in five minutes
6 She have necessary to give me a lift
7 You mustn’t throw litter in the park
8 Mother have necessary to cook tonight
9 She could have gone home
10 не знаю,сорри ((
11 She have necessary to call,but she did
12 You should having a rest