Помогите с номерами 2 и 3! Дам 50 баллов!!! Безотлагательно!!! Прошу!!

2) 1 Shall I...? - e

Would you like me to?

2 You needn't.. - f It isn't necessary for you to

3 We must - b We are obliged to

4 You should - a I advise you to

5 He could - d He was able to

6 It might - i it is possible

7 We could go - c Let's go

8 You mustn't - g You are forbidden to

9 May I...? - j is it OK if i?

10 He didn't have to - h it wasn't necessary for him to

Дальше не разобрался.