Помогите сделать задание по английскому!

Make up questions.
Yes or No questions.
1.The man is waiting for you.
2.The children were playing in the garden from 9 till 11 a.m.
3.The delegation is arriving at 6 p.m.
4.She will be working at;all day next Sunday.
5.The boy was taking an exam at 3 yesterday.
6.They will be discussing that problem for 4 hours.
7.I'm playing chess now.
8.We are having a meeting just now.
9.Tomorrow she will be making a dress for her daughter.
10.Last year we were having problems with Chinese grammar.