ex.3)
1.No, they aren`t.
2.Yes, we do.
3.I don`t think she is.
4.No, she doesn`t.
5.Yes, it is.
6.Yes, it does at this time of year.
7.No, they don`t.
8.Yes I am. Why is he late?
9.No, I don`t.
10.No, we aren`t. Maybe tomorrow.
ex.4)
1.You are having breakfast at the moment.
2.He reads the morning paper every day.
3.It doesn`t rain much in Spain.
4.You`re not doing your work on that computer(it`s busy).
5.Are you drinking cola now?
6.Do they drink tea every day?