1 I'll pay
2 I'll have taken care of everything by the time you get back.
3 After Tom finishes eating, he'll take a walk before he returns home.
4 If you are tired, we won't go shopping.
5 What will she buy him...
6 Granny will have cooked dinner by the time we come home.
7 I won't give you...
8 Sue will have drunk two cups of coffee by the time she leaves for her office.
9 ... he will have had his car for five months.
10 ... manager will have phoned all the clients.
11 What time will Jim return this evening? He will have returned by six.
12 My mother will come home at seven. I'll have done all the lessons by the time he comes.