1.He spent last summer in the country.
2.He did not spend last summer in the country.
3.Did he spend last summer in the country?
4.Where did he spend last summer?
5.She helped mother yesterday.
6.She did not help mother yesterday
7.Kate cooks dinner every day.
8.Kate will cook dinner tomorrow.
9.Kate is cooking supper now.
10.I won't eat ice-cream tomorrow.
11.Do you go to school every day?
12.Are you going to school now?
13.Will she go to the south next summer?
14.Did you go abroad last year?
15.What is your brother doing now?
16.What did your brother watch on TV yesterday?