1 She sleeps in the living every day.
2 She slept in the living 3 weeks ago.
3 She will sleep in the living tomorrow.
4 She will be sleeping in the living at 5 o'clock tomorrow.
5 She was sleeping in the living when he came.
6 Look! She is sleeping in the living room.
7 We watched TV during 1 hour yesterday.
8 We were watching TV from 3 till 5 .
9 We are watching TV at present moment.
10 We usually watch TV.
11 They swam in the river.
12 They will swim in the river next week.
13 They were swimming in the river at 5 o'clock yesterday.
14 They sometimes swim in the river.
15 Kate is singing a song.
16 Kate will be singing a song the whole evening tomorrow.
17 Kate sang a song last year.
18 Listen! The students are doing homework.
19 The students always do homework.
20 The students were doing homework from 4 till 7.