1) (are) the children listening to their teacher now?
2)What (were) you doing when I rang you?
3)What (are) they looking at now?
4)The child (is) sleeping, (is) he not?
5)He (was) not reading a book at 7 yesterday, (was) he?
6)What a beautiful song they (are) singing?
7) (are) they going to school or home now?
8)Who (was) dancing at the party yesterday?
9)The teacher (is) not writing on the blackboard now, (is) he?
10)Where (are) the pupils playing football now?
11)Why (are) you going to bed so late?
12)They (were) talking too much at the lesson yesterday.
13)What (are) you carrying in your bag? Show me!
14)I (am) learning an English poem now.
15)What a nice picture Pete (was) drawing when I came in!
16)Look! It (is) snowing again!
17)They (are) celebrating something now, (are) they not?
18)You (are) speaking too loudly!
19)Who (is) crying next door?