The pupils are reading the book now.
1 Are the pupils reading the book now?
2 What are the pupils reading now?
3 Who is reading the book now?
4 Are the pupils reading the book or the magazine now?
5 The pupils are reading the book now, aren't they?
He was writing a letter from 5 till 6 o'clock yesterday.
1 Was he writing a letter from 5 till 6 o'clock yesterday?
2 What was he writing from 5 till 6 o'clock yesterday?
3 Who was writing a letter from 5 till 6 o'clock yesterday?
4 Was he writing a letter from 5 till 6 o'clock yesterday or the day before yesterday?
5 He was writing a letter from 5 till 6 o'clock yesterday, wasn't he?
He will be visiting this museum the whole day tomorrow.
1 Will he be visiting this museum the whole day tomorrow?
2 What will he be visiting the whole day tomorrow?
3 Who will be visiting this museum the whole day tomorrow?
4 Will he be visiting this museum or this art gallery the whole day tomorrow?
5 He will be visiting this museum the whole day tomorrow, won't he?