1 They bought a new car yesterday.
Did they buy a new car yesterday?
They bought a new car yesterday, didn't they?
Did they buy a new car or bike yesterday?
Who bought a new car yesterday?
What did they buy yesterday?
2 She is reading now.
Is she reading now?
She is reading now, isn't she?
Who is reading now?
What is she doing now?
Is she reading or writing now?
3 Tom will travel to Spain next summer.
Will Tom travel to Spain next summer?
Tom will travel to Spain next summer, won't he?
Will Tom travel to Spain or Italy next summer?
Who will travel to Spain next summer?