Yes/No question: Did she buy a return ticket? Wh-question: Who bought a return ticket? What ticket did she buy? Tag question: She bought a return ticket, didn't she? Choice question: Did she buy a return ticket or not? Hypothetical question: What would she do if she didn't buy a return ticket?
Did she buy a return ticket?
Wh-question:
Who bought a return ticket?
What ticket did she buy?
Tag question:
She bought a return ticket, didn't she?
Choice question:
Did she buy a return ticket or not?
Hypothetical question:
What would she do if she didn't buy a return ticket?