Unit 15 (What time did you arrive?)
WH-questions are questions starting with WH-words ( what, when, where, how).
Question words are used to ask about information(times, places, things,…….)
We can form WH-questions as :
Wh-word + did+ subject + main verb …?
1- What did you watch?
2-When did you watch the film?
3-Where did you watch the film?
4-How did you watch the film?