Choose a question word for the information you need and form a clear question.
The idea
Use where for a place, when for a time and what for a thing or action. With an auxiliary, the usual order is question word, auxiliary, subject and main verb: Where do you live? If who itself is the subject, an ordinary affirmative question uses subject–verb order without auxiliary do: Who called the office?
Examples
- Where do you live?
- When does the shop open?
- Why are they late?
- What did you buy?
- Who called the office?
- Which bus goes to the museum?
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Watch out
Do not insert an unneeded did into a neutral subject question: Who called? asks who performed the action. Who did you call? asks about the person called and has a different structure.
Try it yourself
Ask for a place: ___ do you live? (Where / When)
Show answer or example answer
Where
Where asks for a place.
Ask for a time: ___ does the shop open? (When / Who)
Show answer or example answer
When
When asks for a time.
Ask neutrally which person called: Who ___ the office? (called / did call)
Show answer or example answer
called
In this ordinary question, who is the subject, so called follows it without auxiliary did.
Practice round
Answer questions and rebuild English sentences to practise. Your score is shown.
Ask for a place: ___ do you live? (Where / When)
Ask for a time: ___ does the shop open? (When / Who)
Ask neutrally which person called: Who ___ the office? (called / did call)
Tap the words in the right order.
Tap the words in the right order.
Tap the words in the right order.
Keep your progress
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Write one question about a place, one about a time and one asking which person did an action. Answer each briefly.

