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Subject questions and object questions
We use subject questions when we are asking about who, what, etc. did the action. We do not use an auxiliary verb after the question word if the question word (who, what, etc.) is the subject of the sentence.
- Who won the match? (NOT
Who did win… ) - What happened last night? (NOT
What did happen… ) - How many people went to the party? (NOT
How many people did go…)
When we are asking about the object (after the verb) we use the normal order of the English question: auxiliary verb + subject. These types of questions are called object questions.
Object question vs subject question
| Jack called Teresa. (Teresa = object) | Jack called Teresa. (Jack = subject) |
|---|---|
| Who did Jack call? (Who = object) | Who called Teresa? (Who = subject) |
Questions with preposition
We use questions with preposition when we ask about an element of the sentence that comes after a preposition. In questions with preposition we put the preposition at the end of the question (after the verb, or the verb + object if there is an object).
- I played tennis with John. ⇒ Who did you play tennis with? (NOT
With who did you…) - I work for a multinational company ⇒ What company do you work for?
- We usually talk about sports. ⇒ What do you usually talk about?
