A2sentence structure문제 17개
Questions and negatives
규칙
Turning a statement into a question or a negative is a mechanical operation in English, and the mechanics are worth doing slowly until they are automatic.
기억할 것
- Identify the helper: be, a modal, have in a perfect, or none.
- With no helper, insert do, does or did and return the verb to base form.
- A question word goes first, and the inversion happens behind it.
피해야 할 흔한 함정
When the question word is the subject, there is no inversion and no do at all: who called you keeps statement order.
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