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Apuntes

```plaintext 1A GRAMMAR BANK • Subtopic: Question Formation 1. How long have you been waiting? How many children does your sister have? Should we buy her a present? Why didn't you like the film? Isn't this a beautiful place? Don't you have to be at school today? What are they talking about? Who does this bag belong to? Who lives in that house? How many people follow you on Twitter? 1. We make questions with tenses where there is an auxiliary verb (be, have, etc.) and with modal verbs (should, must, etc.) by inverting the subject and the auxiliary/modal verb. With the present and past simple, we add the auxiliary verb do/does or did before the subject. 2. We often use negative questions to show surprise when we expect somebody to agree with us, or to check whether something is true. 3. If a verb is normally followed by a preposition, e.g., talk about sth, the preposition comes at the end of the question, not at the beginning. NOT About-what-are-you-talking? 4. We often just use the question word and the preposition, e.g., A: I'm thinking. B: What about? 5. When who/what/which, etc., is the subject of questions in the present or past simple, we don't use do/did, e.g., Who wrot...