1. Yes/no questions (closed questions) 1.1 'to be' •TO BE + SUBJECT + COMPLEMENT Examples: Are you okay? Were you okay? Is he at the gym? Was he at the gym? 1.2 'to do' (action verbs) •AUX + S + V (bare infinitive=without 'to') + C Examples: Do you like pizza? Did you like pizza? Does she speak Russian? Did she speak Russian? 1.3 Modal verbs •AUX + S + V (bare infinitive=without 'to') + C Examples: Can she swim quickly? Will you be at home tomorrow? Would you like a bag of chips? ... 2. Question words (open questions) The only difference is that a QW is added at the beginning of the question. 2.1 • QW + TO BE + SUBJECT + COMPLEMENT Examples: Why are you happy? Where is your brother right now? How was the exhibition yesterday? 2.2 • QW + AUX/MV + S + V (bare infinitive=without 'to') + C Examples: When does Sonia teach English? Why did the chicken cross the road? What will you do next month? Who could I call for help? Espero que haya sido de ayuda! Lo intenté poner lo mas claro posible para no agobiar. Saludos! :)

1. Yes/no questions (closed questions) 1.1 'to be' •TO BE + SUBJECT + COMPLEMENT Examples: Are you okay? Were you okay? Is he at the gym? Was he at the gym? 1.2 'to do' (action verbs) •AUX + S + V (bare infinitive=without 'to') + C Examples: Do you like pizza? Did you like pizza? Does she speak Russian? Did she speak Russian? 1.3 Modal verbs •AUX + S + V (bare infinitive=without 'to') + C Examples: Can she swim quickly? Will you be at home tomorrow? Would you like a bag of chips? ... 2. Question words (open questions) The only difference is that a QW is added at the beginning of the question. 2.1 • QW + TO BE + SUBJECT + COMPLEMENT Examples: Why are you happy? Where is your brother right now? How was the exhibition yesterday? 2.2 • QW + AUX/MV + S + V (bare infinitive=without 'to') + C Examples: When does Sonia teach English? Why did the chicken cross the road? What will you do next month? Who could I call for help? Espero que haya sido de ayuda! Lo intenté poner lo mas claro posible para no agobiar. Saludos! :)