This document discusses several English modal verbs: 1. "Used to" is used to talk about past habits or regular actions. Its structure includes subject + "used to" + base verb. 2. "Ought to" is used to suggest obligation or advisability. Its affirmative structure is subject + "ought to" + infinitive verb. 3. Other modals discussed include "have to", "want to", and "need to". The document provides examples and explanations of their typical structures and uses.

1. Modals Usedto Haveto Tobeusedto Wantto Needto Oughtto

2. Used to Afirmativo Pronombre + used to + verbo I used to play football I used to live in London. Sloveniausedtobepart of Yugoslavia Negativo Pronombre + didn't use to+ verbo Polanddidn’t use tobepart of the EU. We didn't use to play football Interrogativo Did + pronombre + use to + verbo Whatdidpeople use to do before TV wasinvented? Did you use to smoke?

3. Oughtto Estructura afirmativa Sujeto + ought + to + "verbo principal en infinitivo" 1. We ought to tell him 2. He ought to do it 3. Tom ought to take her home. "Ought" + sujeto + to + verbo en infinitivo + ? Ought he to write a letter? Estructura interrogativa Ought they to live there? Do/Does+ sujeto + think + pronombre personal + ought + to + verbo en infinitivo + ? Do you think he ought to write a letter?

4. Sujeto + ought + not (oughtn't)+ verbo en infinitivo Estructura negativa We ought not go there You ought not to drink so much. Sujeto+ don't/doesn't + think + pronombre personal + ought+ to + ver en infinitivo. We don't thinkweoughttogothere Oughtto + have Yououghttohavereadthebookfortoday.Deberían haber leído el libro para hoy.