This document discusses different types of question formation in English, including inversion with modal verbs and the verb "to be", adding auxiliaries like "do" and "did", negative questions, questions with prepositions, question words as subjects vs objects, and indirect questions. Some key points:
- With modal verbs, "to be", perfect tenses and "have got", the subject and verb invert order
- "Do"/"does" are added before the subject in present questions, "did" in past questions
- Negative questions often express surprise or expect agreement
- Prepositions usually go at the end of questions with verb+preposition
- No auxiliary is added for question words as subjects vs. adding