There are different types of questions in English including confirmation questions, information questions, statements used as questions, tag questions, negative questions, one-word questions, and indirect questions. Confirmation questions check if information is correct or incorrect and use auxiliary verbs. Information questions use question words like who, what, when to ask for specific information. Statements can be turned into questions through intonation. Tag questions add a tag to confirm a statement. Negative questions place "not" after or contract it with the auxiliary verb. One-word questions continue a conversation. Indirect questions introduce the information needed rather than asking a direct question.