An interrogative sentence is one that asks a direct question and ends in a question mark. The term ' interrogative sentence ' is another term for question. There are three types of interrogative sentences: yes/no questions, question-word questions, and choice questions. An interrogative sentence, according to the Cambridge Dictionary, is defined as “a sentence that asks a question or makes a request for information.” According to the Collins Dictionary, an interrogative sentence is one “denoting a form or construction used in asking a question.” Learn what interrogative sentences are, their types, structure, and how to form questions in English. Practice with examples and exercises for exams. Learn everything about interrogative sentences in this comprehensive guide! Explore examples, types, structure, rules, and practical exercises to master forming questions in English.