* Question marks (?). All interrogative sentences end with a question mark.
* Specific word order. Usually, the subject comes after the verb or auxiliary verb.
* Interrogative words. These words signal a question and often come at the beginning of the sentence. Some common interrogative words include:
* who: asks about a person (e.g., "Who is going to the party?")
* what: asks about a thing or an action (e.g., "What is your favorite color?")
* where: asks about a place (e.g., "Where are you going?")
* when: asks about a time (e.g., "When will you be back?")
* why: asks about a reason (e.g., "Why are you late?")
* how: asks about a manner or method (e.g., "How did you get here?")
Examples of Interrogative Sentences:
* Are you coming to the party?
* What time is it?
* Where did you go yesterday?
* Why are you smiling?
* How do you make this cake?
* Who is your favorite artist?
Key takeaway: Interrogative sentences are designed to elicit information and require an answer.