Here are some key features of interrogatory sentences:
* Word order: They often begin with a question word (who, what, when, where, why, how) or an auxiliary verb (do, does, did, is, are, was, were, can, could, will, would, etc.).
* Purpose: To seek information or clarification.
* Structure: They usually follow a specific structure:
* Question word/auxiliary verb + subject + verb + rest of the sentence?
* Subject + auxiliary verb + verb + rest of the sentence? (for yes/no questions)
Examples:
* What is your favorite color? (question word)
* Do you like pizza? (auxiliary verb)
* Is the movie starting soon? (auxiliary verb)
* Where did you go yesterday? (question word)
* Why are you sad? (question word)
Let me know if you'd like more examples or have any further questions about interrogatory sentences!