interrogative means
1.word used to ask question: a word or particle that is used to form a question, e.g. "who," "what," or "where"2.form of question: the form of a sentence that is used to ask a question
10 sample of iterrogative
Here a few examples of interrogative (questions) sentences: How are you? Is that your pet hedgehog? What colour are your eyes? Is that your water bottle? Why is the sky blue? What is your Heritage?