? Question mark
Questions with these words cannot be answered with a "yes" or "no." The person asking is looking for more information.
Please watch and listen to this video - https://www.youtube.com/watch?v=umwU41EE2qQ
We form yes-no questions with
an auxiliary verb (be, do or have) + subject + main verb
a modal verb + subject + main verb
Modal verb - a helping or supporting verb that expresses necessity or possibility
English modal verbs include must, shall, will, should, would, can, could, may, and might.
Pedro: Are you hungry? (yes/no question)
Chantel: Yes, are you? (yes/no question)
Pedro: No, but what can I get for you? (WH question)
Chantel: Can I have a sandwich? (yes/no question)
Pedro: Yes. What kind do you want? (WH question)
Chantel: Do you have peanut butter and jelly? (yes/no question)
Pedro: Yes. Do you want something to drink too? (yes/no question)
Chantel: Yes. What do you have in the fridge? (WH question)
Pedro: I have apple juice. Is that ok? (yes/no question)
Chantel: Yes. Thank you.