for learners of English
How to ask a general question with the verb to be in the present tense — form for they?
In the present tense, to ask a general question based on the verb to be, in the 3rd person plural (they) start with Are they.
example sentence:
Are they experts in their area?
At PhraseCat.com you can study a brief grammar rule and start creating new phrases based on it right away.