I, we, you, they + main verb + s/es/ies + object
He, she, it + Main verb + object
I, we, you, they + do not/don’t + main verb + object
He, she, it + does not/doesn’t + Main verb + object
*Does Peter play tennis?
*Where does she come from?
Do you play the guitar?
Where do you live?
Do Peter and Elsa live in California?
Where do they live?