Do/Does
I _______ a student.
I am a student.
like
likes
Do/Does you speak English?
Yes, I do speak English.
eat
eats
_______ we study English?
DO
Do/Does you like apples?
Yes, I do like apples.
watch
watches
Do/does he eat breakfast?
Yes, he does.
go
goes
_______ Jim and Mary like winter?
DO
Dan and Jane like tennis.
Do Dan and Jane like tennis?
Mom and Dad like movies.
Mom and Dad don't like movies.
He _______ his hands before eating.
He washes his hands before eating.
try
tries