Use do, does and did to talk about actions.
Use do with the pronouns I, you, we and they, and with
plural nouns. Use does with the pronouns he, she and it,and singular nouns.
Did is the simple past tense of do and does.
He does such interesting work.
They do amazing tricks.
Sally did her hair in front of the mirror.
They did the dusting and cleaning.
Jane did all the laundry by herself.
You did well in the test.
I did poorly on my exam.
You can also use do, does and did as helping verbs to ask and answer questions.
Do you like ice cream? Yes, I do.
Does it rain often here? Yes, it does.
Does he enjoy music? Yes, he does.
Did it snow last night? No, it didn’t.
Who wants to come with me to the zoo? We all do!
What do you want for lunch?
Who broke this vase? Peter did!
Does Ken often come home late? Yes, he does.
Why did he leave so suddenly?
Does everyone have a dictionary?
Use do not, does not and did not to make other verbs
Cats do not like water.
I don’t enjoy difficult math tests.
Sophie doesn’t want to go to school.
He didn’t get to the station in time.
Don’t you have a ticket? No, I don’t.
Don’t they go to the gym on Mondays? Yes, they do.
Didn’t they win? No, they didn’t.
You didn’t draw that picture yourself, did you?
Did you see the rainbow? No, I didn’t.
Do not forget to switch off the air conditioner.
Don’t tell lies!
Kaynak: Basic English Grammer Book1