Affirmative
Use the base verb with I, you, we, and they. With he, she, and it, add s or es as needed.
I start work at nine.
She starts work at nine.
Negative
Use do not or does not followed by the base verb. Do not add s to the verb after does not.
I don’t work on Saturday.
She doesn’t work on Saturday.
Question
Start with Do or Does, followed by the subject and base verb. Give a short answer and add a detail if useful.
Does she work online?
Yes, she does. She teaches English online.
Try it yourself
Write three sentences about your routine. Change one into a negative and one into a question. Then ask someone about their day.
Original Portal Academy content · October 2026