Утверждительные:

She did her homework before dinner.I did see him at the party last night.They did go to the beach on Sunday.He did finish his project on time.We did have a great time at the concert.

Отрицательные:

She did not finish her book before bed.I did not eat breakfast this morning.They did not go on vacation last year.He did not remember to call his mom on her birthday.We did not have any milk for the cereal.

Вопросительные:

Did she do her presentation today?Did you see the new movie that came out?Did they go grocery shopping on Saturday?Did he remember to water the plants while we were away?Did we have plans for dinner tonight?