Present Simple:
Отрицательное: He doesn't eat meat.
Утвердительное: She listens to music every day.
Вопросительное: Do they live in the city?

Present Perfect:
Отрицательное: I haven't finished my homework yet.
Утвердительное: She has seen that movie before.
Вопросительное: Have you ever been to Paris?

Present Continuous:
Отрицательное: They aren't studying for the exam right now.
Утвердительное: I am reading a book at the moment.
Вопросительное: Is she working on a new project?