Чтобы правильно раскрыть скобки и поставить глаголы в форме present perfect, нужно помнить о структуре этого времени. Present perfect образуется с помощью вспомогательного глагола "have" (или "has" для третьего лица единственного числа) и причастия прошедшего времени основного глагола.

Давайте разберем каждое предложение по шагам:

1. (you/ask) for more time to finish the project?

   Вопросительная форма: "Have you asked for more time to finish the project?"

2. (not see) Mr Davis today at all.

   Отрицательная форма: "I have not seen Mr Davis today at all."

3. (Mr Jones/give) everyone a copy of the timetable?

   Вопросительная форма: "Has Mr Jones given everyone a copy of the timetable?"

4. (not have) time to get them photocopied.

   Отрицательная форма: "I have not had time to get them photocopied."

5. (they/move) the geography lesson to Friday afternoon?

   Вопросительная форма: "Have they moved the geography lesson to Friday afternoon?"

6. (not move) it. It's still tomorrow at 3.30 pm.

   Отрицательная форма: "They have not moved it. It's still tomorrow at 3.30 pm."

7. (your friends/decide) to meet us after school?

   Вопросительная форма: "Have your friends decided to meet us after school?"

8. (not get) time today.

   Отрицательная форма: "They have not gotten time today."

9. (the class/prepare) the presentation for the lesson?

   Вопросительная форма: "Has the class prepared the presentation for the lesson?"

10. (not start) it because we have some other work to do first.

    Отрицательная форма: "They have not started it because we have some other work to do first."

11. (not manage) to do my maths homework for today.

    Отрицательная форма: "I have not managed to do my maths homework for today."

12. (you/speak) to your maths teacher about this?

    Вопросительная форма: "Have you spoken to your maths teacher about this?"

13. (Katy/choose) what courses to take next term?

    Вопросительная форма: "Has Katy chosen what courses to take next term?"

14. (not say) anything to me about it.

    Отрицательная форма: "She has not said anything to me about it."

15. (you/read) the report in the school paper about the football team?

    Вопросительная форма: "Have you read the report in the school paper about the football team?"

16. (not buy) a copy but I will.

    Отрицательная форма: "I have not bought a copy but I will."

Теперь вы видите, как правильно использовать present perfect в разных предложениях. Обратите внимание на то, что в вопросах мы используем "have" или "has" в начале, а в отрицательных предложениях мы добавляем "not" после вспомогательного глагола.