Помогите пожалуйста с глаголами! Надо заполнить пропуски

[Slamy]

5. Поставьте глаголы, данные в скобках в правильную форму, используя времена Present Simple, Present Continuous, Present Perfect, Future Simple, Past Simple. Переведите предложения.
1) _____ we ___ (to go) for a walk? - Not now, I _____ (to do) my home work.
2) Victoria _____ (to be) always very busy. And she _____ (to be) busy now. Look! She ______ (to look) through the papers.
3) When ______ she ______ (to come)? She ______ (to come) 30 minutes ago.
4) Finally they ________ (to finish) their work
5) An atheist _________ (not to believe) in God.
6) Sorry, I ______ (not to understand) what ______ (to talk) about.
7) Look! Sam ______ (to bring) some biscuits.
8) I ______ (to know) them all my life.
9) Don't worry! I ______ (to call) you later.
10) She is very absent-minded. She ______ always ______ (to loose) her keys.
11) Who _______ (to make) such terrible noise.
12) Usually I _____ (to prefer) tea for breakfast, but now I _____ (to drink) tea.
13) Sch! ______ you ______ (to hear) anything