Помогите пожалуйста!!! Очень надобно !!!Напишите собственный вариант, используя правильные формы1

Помогите пожалуйста!!! Очень надобно !!!
Напишите собственный вариант, используя правильные формы
1 Look! I (buy) a new book! Do you want to read it?
2 Before he (go) for a walk, he (clean) his room and (help) his sister.
3 Yesterday I did a lot of things. First, I (go) to school, then (meet) with my friends and finally (swim) in the swimming pool.
4 He watched them (enter) the room
5 Butter (make) from milk.