Английский.помогите быстрее пожалуйста.Номера 1,2,4 решить

1 it was raining
was working
was looking
were you doing
wasn't watching
2 helped
did you do that
was
didn't has
did it was
gave
bought
4 was walking
didn't have
was kicking
arrived on his
asked
explained
gave
came
was opening