Insert the proper form of the werb

1)I think (to see) him somewhere before.

2)He'll be ready in a minute.He(to clean)his shoes

3)We( to go ) to the theatre tonight

4)They couldn't leave the studio  when I called because they (to film)

5)When I shouted, they ( to jump)off the roof and (run)away

помоигите!!!!!!!!!!!

I have seen.

is cleaning.

went

were filming.

had jumped off, ran.

1)I think  I have seen him somewhere before.

2)He'll be ready in a minute.He is  cleaning his shoes

3)We* ll  go to the theatre tonight

4)They couldn't leave the studio  when I called because they were watching a film ( здесь пропущен глагол, возможен и такой вариант they were going to a film)???

5)When I shouted, they  jumped off the roof and ran away