1. She just(to go) out. 2. She(to leave) the room a moment ago. 3. We(not yet to solve) the problem 4. When it all(to happen)? 5. The morning was cold and rainy, but since ten o'clock the weather to change) and the sun is shining brightly. 6. Show now me the dress which you(to make). 7. Oh, how dark it is! A large black cloud(to cover) the sky. I think it will start raining in a few minutes. 8. Oh, close the window! Look, all my papers(to fall) on the floor because of the wind. 9. When you(to open) the win dow? -I(to open) it ten minutes ago.