4 Choose the correct verb form to complete the sentences.

Choosing the correct verb form

1. I felt very nervous while I B was watching the game.
2. When I saw them, I A fell in love.
3. While we B were looking around the castle, we saw a very old picture.
4. Yesterday, while I B was coming back home, I remembered I left my sunglasses in your house.
5. When I A cleaned in the kitchen, I saw a broken window.