Ex. 57. Open the brackets and put the sentences into positive, negative and interrogative forms in Past Continuous/Progressive.

1. Вчера в 6 часов вечера мы с ребятами играли в футбол. 2. Вчера утром они рисовали картину. 
3. Я сажала розы вчера в 2 часа. 
4. Мы играли в компьютерные игры вчера очень долго. 5. Я шёл в магазин когда увидел странного человека. 6. Петя играл на скрипке вчера 2 часа. 
7. Она читала книгу вечером. 
8. Мы пели песни и танцевали когда вы пришли. 9. Я плакала, когда вы мне позвонили. 
10. Когда мама пришла домой, мы убирали в квартире.

Как я понял, Вам надо каждое из предложений поставить в положительной, отрицательной и вопросительной формах? Если это так, то вот вам ответ: (+-будут положительные предложения, - отрицательные, ? - вопросительные)1) + Yesterday, we with guys were playing football at 6 pm;- Yesterday, we with guys weren't playing football at 6 pm;? Were we with guys playing football yesterday at 6 pm;2) + Yesterday morning they were painting picture;- Yesterday morning they weren't painting picture;? Were they painting picture yesterday morning;3) + Yesterday I was planting roses at 2 pm;- Yesterday I wasn't planting roses at 2 pm;? Was I planting roses at 2 pm yesterday?;4) + We were playing computer games very long time yesterday- We weren't playing computer games very long time yesterday;? Were we playing computer games very long time yesterday?;5)+ I was walking into the store, when I saw very strange man;- I wasn't walking into the store, when I saw very strange man;? Was I walking into the store, when I saw very strange man?;6)+ Peter was playing on violin 2 hours yesterday;- Peter wasn't playng on violin 2 hours yesterday;? Was Peter playing on violin 2 hours yesterday?;7)+ She was reading book in the evening;- She wasn't reading book in the evening;? Was she reading book in the evening?;8) + We were singing and dancing, when you came;- We weren't singing and dancing, when you came;? Were we singing and dancing, when you came;9) + I was crying, when you called me;-  I wasn't crying, when you called me;? Was I crying, when you called me?;10) + When mum came home, we were cleaning flat;- When mum came home, we weren't cleaning flat;? Were we cleaning flat, when mum came home?