Помогите пожалуйста открыть скобки используя Necessary Tense - form

1. I (to play) computer games yesterday.
2. When I came into the kitchen, mother (to cook).
3. My sister (not to play) the piano at 4 o'clock yesterday.
4. I (to do) my homework tomorrow.
5. I (to do) my homework at 6 o'clock tomorrow
6. We (to wash) the floor in our flat yesterday.
7. We (to wash) the floor from 3 till 4 yesterday.
8. She (to sleep) when you came home.
9. I (to translate) the text tomorrow.
10. I (to translate) the text from 3 till 6 tomorrow.

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playedwas cookingdoesnt playwill doi am gong to dowashedwas washingwas sleppingwill translatei am going to translate