1. If the weather is good, we will play in the fresh air.
2. If the weather was good, we would play in the fresh air.
Полностью предложение не буду выписывать, только ту часть, где скобки. Надеюсь, что разберетесь.
1. I was reading a book
2. I played computer games
3. she gets up
4. She has just written a letter
5. Is he going to the doctor tomorrow
6. We have just gone home
7. They aren't sitting on the sofa
8. they are going to the river
9. Does he play in the afternoon
10. She won't (will not) ride a bike