Ex:1
1. tidyes(или tidies)
2. would win
3. painted
4. will visit
5. stays
6. behaved
7. had
8. won't see
9. argue
10. will eat
Ex:3
1. He shouldn't eat so much ice-cream
2. You shouldn't quarrel with friends
3. Children should get enough sleep
4. You should not spend much time in front of TV
5. She should take care of her pet.