Odpowiedź :
1 If John wouldn't stay late at night. He wouldn't be tired all the time.
2 If Mia wouldn't live in a small flat. She would got a dog.
3 If Harry wouldn't be rude to his mum. She wouldn't gets angry with him.
4 If Mary wouldn't eat a lot of sweets. Her teeth would not hurt.
Mam nadzieje że jest dobrze jak nie to niech mnie ktoś poprawi w komentarzach.