1. ... If you don't have/eat your soup now, it will get cold.
2. Napisz to zdanie po polsku to je przetlumacze bo teraz nie ma sensu ;P
3. If I could cook as well as you, I would open a restaurant.
4. If my neighbours are as bad as yours/you (zalezy czy chodzi ci o jego sasiadow czy o niego samego), I will go crazy.