=>
4/
1. If it weren't raining, we could go to the beach.
2. If I had a bike, I could cycle to your house.
3. If I had some money, I could buy that video game.
4. If the film weren't on too late, I would watch it.
5. If that ice cream weren't expensive, we would buy it.
5/
1. A promised (quá khứ) -> would
2. A câu đk loại 2
3. B câu đk loại 2
4. A câu đk loại 2
5. B câu đk loại 2