5 предложений в second conitional

If everyone recycled a bit more, it would make a huge difference.
If she bought a packet of crisps a day, she'd have to trow away lots of plastic.
If you went to hospital and there were no electricity, you would be amazed.
If they had electric lights, these operations would be easier and safer.
If I were a superhero, I'd want electrical power in my finger.