1) If my trousers matched this shirt, I would wear it.
2) If this coat wasn't out of fashion, I would wear it.
3) If that cap siuted him, he would put it on.
4) If this cardigan wasn't too tight, I would put it on.
5) If it was going to rain, I would have to take a raincoat.
6) If he wasn't short, he would afford to wear shoulder-padded suits.