1. Should you see my ex-wife, please give her my best wishes.
2. Were your boss to find out, it would be a disaster.
3. Please notify me, should there be any change in your
circumstances.
4. Had I known she was going to be here, I wouldn't have come.
5. Were you to come back as an animal in the next life, which
animal would you choose?
6. Had it not been for the GPS app on our mobile phone, we'd
never have found our way here.