..If you were to win the lottery, what would you do?
Were you to win the lottery, what would you do?
What would you do were you to win the lottery?
If our daughter should need our help, she would call us
She would call us should our daughter need our help. Correct is talking about someone other than the daughter; incorrect if referring to the daughter.
I would ask her for a date were I you. I would ask her for a date if I were you.
We would have visited you had we known you were in hospital.
This bookshelf would fall forward should there be an earthquake.
Thank you very much
Student or Learner