If it hadn’t been for your help, my experiments would have failed.
If it hadn’t been for the lifeboat, I would have drowned.
If it hadn’t been for her careful arrangement, the party would not have been a success.
Without my persuasion, he would not have come.
Woman: Where’s my son?
Fireman: Don’t worry, Miss, your son will be fine. We sent him to the hospital.
Woman: Thank you so much.
Fireman: You’re welcome.
Woman: Without your help my son would have died in that fire.
Fireman: We got here just in time. A minute later and it would have been almost impossible to save him.