038. If it hadn’t been for…
-> used for saying who or what prevented something from happening
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.