if he had been

He looks as if he had been ill.

Il a l’air d’avoir été malade.

You don't even know if he had been at home or not.

Tu ne sais même pas s'il était chez lui ou non.

— Loveless (2017)

If he had been a little more careful, the accident would have been avoided.

S’il avait été un peu plus prudent, l’accident aurait été évité.

If he had been honest, I would have employed him.

S'il avait été honnête, je l'aurais embauché.

He would've died if he had been left on that floor.

Il serait mort si on l’avait laissé sur ce sol.

— Broker (2022)

If he had been free, he would have gone fishing.

S’il avait été libre, il serait allé pêcher.