to have lost
Tom parece haber perdido su llave.
Tom seems to have lost his key.
Tom encontró las llaves que pensó haber perdido.
Tom found the keys he thought he had lost.
Me culpan por haber perdido a Kim Won-bong.
They blame me for losing Kim Won-bong.
— Asesinos (2015)
Él no puede haber perdido sus llaves.
He can't have lost his keys.
I must have lost weight.
Era no antes de que llegué a casa noté haber perdido mi reloj.
It wasn't until I got home that I noticed I had lost my watch.
No puedo haber perdido las llaves otra vez, las tenía en el bolsillo hace un momento.
I can't have lost my keys again, I had them in my pocket a moment ago.
Siento haber perdido el control.
I'm sorry for losing control.
Él debe haber perdido su tren habitual.
He must have missed his usual train.