debe haber

he must have

there must be

debe haber(deh-beh ah-behr)

phrase

1. (followed by a participle; third person singular)

a. he must have

¿Sabes dónde está Mark? - Debe haber salido a caminar.

Do you know where Mark is? - He must have gone out for a walk.

b. she must have

Claudia iba a venir. ¿Por qué no está aquí? - Debe haber cambiado de opinión.

Claudia was supposed to come. Why isn't she here? - She must have changed her mind.

c. it must have

¿Qué hace este perro callejero aquí? - Debe haber entrado por la puerta trasera.

What's this stray dog doing here? - It must have got in through the back door.

d. must have

Mis llaves no abren. Carlos debe haber cambiado la cerradura.

My keys don't work. Carlos must have changed the lock.

2. (must exist)

a. there must be

Llegando al aeropuerto, debe haber alguien que te ayude a cargar las maletas.

When you get to the airport, there must be someone who can help you carry the bags.

b. there should be

Debe haber más papel de baño en la repisa.

There should be more toilet paper on the shelf.