Yo debo llevar abrigo porque hace frío. - I must wear a coat because it is cold.
Él debe terminar su tarea antes de jugar. - He must finish his homework before playing.
Yo debí terminar mi proyecto ayer. - I should have finished my project yesterday.
Vosotros debisteis limpiar la casa antes de irnos. - You all should have cleaned the house before we left.
Vosotros debéis practicar deporte. - You all must practice sports.
Ellos deberán comprar los boletos para el concierto. - They will have to buy the tickets for the concert.
Nosotros debíamos limpiar la casa el sábado pasado. - We were supposed to clean the house last Saturday.
Nosotros debimos limpiar la casa. - We had to clean the house.
Ellos deben aprender a nadar cuanto antes. - They should learn to swim as soon as possible.
Él deberá limpiar su habitación. - He will have to clean his room.
Tú deberás visitar a tus abuelos este fin de semana. - You should visit your grandparents this weekend.
Él debió llegar a tiempo a la reunión. - He should have arrived on time to the meeting.
Ella debía escribir una carta para su amigo. - She had to write a letter for her friend.
Nosotros deberemos llegar puntuales a la cita. - We will have to arrive on time for the appointment.
Tú debes apagar la luz cuando salgas. - You must turn off the light when you leave.
Él debe trabajar todos los días. - He must work every day.
Tú debes comer más verduras. - You should eat more vegetables.
Tú debías llamar a tu hermana el viernes. - You were supposed to call your sister on Friday.
Él deberá tomar su medicina a las ocho. - He will have to take his medicine at eight o'clock.
Ellos deberán aprender español. - They shall learn Spanish.