Although it is more common to find it in literature and in formal content, in Spanish we can use the auxiliary verb haber + de + infinitive. This verbal structure is used to express:
1. An obligation, although not a strong one, or the convenience or necessity of doing something.
Have a look and listen to these examples:
He de coger el tren de las diez para llegar a tiempo a mi destino.I must take the ten o'clock train to arrive at my destination on time.
Its more colloquial and informal equivalent is:
tener que/ deber/necesitar + infinitive
Tengo que/Debo/Necesito coger el tren de las diez para llegar a tiempo a mi destino.
2. A future action.
Have a look and listen to these examples:
Its more colloquial and informal equivalent is:
the main verb in the future tense
Esta guerra acabará con la esperanza de paz de la gente.
Remember:
Haber (conjugated) + de + infinitive
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Examples and resources
He de coger el tren de las diez para llegar a tiempo a mi destino.I must take the ten o'clock train to arrive at my destination on time.
Esta guerra habrá de acabar con la esperanza de paz de la gente.This war will put an end to people's hope for peace.
Has de reconocer que los estudiantes merecen un descanso.You must admit that the students deserve a break.
