Haber de + infinitive to express formal obligation or future action

Question 1

haber + de + infinitive.

Answer 1

is more common to find it in literature and in formal content,

This verbal structure is used to express:

1. An obligation, although not a strong one, or the convenience or necessity of doing something.

Question 2

I must take the ten o’clock train to arrive at my destination on time.

Answer 2

He de coger el tren de las diez para llegar a tiempo a mi destino.

Question 3

You must respect all traffic signs.

Answer 3

Han de respetar todas las señales de tráfico.

Question 4

We must admit that it is harder than we thought.

Answer 4

Hemos de admitir que es más duro de lo que pensábamos.

Question 5

You must admit that the students deserve a break.

Answer 5

Has de reconocer que los estudiantes merecen un descanso.

Question 6

This war will put an end to people’s hope for peace.

Answer 6

Esta guerra habrá de acabar con la esperanza de paz de la gente.

Question 7

Don’t worry about what will never happen.

Answer 7

No te preocupes por lo que nunca ha de pasar.