J'ai peur ___ l'avenir.

Usually with peur we would use de, but there are also several articles that use en in this expression, such as here and here. So is it correct to use en? If so, is there a difference between the two?

  • la première est une citation d'une personne interrogée oralement, ce n'est donc pas une référence. De plus ce cadre travaille dans l'industrie du bâtiment...Le deuxième est simplement une faute. Comparez les usages des deux expressions: books.google.com/ngrams/…
    – P. O.
    Dec 30, 2016 at 21:13

1 Answer 1


You must use de here:

J'ai peur de l'avenir


Je crois en l'avenir

The verb and the complement are dictating which preposition to use.

J'ai peur en avion

  • So do you believe that the writing in the links provided is incorrect?
    – user11550
    Dec 30, 2016 at 16:41
  • 1
    Might be regionalisms or just plain mistakes.
    – jlliagre
    Dec 30, 2016 at 16:45
  • Although "peur de l'avion" is also used, and understood as "afraid of taking a plane", not as "afraid of being eaten by a plane".
    – Right leg
    Dec 31, 2016 at 2:01
  • @Rightleg That depends, it would likely be the second case if you are a bird ;-)
    – jlliagre
    Jan 3, 2017 at 9:38

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