Which word (que, qui, qu') would best fill the blank and why:

Il a attendu un bus ______ n'est jamais arrivé.

I'm a little confused with interrogative pronouns.

  • You are good to go with qu'. because the next letter is a consonant.
    – oldergod
    Jun 4, 2015 at 0:24
  • Qu' only instead of que before a vowel. So not in your case where the next word is consonant-initial and the pronoun should be qui. This form is used in informal French also for qui in the same contexts but it is quite marked.
    – GAM PUB
    Jun 4, 2015 at 14:20
  • Take care though that Qu' only stands for 'Que' before a vowel. However the -i in Qui is never dropped even when it comes before a vowel. Notice this sentence: C'est toi *qui* es responsible . Not ~C'est toi qu' es responsible.~ So qu' is only a contraction of Que .
    – Manar
    Jun 19, 2019 at 23:10

2 Answers 2


In your sentence
Dans ta phrase :

Il a attendu un bus qui n'est jamais arrivé.

We are using qui as a relative pronoun to refer to the subject in the relative clause.
On utilise qui en pronom relatif pour désigner le sujet dans la proposition relative.

As @oldergod says, we only use qu' and not "que" when the first letter in the next word is a vowel.
Comme l'indique @oldergod, on utilise qu' à la place de "que" quand la première lettre du prochain mot est une voyelle.

If you want more information about which one to use, clic on the links : que and qui.
Si tu veux savoir lequel utiliser entre que et qui, clique sur les liens.


You use "qui" when it refers to the subject :

Le chanteur qui a écrit ça

Un bus qui n'est jamais arrivé (parce que c'est un bus de la RATP)

You use "que" when it refers to the direct object complement (COD) :

La maison que le maçon portugais a construite.

If the indirect object complement (COI) you refer to is a person or animal, you will use "à qui".

L'homme à qui elle a pensé

If the indirect object complement (COI) you refer to is neither a person nor an animal, you will use "auquel" (masc.) or "à laquelle" (fem.).

La maison à laquelle on a donné un petit coup de jeune.

«Qu'» is just "que" before a word starting by a vowel.

La maison qu'il a construite.

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