corrigez-moi

[clear fiber]

Please be patient

Our volunteers look into many questions every day; sometimes it takes them a little while to answer.

Pro tip: you can rename the thread title with `.tr <thread name>`

Make it descriptive, including relevant context, but also to the point. This way you improve your chances of getting a more relevant and specific answer.

[rocky gale]

You're asking three verrrry different questions here

à + the definite article le always contract to "au"

(note that "le" is also an object pronoun and that doesn't contract)

[solemn wadi]

And à + les contracts to aux.

[rocky gale]

quelle is the feminine singular form of the interrogative adjective
you have quel / quels / quelle / quelles

like normal adjectives, you need to agree in gender and number with the noun it modifies

the c' in front of c'est is a pronoun, 'ce'
it only really works with the verb être (with other verbs you'd use ça / cela / ceci)
and it roughly means it or that

[solemn wadi]

To add to quel/quels/quelle/quelles, you combine them with an object.

Tu as vu quel film au cinéma ?

If you just want to ask 'which' without the object, you would use lequel/laquelle/lesquels/lesquelles.

Tu as vu un film au cinéma ? Lequel ?