concert
The French word for concert is 'concert'. It is used in a very similar way as in English. For example, attendees to a music event would go to a 'concert'. Unlike some French words, it does not alter spelling or pronunciation from the English counterpart. It is used in both formal and informal conversation.
I went to a concert yesterday.
This sentence is using the term 'concert' to describe an event that the speaker went to yesterday. It's a simple past tense statement about the speaker's activities.
The concert was amazing!
Here, the speaker uses 'concert' to refer to a specific event that they presumably attended, and expresses their personal opinion about the event using the adjective 'incroyable', which translates to 'amazing'.
He bought tickets for the concert.
In this sentence, 'concert' describes the event for which tickets have been bought by the third person singular referred to as 'he'.