How it's formed
An auxiliary verb and a past participle
What are the parts of the passé composé?
I sang
What is "j'ai chanté"?
I went
What is "je suis allé" or "je suis allée"?
Most verb use this as their auxiliary verb in the passé composé.
What is "avoir"?
I have chosen
What is "j'ai choisi"?
we arrived
What is "nous sommes arrivés?"
Vandertrampps use this verb as their auxiliary verb.
What is "etre"?
we answered
What is "nous avons répondu"?
This is the a second group of verbs that use être as their auxiliary verb (in addition to VANDERTRAMPPS).
What are "reflexive verbs"?
she went
What is "elle est allée"?
she went to bed
What is "elle s'est couchée"?