When is the passé composé used and how is it formed?

When is the passé composé used?The passé composé is a tense which is the equivalent of the simple past (I did) and the present perfect (I have done). It is the most commonly used past tense in French. It is used to highlight the consequences of past actions and talk about:Completed actions, Repeated actions, Series of actions, Conditions in likely situationsHow is it formed?It is a compound tense, meaning you need to components:The auxilery (avoir or être) conjugated in the present tense. The past participle of the verb you want to conjugate. Avoir conjugation: ai, as, a, avons, avez, ont. Être conjugation: suis, es, est, sommes, êtes, sont.Être: use DR and MRS VANDERTRAMP to work out which verbs take êtrePast Participle: regular: er --> é | ir--> i | re--> uirregular: learn these agreements with être: (e) if female, (s) if plural, (es) if female and plural