For most verbs you add an 'ed' at the end of the word to change it to the past tense - for example, 'she talks' becomes 'she talked'. However, there are some irregular verbs where the whole word ...
The perfect tense is used to say what you did or what you have done in the past. To form the perfect tense you need a subject, an auxiliary verb and a past participle. Perfect tense with 'être ...