How do you use the perfect tense?

The perfect tense is a way to talk about what has happened in the past. It is a way of expressing something that happens in the past generally, it's something you have done, probably many times and are likely to do again.Things like I saw a film - Ich habe ein Film gesehen I studied - Ich habe gelernt
To form this tense, you should use the subject + auxiliary verb + the past participleSo "we won" would become wir (subject) haben (auxiliary verb) gewonnen (past participle)