Yes, you should go. Even of you don't want to, sometimes there are times when you have to face the music! I hate lunch detentions as much as the next guy, but really, if you don't go, a teacher is...
as a question?vous me rendezvous pour dejeuner demain?this is "you meet me for lunch tomorrow?" litteral translationor as a statement"sortir pour dejeuner"conjugate the ending on 'sortir' to who your...