This is an all-class mixer activity for reviewing the conjugation of regular verbs in the preterite. Print on cardstock and cut into cards. Pick and choose which cards you want to use; vosotros is included, but does not have to be used. Students find a partner. Partner A asks his question; B responds. B asks his question and A responds. Students exchange cards and then move on to find new partners. Perfect review activity for right before a test on the conjugation of regular verbs in the preterite.