Bring it all together with a past-tense review that doubles as a real writing task with this preterite vs imperfect Spanish II lesson. The payoff of this slideshow isn't the grammar reference slide. It's the integrated writing task at the end, and that's where you should start thinking about this resource. Las Tendencias Actuales: Preterite vs. Imperfect closes with a writing assessment that requires students to simultaneously deploy preterite, imperfect, por, para, transition phrases, opinion