Como faz essa questão do present perfect simple and continuouns?
oloque os verbos entre parênteses no present perfect (simple ou prigressive) conforme o caso: 5. I (not see) the carters for over tão months. I suppose they( go) back to England. 6. Tony( work) for IBM for several years and ( not get) a promotion yet . 7. My mother( bake) a cake and I (already eat) two slices. 8. You ( work) too hard lately .why don't you take a few days off ?