If you want to practice only irregular tenses you can click on the checkbox and mark this feature before starting the verb exercises.
South American Spanish School (SASS), Cusco -Classes immersion, private and group lessons, basic to advanced, volunteer work, adventure tours, free Internet access, free cooking & dance classes , library.
SET - Study, learn and live Spanish with our Spanish course in Argentina. Group, private and combined courses, spare-time activities and volunteering in Cordoba and other destinations.