Completion count: 14
41 online multiple-choice and fill-in-the-blank used to negative exercises across 2 tests provide a wide range of sentences to help you grasp the context and usage/formation of the used to negative form. Prepare for exams, practice used to negative form online and verify your answers immediately. Expand your English grammar proficiency with interactive used to negative form (used not to / didn't use to) activities. Suitable for kids, adults, ESL learners at the beginner, elementary, and intermediate levels.