Supply the principal parts for each of these verbs. You must provide the 3rd person singular form in both Imperfekt and Perfekt. You must include the 3rd person singular form of the helping verb with each perfect participle. Click on the "Check" button to check your answers. Use the "Hint" button to get a free letter. You can also click on the "[?]" button to get a clue. Note that you will lose points if you ask for hints or clues!