Rewrite each of the following present tense sentences in the perfect tense. Make no other changes to the sentences. Use the special keyboard provided below to insert the German characters. Don't forget the punctuation. 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!