Fill in the blanks in the usual manner. Click on the check button -- correct answers will be greyed out. If you prefer a more passive form of learning, skip to the hints below.
Mouse over for hints. IE users will have to double-click at the words to see them (due to deficiencies in IE). Probably you should consider getting a modern browser such as firefox.
| debere - owe/ought | |
| debui | debuimus |
| debuisti | debuistis |
| debuit | debuerunt |
| debitus sum | debiti sumus |
| debitus es | debiti estis |
| debitus est | debiti sunt |