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 | |
| debuissem | debuissemus |
| debuisses | debuissetis |
| debuisset | debuissent |
| debitus essem | debiti essemus |
| debitus esses | debiti essetis |
| debitus esset | debiti essent |