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.
| aperire - open | |
| aperio | aperimus |
| aperis | aperitis |
| aperit | aperiunt |
| aperior | aperimur |
| aperiris | aperimini |
| aperitur | aperiuntur |