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.
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| posse - to be able | |
| Present Indicative | potest |
| Imperfect Indicative | poterat |
| Future Indicative | poterit |
| Perfect Indicative | potuit |
| Pluperfect Indicative | potuerat |
| Fututre Perfect Indicative | potuerit |
| Present Subjunctive | possit |
| Imperfect Subjunctive | posset |
| Perfect Subjunctive | potuerit |
| Pluperfect Subjunctive | potuisset |