List 6: esse-verbs
Verbtime builds the following verbs according to the irregular esse-verb.
| Verb | Present | Perfect | PPP/Supine |
| abesse | absum | afui | - |
| adesse | adsum | adfui | - |
| deesse | desum | defui | - |
| inesse | insum | - | - |
| interesse | intersum | interfui | - |
| obesse | obsum | offui | - |
| praeesse | praesum | praefui | - |
| prodesse | prosum | profui | - |
| superesse | supersum | superfui | - |