Present
| I | trepan |
| You | trepan |
| She | trepans |
| We | trepan |
| They | trepan |
Past
| I | trepanned |
| You | trepanned |
| She | trepanned |
| We | trepanned |
| They | trepanned |
Perfect
| I | have | trepanned |
| You | have | trepanned |
| She | has | trepanned |
| We | have | trepanned |
| They | have | trepanned |
Future
| I | will | trepan |
| You | will | trepan |
| She | will | trepan |
| We | will | trepan |
| They | will | trepan |
Past Perfect
| I | had | trepanned |
| You | had | trepanned |
| She | had | trepanned |
| We | had | trepanned |
| They | had | trepanned |
Future Perfect
| I | will | have | trepanned |
| You | will | have | trepanned |
| She | will | have | trepanned |
| We | will | have | trepanned |
| They | will | have | trepanned |
Present - Conditional
| I | would | trepan |
| You | would | trepan |
| She | would | trepan |
| We | would | trepan |
| They | would | trepan |
Perfect - Conditional
| I | would | have | trepanned |
| You | would | have | trepanned |
| She | would | have | trepanned |
| We | would | have | trepanned |
| They | would | have | trepanned |