Present
| I | grouse |
| You | grouse |
| She | grouses |
| We | grouse |
| They | grouse |
Past
| I | groused |
| You | groused |
| She | groused |
| We | groused |
| They | groused |
Perfect
| I | have | groused |
| You | have | groused |
| She | has | groused |
| We | have | groused |
| They | have | groused |
Future
| I | will | grouse |
| You | will | grouse |
| She | will | grouse |
| We | will | grouse |
| They | will | grouse |
Past Perfect
| I | had | groused |
| You | had | groused |
| She | had | groused |
| We | had | groused |
| They | had | groused |
Future Perfect
| I | will | have | groused |
| You | will | have | groused |
| She | will | have | groused |
| We | will | have | groused |
| They | will | have | groused |
Present - Conditional
| I | would | grouse |
| You | would | grouse |
| She | would | grouse |
| We | would | grouse |
| They | would | grouse |
Perfect - Conditional
| I | would | have | groused |
| You | would | have | groused |
| She | would | have | groused |
| We | would | have | groused |
| They | would | have | groused |