Present
| I | mass |
| You | mass |
| She | masses |
| We | mass |
| They | mass |
Past
| I | massed |
| You | massed |
| She | massed |
| We | massed |
| They | massed |
Perfect
| I | have | massed |
| You | have | massed |
| She | has | massed |
| We | have | massed |
| They | have | massed |
Future
| I | will | mass |
| You | will | mass |
| She | will | mass |
| We | will | mass |
| They | will | mass |
Past Perfect
| I | had | massed |
| You | had | massed |
| She | had | massed |
| We | had | massed |
| They | had | massed |
Future Perfect
| I | will | have | massed |
| You | will | have | massed |
| She | will | have | massed |
| We | will | have | massed |
| They | will | have | massed |
Present - Conditional
| I | would | mass |
| You | would | mass |
| She | would | mass |
| We | would | mass |
| They | would | mass |
Perfect - Conditional
| I | would | have | massed |
| You | would | have | massed |
| She | would | have | massed |
| We | would | have | massed |
| They | would | have | massed |