Present
| I | buttress |
| You | buttress |
| She | buttresses |
| We | buttress |
| They | buttress |
Past
| I | buttressed |
| You | buttressed |
| She | buttressed |
| We | buttressed |
| They | buttressed |
Perfect
| I | have | buttressed |
| You | have | buttressed |
| She | has | buttressed |
| We | have | buttressed |
| They | have | buttressed |
Future
| I | will | buttress |
| You | will | buttress |
| She | will | buttress |
| We | will | buttress |
| They | will | buttress |
Past Perfect
| I | had | buttressed |
| You | had | buttressed |
| She | had | buttressed |
| We | had | buttressed |
| They | had | buttressed |
Future Perfect
| I | will | have | buttressed |
| You | will | have | buttressed |
| She | will | have | buttressed |
| We | will | have | buttressed |
| They | will | have | buttressed |
Present - Conditional
| I | would | buttress |
| You | would | buttress |
| She | would | buttress |
| We | would | buttress |
| They | would | buttress |
Perfect - Conditional
| I | would | have | buttressed |
| You | would | have | buttressed |
| She | would | have | buttressed |
| We | would | have | buttressed |
| They | would | have | buttressed |