Present
| I | constrict |
| You | constrict |
| She | constricts |
| We | constrict |
| They | constrict |
Past
| I | constricted |
| You | constricted |
| She | constricted |
| We | constricted |
| They | constricted |
Perfect
| I | have | constricted |
| You | have | constricted |
| She | has | constricted |
| We | have | constricted |
| They | have | constricted |
Future
| I | will | constrict |
| You | will | constrict |
| She | will | constrict |
| We | will | constrict |
| They | will | constrict |
Past Perfect
| I | had | constricted |
| You | had | constricted |
| She | had | constricted |
| We | had | constricted |
| They | had | constricted |
Future Perfect
| I | will | have | constricted |
| You | will | have | constricted |
| She | will | have | constricted |
| We | will | have | constricted |
| They | will | have | constricted |
Present - Conditional
| I | would | constrict |
| You | would | constrict |
| She | would | constrict |
| We | would | constrict |
| They | would | constrict |
Perfect - Conditional
| I | would | have | constricted |
| You | would | have | constricted |
| She | would | have | constricted |
| We | would | have | constricted |
| They | would | have | constricted |