| I | countersign |
|---|---|
| you | countersign |
| he/she/it | countersigns |
| we | countersign |
| you | countersign |
| they | countersign |
| I | countersigned |
|---|---|
| you | countersigned |
| he/she/it | countersigned |
| we | countersigned |
| you | countersigned |
| they | countersigned |
| I | have | countersigned |
|---|---|---|
| you | have | countersigned |
| he/she/it | has | countersigned |
| we | have | countersigned |
| you | have | countersigned |
| they | have | countersigned |
| I | had | countersigned |
|---|---|---|
| you | had | countersigned |
| he/she/it | had | countersigned |
| we | had | countersigned |
| you | had | countersigned |
| they | had | countersigned |
