| I | respond | |
|---|---|---|
| you | respond | |
| he/she/it | responds | |
| we | respond | |
| you | respond | |
| they | respond |
| I | responded | |
|---|---|---|
| you | responded | |
| he/she/it | responded | |
| we | responded | |
| you | responded | |
| they | responded |
| I | have | responded | |
|---|---|---|---|
| you | have | responded | |
| he/she/it | has | responded | |
| we | have | responded | |
| you | have | responded | |
| they | have | responded |
| I | had | responded | |
|---|---|---|---|
| you | had | responded | |
| he/she/it | had | responded | |
| we | had | responded | |
| you | had | responded | |
| they | had | responded |