| I | clamp |
|---|---|
| you | clamp |
| he/she/it | clamps |
| we | clamp |
| you | clamp |
| they | clamp |
| I | clamped |
|---|---|
| you | clamped |
| he/she/it | clamped |
| we | clamped |
| you | clamped |
| they | clamped |
| I | have | clamped |
|---|---|---|
| you | have | clamped |
| he/she/it | has | clamped |
| we | have | clamped |
| you | have | clamped |
| they | have | clamped |
| I | had | clamped |
|---|---|---|
| you | had | clamped |
| he/she/it | had | clamped |
| we | had | clamped |
| you | had | clamped |
| they | had | clamped |