| I | weaken | |
|---|---|---|
| you | weaken | |
| he/she/it | weakens | |
| we | weaken | |
| you | weaken | |
| they | weaken |
| I | weakened | |
|---|---|---|
| you | weakened | |
| he/she/it | weakened | |
| we | weakened | |
| you | weakened | |
| they | weakened |
| I | have | weakened | |
|---|---|---|---|
| you | have | weakened | |
| he/she/it | has | weakened | |
| we | have | weakened | |
| you | have | weakened | |
| they | have | weakened |
| I | had | weakened | |
|---|---|---|---|
| you | had | weakened | |
| he/she/it | had | weakened | |
| we | had | weakened | |
| you | had | weakened | |
| they | had | weakened |