u rečniku PONS
I. con·trib·ute [kən'trɪbjuːt, Brit also 'kɒntrɪbjuːt] VB trans
| I | contribute |
|---|---|
| you | contribute |
| he/she/it | contributes |
| we | contribute |
| you | contribute |
| they | contribute |
| I | contributed |
|---|---|
| you | contributed |
| he/she/it | contributed |
| we | contributed |
| you | contributed |
| they | contributed |
| I | have | contributed |
|---|---|---|
| you | have | contributed |
| he/she/it | has | contributed |
| we | have | contributed |
| you | have | contributed |
| they | have | contributed |
| I | had | contributed |
|---|---|---|
| you | had | contributed |
| he/she/it | had | contributed |
| we | had | contributed |
| you | had | contributed |
| they | had | contributed |