| I | interfere | 
|---|---|
| you | interfere | 
| he/she/it | interferes | 
| we | interfere | 
| you | interfere | 
| they | interfere | 
| I | interfered | 
|---|---|
| you | interfered | 
| he/she/it | interfered | 
| we | interfered | 
| you | interfered | 
| they | interfered | 
| I | have | interfered | 
|---|---|---|
| you | have | interfered | 
| he/she/it | has | interfered | 
| we | have | interfered | 
| you | have | interfered | 
| they | have | interfered | 
| I | had | interfered | 
|---|---|---|
| you | had | interfered | 
| he/she/it | had | interfered | 
| we | had | interfered | 
| you | had | interfered | 
| they | had | interfered | 
