| Present "forbid" | I | forbid | |
| Present Continuous "forbid" | I | am forbidding | |
| Simple past "forbid" | I | forbad; forbade | |
| Past Continuous "forbid" | I | was forbidding | |
| Present perfect "forbid" | I | have forbidden | |
| Present perfect continuous "forbid" | I | have been forbidding | |
| Past perfect "forbid" | I | had forbidden | |
| Past perfect continuous "forbid" | I | had been forbidding | |
| Future "forbid" | I | will forbid | |
| Future continuous "forbid" | I | will be forbidding | |
| Future perfect "forbid" | I | will have forbidden | |
| Future perfect continuous "forbid" | I | will have been forbidding |