| singular | plural |
| Infinitive | | |
| forbid | |
| present simple | | |
| 1 | I forbid | we forbid |
| 2 | you forbid | you forbid |
| 3 | he/she/it forbids | they forbid |
| past simple | | |
| 1 | I forbade | we forbade |
| 2 | you forbade | you forbade |
| 3 | he/she/it forbade | they forbade |
| future simple | | |
| 1 | I will/shall forbid | we will/shall forbid |
| 2 | you will/shall forbid | you will/shall forbid |
| 3 | he/she/it will/shall forbid | they will/shall forbid |
| conditional simple | | |
| 1 | I would forbid | we would forbid |
| 2 | you would forbid | you would forbid |
| 3 | he/she/it would forbid | they would forbid |
| present continuous | | |
| 1 | I am forbidding | we are forbidding |
| 2 | you are forbidding | you are forbidding |
| 3 | he/she/it is forbidding | they are forbidding |
| past continuous | | |
| 1 | I was forbidding | we were forbidding |
| 2 | you were forbidding | you were forbidding |
| 3 | he/she/it was forbidding | they were forbidding |
| future continuous | | |
| 1 | I will be forbidding | we will be forbidding |
| 2 | you will be forbidding | you will be forbidding |
| 3 | he/she/it will be forbidding | they will be forbidding |
| conditional continuous | | |
| 1 | I would be forbidding | we would be forbidding |
| 2 | you would be forbidding | you would be forbidding |
| 3 | he/she/it would be forbidding | they would be forbidding |
| present perfect | | |
| 1 | I have forbidden | we have forbidden |
| 2 | you have forbidden | you have forbidden |
| 3 | he/she/it has forbidden | they have forbidden |
| past perfect | | |
| 1 | I had forbidden | we had forbidden |
| 2 | you had forbidden | you had forbidden |
| 3 | he/she/it had forbidden | they had forbidden |
| future perfect | | |
| 1 | I will have forbidden | we will have forbidden |
| 2 | you will have forbidden | you will have forbidden |
| 3 | he/she/it will have forbidden | they will have forbidden |
| conditional perfect | | |
| 1 | I would have forbidden | we would have forbidden |
| 2 | you would have forbidden | you would have forbidden |
| 3 | he/she/it would have forbidden | they would have forbidden |
