| singular | plural |
| Infinitive | | |
| interfere | |
| present simple | | |
| 1 | I interfere | we interfere |
| 2 | you interfere | you interfere |
| 3 | he/she/it interferes | they interfere |
| past simple | | |
| 1 | I interfered | we interfered |
| 2 | you interfered | you interfered |
| 3 | he/she/it interfered | they interfered |
| future simple | | |
| 1 | I will/shall interfere | we will/shall interfere |
| 2 | you will/shall interfere | you will/shall interfere |
| 3 | he/she/it will/shall interfere | they will/shall interfere |
| conditional simple | | |
| 1 | I would interfere | we would interfere |
| 2 | you would interfere | you would interfere |
| 3 | he/she/it would interfere | they would interfere |
| present continuous | | |
| 1 | I am interfering | we are interfering |
| 2 | you are interfering | you are interfering |
| 3 | he/she/it is interfering | they are interfering |
| past continuous | | |
| 1 | I was interfering | we were interfering |
| 2 | you were interfering | you were interfering |
| 3 | he/she/it was interfering | they were interfering |
| future continuous | | |
| 1 | I will be interfering | we will be interfering |
| 2 | you will be interfering | you will be interfering |
| 3 | he/she/it will be interfering | they will be interfering |
| conditional continuous | | |
| 1 | I would be interfering | we would be interfering |
| 2 | you would be interfering | you would be interfering |
| 3 | he/she/it would be interfering | they would be interfering |
| present perfect | | |
| 1 | I have interfered | we have interfered |
| 2 | you have interfered | you have interfered |
| 3 | he/she/it has interfered | they have interfered |
| past perfect | | |
| 1 | I had interfered | we had interfered |
| 2 | you had interfered | you had interfered |
| 3 | he/she/it had interfered | they had interfered |
| future perfect | | |
| 1 | I will have interfered | we will have interfered |
| 2 | you will have interfered | you will have interfered |
| 3 | he/she/it will have interfered | they will have interfered |
| conditional perfect | | |
| 1 | I would have interfered | we would have interfered |
| 2 | you would have interfered | you would have interfered |
| 3 | he/she/it would have interfered | they would have interfered |
