| Simple | Progressive | Perfect | Progressive |
| Present |
| I degenerate |
| you degenerate |
| he/she/it degenerates |
| we degenerate |
| you all degenerate |
| they degenerate |
|
| I am degenerating |
| you are degenerating |
| he/she/it is degenerating |
| we are degenerating |
| you all are degenerating |
| they are degenerating |
|
| I have degenerated |
| you have degenerated |
| he/she/it has degenerated |
| we have degenerated |
| you all have degenerated |
| they have degenerated |
|
| I have been degenerating |
| you have been degenerating |
| he/she/it has been degenerating |
| we have been degenerating |
| you all have been degenerating |
| they have been degenerating |
|
| Past |
| I degenerated |
| you degenerated |
| he/she/it degenerated |
| we degenerated |
| you all degenerated |
| they degenerated |
|
| I was degenerating |
| you were degenerating |
| he/she/it was degenerating |
| we were degenerating |
| you all were degenerating |
| they were degenerating |
|
| I had degenerated |
| you had degenerated |
| he/she/it had degenerated |
| we had degenerated |
| you all had degenerated |
| they had degenerated |
|
| I had been degenerating |
| you had been degenerating |
| he/she/it had been degenerating |
| we had been degenerating |
| you all had been degenerating |
| they had been degenerating |
|
| Future |
| I will degenerate |
| you will degenerate |
| he/she/it will degenerate |
| we will degenerate |
| you all will degenerate |
| they will degenerate |
|
| I will be degenerating |
| you will be degenerating |
| he/she/it will be degenerating |
| we are degenerating |
| you all will be degenerating |
| they will be degenerating |
|
| I will have degenerated |
| you will have degenerated |
| he/she/it will have degenerated |
| we will have degenerated |
| you all will have degenerated |
| they will have degenerated |
|
| I will have been degenerating |
| you will have been degenerating |
| he/she/it will have been degenerating |
| we will have been degenerating |
| you all will have been degenerating |
| they will have been degenerating |
|
