| Simple | Progressive | Perfect | Progressive |
| Present |
| I decease |
| you decease |
| he/she/it deceases |
| we decease |
| you all decease |
| they decease |
|
| I am deceasing |
| you are deceasing |
| he/she/it is deceasing |
| we are deceasing |
| you all are deceasing |
| they are deceasing |
|
| I have deceased |
| you have deceased |
| he/she/it has deceased |
| we have deceased |
| you all have deceased |
| they have deceased |
|
| I have been deceasing |
| you have been deceasing |
| he/she/it has been deceasing |
| we have been deceasing |
| you all have been deceasing |
| they have been deceasing |
|
| Past |
| I deceased |
| you deceased |
| he/she/it deceased |
| we deceased |
| you all deceased |
| they deceased |
|
| I was deceasing |
| you were deceasing |
| he/she/it was deceasing |
| we were deceasing |
| you all were deceasing |
| they were deceasing |
|
| I had deceased |
| you had deceased |
| he/she/it had deceased |
| we had deceased |
| you all had deceased |
| they had deceased |
|
| I had been deceasing |
| you had been deceasing |
| he/she/it had been deceasing |
| we had been deceasing |
| you all had been deceasing |
| they had been deceasing |
|
| Future |
| I will decease |
| you will decease |
| he/she/it will decease |
| we will decease |
| you all will decease |
| they will decease |
|
| I will be deceasing |
| you will be deceasing |
| he/she/it will be deceasing |
| we are deceasing |
| you all will be deceasing |
| they will be deceasing |
|
| I will have deceased |
| you will have deceased |
| he/she/it will have deceased |
| we will have deceased |
| you all will have deceased |
| they will have deceased |
|
| I will have been deceasing |
| you will have been deceasing |
| he/she/it will have been deceasing |
| we will have been deceasing |
| you all will have been deceasing |
| they will have been deceasing |
|
