| Einfach | Progressiv | Perfekt | Progressiv |
| Präsens |
| I lessen |
| you lessen |
| he/she/it lessens |
| we lessen |
| you all lessen |
| they lessen |
|
| I am lessening |
| you are lessening |
| he/she/it is lessening |
| we are lessening |
| you all are lessening |
| they are lessening |
|
| I have lessened |
| you have lessened |
| he/she/it has lessened |
| we have lessened |
| you all have lessened |
| they have lessened |
|
| I have been lessening |
| you have been lessening |
| he/she/it has been lessening |
| we have been lessening |
| you all have been lessening |
| they have been lessening |
|
| Präteritum |
| I lessened |
| you lessened |
| he/she/it lessened |
| we lessened |
| you all lessened |
| they lessened |
|
| I was lessening |
| you were lessening |
| he/she/it was lessening |
| we were lessening |
| you all were lessening |
| they were lessening |
|
| I had lessened |
| you had lessened |
| he/she/it had lessened |
| we had lessened |
| you all had lessened |
| they had lessened |
|
| I had been lessening |
| you had been lessening |
| he/she/it had been lessening |
| we had been lessening |
| you all had been lessening |
| they had been lessening |
|
| Futur |
| I will lessen |
| you will lessen |
| he/she/it will lessen |
| we will lessen |
| you all will lessen |
| they will lessen |
|
| I will be lessening |
| you will be lessening |
| he/she/it will be lessening |
| we are lessening |
| you all will be lessening |
| they will be lessening |
|
| I will have lessened |
| you will have lessened |
| he/she/it will have lessened |
| we will have lessened |
| you all will have lessened |
| they will have lessened |
|
| I will have been lessening |
| you will have been lessening |
| he/she/it will have been lessening |
| we will have been lessening |
| you all will have been lessening |
| they will have been lessening |
|
