| INDICATIVE |  | 
| Present |  | 
| I lessen You lessen
 He/She/It lessens
 We lessen
 You lessen
 They lessen
 
 |  | 
| Imperfect |  | 
| I was lessening You were lessening
 He/She/It was lessening
 We were lessening
 You were lessening
 They were lessening
 
 |  | 
| Perfect |  | 
| I lessened You lessened
 He/She/It lessened
 We lessened
 You lessened
 They lessened
 
 |  | 
| Perfect |  | 
| I have lessened You have lessened
 He/She/It has lessened
 We have lessened
 You have lessened
 They have lessened
 
 |  | 
| PlusPerfect |  | 
| I had lessened You had lessened
 He/She/It had lessened
 We had lessened
 You had lessened
 They had lessened
 
 |  | 
| Plusperfect |  | 
| I had lessened You had lessened
 He/She/It had lessened
 We had lessened
 You had lessened
 They had lessened
 
 |  | 
| Future |  | 
| I will lessen You will lessen
 He/She/It will lessen
 We will lessen
 You will lessen
 They will lessen
 
 |  | 
| Future perfect |  | 
| I will have lessened You will have lessened
 He/She/It will have lessened
 We will have lessened
 You will have lessened
 They will have lessened
 
 |  | 
| SUBJUNTIVE |  | 
| Present |  | 
| I (that )may lessen You (that )may lessen
 He/She/It (that )may lessen
 We (that )may lessen
 You (that )may lessen
 They (that )may lessen
 
 |  | 
| Imperfect |  | 
| I (that )might lessen You (that )might lessen
 He/She/It (that )might lessen
 We (that )might lessen
 You (that )might lessen
 They (that )might lessen
 
 |  | 
| Perfect |  | 
| I (whether) lessened You (whether) lessened
 He/She/It (whether) lessened
 We (whether) lessened
 You (whether) lessened
 They (whether) lessened
 
 |  | 
| Pluperfect |  | 
| I (whether) had lessened You (whether) had lessened
 He/She/It (whether) had lessened
 We (whether) had lessened
 You (whether) had lessened
 They (whether) had lessened
 
 |  | 
| CONDITIONAL |  | 
| Present |  | 
| I would lessen You would lessen
 He/She/It would lessen
 We would lessen
 You would lessen
 They would lessen
 
 |  | 
| Perfect |  | 
| I would have lessened You would have lessened
 He/She/It would have lessened
 We would have lessened
 You would have lessened
 They would have lessened
 
 |  | 
| IMPERATIVE |  | 
| Present |  | 
| let me lessen lessen
 let him lessen
 let us lessen
 lessen
 let them lessen
 
 |  | 
| PARTICIPLE |  | 
| Present |  | 
| lessening 
 |  | 
| Perfect |  | 
| lessened 
 |  | 
| INFINITIVE |  | 
| Present |  | 
| to lessen 
 |  | 
| Perfect |  | 
| have lessened 
 |  | 
| GERUND |  | 
| Present |  | 
| lessening 
 |  | 
| Perfect |  | 
| having lessened 
 |  |