
Regular verb: lesson - lessoned - lessoned
Present | Present continuous | Preterite | Preterite continuous | 
| I don't lesson you don't lesson she doesn't lesson we don't lesson you don't lesson they don't lesson  | I'm not lessoning you aren't lessoning she isn't lessoning we aren't lessoning you aren't lessoning they aren't lessoning  | I didn't lesson you didn't lesson she didn't lesson we didn't lesson you didn't lesson they didn't lesson  | I wasn't lessoning you weren't lessoning she wasn't lessoning we weren't lessoning you weren't lessoning they weren't lessoning  | 
Present perfect | Present perfect continuous | Pluperfect | Pluperfect continuous | 
| I haven't lessoned you haven't lessoned she hasn't lessoned we haven't lessoned you haven't lessoned they haven't lessoned  | I haven't  been lessoning you haven't been lessoning she hasn't been lessoning we haven't been lessoning you haven't been lessoning they haven't been lessoning  | I hadn't lessoned you hadn't lessoned she hadn't lessoned we hadn't lessoned you hadn't lessoned they hadn't lessoned  | I hadn't been lessoning you hadn't been lessoning she hadn't been lessoning we hadn't been lessoning you hadn't been lessoning they hadn't been lessoning  | 
Future | Future continuous | Future perfect | Future perfect continuous | 
| I won't lesson you won't lesson she won't lesson we won't lesson you won't lesson they won't lesson  | I won't be lessoning you won't be lessoning she won't be lessoning we won't be lessoning you won't be lessoning they won't be lessoning  | I won't have lessoned you won't have lessoned she won't have lessoned we won't have lessoned you won't have lessoned they won't have lessoned  | I won't have been lessoning you won't have been lessoning she won't have been lessoning we won't have been lessoning you won't have been lessoning they won't have been lessoning  | 
Present | Present continuous | Past | Past continuous | 
| I wouldn't lesson you wouldn't lesson she wouldn't lesson we wouldn't lesson you wouldn't lesson they wouldn't lesson  | I wouldn't be lessoning you wouldn't be lessoning she wouldn't be lessoning we wouldn't be lessoning you wouldn't be lessoning they wouldn't be lessoning  | I wouldn't have lessoned you wouldn't have lessoned she wouldn't have lessoned we wouldn't have lessoned you wouldn't have lessoned they wouldn't have lessoned  | I wouldn't have been lessoning you wouldn't have been lessoning she wouldn't have been lessoning we wouldn't have been lessoning you wouldn't have been lessoning they wouldn't have been lessoning  | 
Infinitive | Imperative | 
Infinitive | Imperative | ||
| to lesson | do not lesson Let's not lesson do not lesson  | 
Present | Past | ||
| lessoning | lessoned |