
Regular verb: master - mastered - mastered
| Present | Present continuous | Preterite | Preterite continuous | 
| I master you master he masters we master you master they master | I am mastering you are mastering he is mastering we are mastering you are mastering they are mastering | I mastered you mastered he mastered we mastered you mastered they mastered | I was mastering you were mastering he was mastering we were mastering you were mastering they were mastering | 
| Present perfect | Present perfect continuous | Pluperfect | Pluperfect continuous | 
| I have mastered you have mastered he has mastered we have mastered you have mastered they have mastered | I have been mastering you have been mastering he has been mastering we have been mastering you have been mastering they have been mastering | I had mastered you had mastered he had mastered we had mastered you had mastered they had mastered | I had been mastering you had been mastering he had been mastering we had been mastering you had been mastering they had been mastering | 
| Future | Future continuous | Future perfect | Future perfect continuous | 
| I will master you will master he will master we will master you will master they will master | I will be mastering you will be mastering he will be mastering we will be mastering you will be mastering they will be mastering | I will have mastered you will have mastered he will have mastered we will have mastered you will have mastered they will have mastered | I will have been mastering you will have been mastering he will have been mastering we will have been mastering you will have been mastering they will have been mastering | 
| Present | Present continuous | Past | Past continuous | 
| I would master you would master he would master we would master you would master they would master | I would be mastering you would be mastering he would be mastering we would be mastering you would be mastering they would be mastering | I would have mastered you would have mastered he would have mastered we would have mastered you would have mastered they would have mastered | I would have been mastering you would have been mastering he would have been mastering we would have been mastering you would have been mastering they would have been mastering | 
| Infinitive | Imperative | 
| Infinitive | Imperative | ||
| to master | master Let's master master | 
| Present | Past | ||
| mastering | mastered |