| Present Tense | Past Tense | Future Tense |
|---|---|---|
| I master | I mastered | I shall/will master |
| We master | We mastered | We shall/will master |
| You master | You mastered | You will master |
| He masters | He mastered | He will master |
| She masters | She mastered | She will master |
| It masters | It mastered | It will master |
| They master | They mastered | They will master |
| Present Continuous | Past Continuous | Future Continuous |
|---|---|---|
| I am mastering | I was mastering | I shall/will be mastering |
| We are mastering | We were mastering | We shall/will be mastering |
| You are mastering | You were mastering | You will be mastering |
| He is mastering | He was mastering | He will be mastering |
| She is mastering | She was mastering | She will be mastering |
| It is mastering | It was mastering | It will be mastering |
| They are mastering | They were mastering | They will be mastering |
| Present Perfect | Past Perfect | Future Perfect |
|---|---|---|
| I have mastered | I had mastered | I shall/will have mastered |
| We have mastered | We had mastered | We shall/will have mastered |
| You have mastered | You had mastered | You will have mastered |
| He has mastered | He had mastered | He will have mastered |
| She has mastered | She had mastered | She will have mastered |
| It has mastered | It had mastered | It will have mastered |
| They have mastered | They had mastered | They will have mastered |
| Present Perfect Continuous | Past Perfect Continuous | Future Perfect Continuous |
|---|---|---|
| I have been mastering | I had been mastering | I shall/will have been mastering |
| We have been mastering | We had been mastering | We shall/will have been mastering |
| You have been mastering | You had been mastering | You will have been mastering |
| He has been mastering | He had been mastering | He will have been mastering |
| She has been mastering | She had been mastering | She will have been mastering |
| It has been mastering | It had been mastering | It will have been mastering |
| They have been mastering | They had been mastering | They will have been mastering |