Verbo regular: master - mastered - mastered
Forma simple | Forma com V-ing |
I could master you could master she could master we could master you could master they could master | I could be mastering you could be mastering she could be mastering we could be mastering you could be mastering they could be mastering |
Perfeito | Perfeito com V-ing |
I could have mastered you could have mastered she could have mastered we could have mastered you could have mastered they could have mastered | I could have been mastering you could have been mastering she could have been mastering we could have been mastering you could have been mastering they could have been mastering |
Forma simple | Forma com V-ing |
I couldn't master you couldn't master she couldn't master we couldn't master you couldn't master they couldn't master | I couldn't be mastering you couldn't be mastering she couldn't be mastering we couldn't be mastering you couldn't be mastering they couldn't be mastering |
Perfeito | Perfeito com V-ing |
I couldn't have mastered you couldn't have mastered she couldn't have mastered we couldn't have mastered you couldn't have mastered they couldn't have mastered | I couldn't have been mastering you couldn't have been mastering she couldn't have been mastering we couldn't have been mastering you couldn't have been mastering they couldn't have been mastering |
Forma simple | Forma com V-ing |
could I master? could you master? could she master? could we master? could you master? could they master? | could I be mastering? could you be mastering? could she be mastering? could we be mastering? could you be mastering? could they be mastering? |
Perfeito | Perfeito com V-ing |
could I have mastered? could you have mastered? could she have mastered? could we have mastered? could you have mastered? could they have mastered? | could I have been mastering? could you have been mastering? could she have been mastering? could we have been mastering? could you have been mastering? could they have been mastering? |
Forma simple | Forma com V-ing |
couldn't I master? couldn't you master? couldn't she master? couldn't we master? couldn't you master? couldn't they master? | couldn't I be mastering? couldn't you be mastering? couldn't she be mastering? couldn't we be mastering? couldn't you be mastering? couldn't they be mastering? |
Perfeito | Perfeito com V-ing |
couldn't I have mastered? couldn't you have mastered? couldn't she have mastered? couldn't we have mastered? couldn't you have mastered? couldn't they have mastered? | couldn't I have been mastering? couldn't you have been mastering? couldn't she have been mastering? couldn't we have been mastering? couldn't you have been mastering? couldn't they have been mastering? |