Conjugación del verbo inglés
CAN MASTER

Verbo regular: master - mastered - mastered

Afirmación

Forma simple	Forma con V-ing
I can master you can master he can master we can master you can master they can master	I can be mastering you can be mastering he can be mastering we can be mastering you can be mastering they can be mastering
Perfecto	Perfecto con V-ing
I can have mastered you can have mastered he can have mastered we can have mastered you can have mastered they can have mastered	I can have been mastering you can have been mastering he can have been mastering we can have been mastering you can have been mastering they can have been mastering

Negación

Forma simple	Forma con V-ing
I cannot master you cannot master he cannot master we cannot master you cannot master they cannot master	I cannot be mastering you cannot be mastering he cannot be mastering we cannot be mastering you cannot be mastering they cannot be mastering
Perfecto	Perfecto con V-ing
I cannot have mastered you cannot have mastered he cannot have mastered we cannot have mastered you cannot have mastered they cannot have mastered	I cannot have been mastering you cannot have been mastering he cannot have been mastering we cannot have been mastering you cannot have been mastering they cannot have been mastering

Forma interrogativa

Forma simple	Forma con V-ing
can I master? can you master? can he master? can we master? can you master? can they master?	can I be mastering? can you be mastering? can he be mastering? can we be mastering? can you be mastering? can they be mastering?
Perfecto	Perfecto con V-ing
can I have mastered? can you have mastered? can he have mastered? can we have mastered? can you have mastered? can they have mastered?	can I have been mastering? can you have been mastering? can he have been mastering? can we have been mastering? can you have been mastering? can they have been mastering?

Forma interro-negativa

Forma simple	Forma con V-ing
can I not master? can you not master? can he not master? can we not master? can you not master? can they not master?	can I not be mastering? can you not be mastering? can he not be mastering? can we not be mastering? can you not be mastering? can they not be mastering?
Perfecto	Perfecto con V-ing
can I not have mastered? can you not have mastered? can he not have mastered? can we not have mastered? can you not have mastered? can they not have mastered?	can I not have been mastering? can you not have been mastering? can he not have been mastering? can we not have been mastering? can you not have been mastering? can they not have been mastering?