English verb conjugation CAN MASTER

Regular verb: master - mastered - mastered

Affirmation

Simple form

I can master
you can master
he can master
we can master
you can master
they can master

V-ing form

I can be mastering
you can be mastering
he can be mastering
we can be mastering
you can be mastering
they can be mastering

Perfect

I can have mastered
you can have mastered
he can have mastered
we can have mastered
you can have mastered
they can have mastered

V-ing perfect

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

Negation

Simple form

I cannot master
you cannot master
he cannot master
we cannot master
you cannot master
they cannot master

V-ing form

I cannot be mastering
you cannot be mastering
he cannot be mastering
we cannot be mastering
you cannot be mastering
they cannot be mastering

Perfect

I cannot have mastered
you cannot have mastered
he cannot have mastered
we cannot have mastered
you cannot have mastered
they cannot have mastered

V-ing perfect

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

Interrogative form

Simple form

can I master?
can you master?
can he master?
can we master?
can you master?
can they master?

V-ing form

can I be mastering?
can you be mastering?
can he be mastering?
can we be mastering?
can you be mastering?
can they be mastering?

Perfect

can I have mastered?
can you have mastered?
can he have mastered?
can we have mastered?
can you have mastered?
can they have mastered?

V-ing perfect

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?

Interro-negative form

Simple form

can I not master?
can you not master?
can he not master?
can we not master?
can you not master?
can they not master?

V-ing form

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?

Perfect

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?

V-ing perfect

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?

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