English verb conjugation CAN BOX

Regular verb: box - boxed - boxed

Affirmation

Simple form

I can box
you can box
he can box
we can box
you can box
they can box

V-ing form

I can be boxing
you can be boxing
he can be boxing
we can be boxing
you can be boxing
they can be boxing

Perfect

I can have boxed
you can have boxed
he can have boxed
we can have boxed
you can have boxed
they can have boxed

V-ing perfect

I can have been boxing
you can have been boxing
he can have been boxing
we can have been boxing
you can have been boxing
they can have been boxing

Negation

Simple form

I cannot box
you cannot box
he cannot box
we cannot box
you cannot box
they cannot box

V-ing form

I cannot be boxing
you cannot be boxing
he cannot be boxing
we cannot be boxing
you cannot be boxing
they cannot be boxing

Perfect

I cannot have boxed
you cannot have boxed
he cannot have boxed
we cannot have boxed
you cannot have boxed
they cannot have boxed

V-ing perfect

I cannot have been boxing
you cannot have been boxing
he cannot have been boxing
we cannot have been boxing
you cannot have been boxing
they cannot have been boxing

Interrogative form

Simple form

can I box?
can you box?
can he box?
can we box?
can you box?
can they box?

V-ing form

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

Perfect

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

V-ing perfect

can I have been boxing?
can you have been boxing?
can he have been boxing?
can we have been boxing?
can you have been boxing?
can they have been boxing?

Interro-negative form

Simple form

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

V-ing form

can I not be boxing?
can you not be boxing?
can he not be boxing?
can we not be boxing?
can you not be boxing?
can they not be boxing?

Perfect

can I not have boxed?
can you not have boxed?
can he not have boxed?
can we not have boxed?
can you not have boxed?
can they not have boxed?

V-ing perfect

can I not have been boxing?
can you not have been boxing?
can he not have been boxing?
can we not have been boxing?
can you not have been boxing?
can they not have been boxing?

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