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 can't box
you can't box
he can't box
we can't box
you can't box
they can't box

V-ing form

I can't be boxing
you can't be boxing
he can't be boxing
we can't be boxing
you can't be boxing
they can't be boxing

Perfect

I can't have boxed
you can't have boxed
he can't have boxed
we can't have boxed
you can't have boxed
they can't have boxed

V-ing perfect

I can't have been boxing
you can't have been boxing
he can't have been boxing
we can't have been boxing
you can't have been boxing
they can't 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't I box?
can't you box?
can't he box?
can't we box?
can't you box?
can't they box?

V-ing form

can't I be boxing?
can't you be boxing?
can't he be boxing?
can't we be boxing?
can't you be boxing?
can't they be boxing?

Perfect

can't I have boxed?
can't you have boxed?
can't he have boxed?
can't we have boxed?
can't you have boxed?
can't they have boxed?

V-ing perfect

can't I have been boxing?
can't you have been boxing?
can't he have been boxing?
can't we have been boxing?
can't you have been boxing?
can't they have been boxing?

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