English verb conjugation CAN BLACKEN

Regular verb: blacken - blackened - blackened

Affirmation

Simple form

I can blacken
you can blacken
he can blacken
we can blacken
you can blacken
they can blacken

V-ing form

I can be blackening
you can be blackening
he can be blackening
we can be blackening
you can be blackening
they can be blackening

Perfect

I can have blackened
you can have blackened
he can have blackened
we can have blackened
you can have blackened
they can have blackened

V-ing perfect

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

Negation

Simple form

I can't blacken
you can't blacken
he can't blacken
we can't blacken
you can't blacken
they can't blacken

V-ing form

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

Perfect

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

V-ing perfect

I can't have been blackening
you can't have been blackening
he can't have been blackening
we can't have been blackening
you can't have been blackening
they can't have been blackening

Interrogative form

Simple form

can I blacken?
can you blacken?
can he blacken?
can we blacken?
can you blacken?
can they blacken?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

can't I blacken?
can't you blacken?
can't he blacken?
can't we blacken?
can't you blacken?
can't they blacken?

V-ing form

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

Perfect

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

V-ing perfect

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

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