English verb conjugation SHOULD BLACKEN

Regular verb: blacken - blackened - blackened

Affirmation

Simple form

I should blacken
you should blacken
he should blacken
we should blacken
you should blacken
they should blacken

V-ing form

I should be blackening
you should be blackening
he should be blackening
we should be blackening
you should be blackening
they should be blackening

Perfect

I should have blackened
you should have blackened
he should have blackened
we should have blackened
you should have blackened
they should have blackened

V-ing perfect

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

Negation

Simple form

I should not blacken
you should not blacken
he should not blacken
we should not blacken
you should not blacken
they should not blacken

V-ing form

I should not be blackening
you should not be blackening
he should not be blackening
we should not be blackening
you should not be blackening
they should not be blackening

Perfect

I should not have blackened
you should not have blackened
he should not have blackened
we should not have blackened
you should not have blackened
they should not have blackened

V-ing perfect

I should not have been blackening
you should not have been blackening
he should not have been blackening
we should not have been blackening
you should not have been blackening
they should not have been blackening

Interrogative form

Simple form

should I blacken?
should you blacken?
should he blacken?
should we blacken?
should you blacken?
should they blacken?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

should I not blacken?
should you not blacken?
should he not blacken?
should we not blacken?
should you not blacken?
should they not blacken?

V-ing form

should I not be blackening?
should you not be blackening?
should he not be blackening?
should we not be blackening?
should you not be blackening?
should they not be blackening?

Perfect

should I not have blackened?
should you not have blackened?
should he not have blackened?
should we not have blackened?
should you not have blackened?
should they not have blackened?

V-ing perfect

should I not have been blackening?
should you not have been blackening?
should he not have been blackening?
should we not have been blackening?
should you not have been blackening?
should they not have been blackening?

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