English verb conjugation COULD DARKLE

Regular verb: darkle - darkled - darkled

Affirmation

Simple form

I could darkle
you could darkle
he could darkle
we could darkle
you could darkle
they could darkle

V-ing form

I could be darkling
you could be darkling
he could be darkling
we could be darkling
you could be darkling
they could be darkling

Perfect

I could have darkled
you could have darkled
he could have darkled
we could have darkled
you could have darkled
they could have darkled

V-ing perfect

I could have been darkling
you could have been darkling
he could have been darkling
we could have been darkling
you could have been darkling
they could have been darkling

Negation

Simple form

I couldn't darkle
you couldn't darkle
he couldn't darkle
we couldn't darkle
you couldn't darkle
they couldn't darkle

V-ing form

I couldn't be darkling
you couldn't be darkling
he couldn't be darkling
we couldn't be darkling
you couldn't be darkling
they couldn't be darkling

Perfect

I couldn't have darkled
you couldn't have darkled
he couldn't have darkled
we couldn't have darkled
you couldn't have darkled
they couldn't have darkled

V-ing perfect

I couldn't have been darkling
you couldn't have been darkling
he couldn't have been darkling
we couldn't have been darkling
you couldn't have been darkling
they couldn't have been darkling

Interrogative form

Simple form

could I darkle?
could you darkle?
could he darkle?
could we darkle?
could you darkle?
could they darkle?

V-ing form

could I be darkling?
could you be darkling?
could he be darkling?
could we be darkling?
could you be darkling?
could they be darkling?

Perfect

could I have darkled?
could you have darkled?
could he have darkled?
could we have darkled?
could you have darkled?
could they have darkled?

V-ing perfect

could I have been darkling?
could you have been darkling?
could he have been darkling?
could we have been darkling?
could you have been darkling?
could they have been darkling?

Interro-negative form

Simple form

couldn't I darkle?
couldn't you darkle?
couldn't he darkle?
couldn't we darkle?
couldn't you darkle?
couldn't they darkle?

V-ing form

couldn't I be darkling?
couldn't you be darkling?
couldn't he be darkling?
couldn't we be darkling?
couldn't you be darkling?
couldn't they be darkling?

Perfect

couldn't I have darkled?
couldn't you have darkled?
couldn't he have darkled?
couldn't we have darkled?
couldn't you have darkled?
couldn't they have darkled?

V-ing perfect

couldn't I have been darkling?
couldn't you have been darkling?
couldn't he have been darkling?
couldn't we have been darkling?
couldn't you have been darkling?
couldn't they have been darkling?

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