English verb conjugation COULD ENLIGHTEN

Regular verb: enlighten - enlightened - enlightened

Affirmation

Simple form

I could enlighten
you could enlighten
he could enlighten
we could enlighten
you could enlighten
they could enlighten

V-ing form

I could be enlightening
you could be enlightening
he could be enlightening
we could be enlightening
you could be enlightening
they could be enlightening

Perfect

I could have enlightened
you could have enlightened
he could have enlightened
we could have enlightened
you could have enlightened
they could have enlightened

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I enlighten?
could you enlighten?
could he enlighten?
could we enlighten?
could you enlighten?
could they enlighten?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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