English verb conjugation COULD GREATEN

Regular verb: greaten - greatened - greatened

Affirmation

Simple form

I could greaten
you could greaten
he could greaten
we could greaten
you could greaten
they could greaten

V-ing form

I could be greatening
you could be greatening
he could be greatening
we could be greatening
you could be greatening
they could be greatening

Perfect

I could have greatened
you could have greatened
he could have greatened
we could have greatened
you could have greatened
they could have greatened

V-ing perfect

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

Negation

Simple form

I could not greaten
you could not greaten
he could not greaten
we could not greaten
you could not greaten
they could not greaten

V-ing form

I could not be greatening
you could not be greatening
he could not be greatening
we could not be greatening
you could not be greatening
they could not be greatening

Perfect

I could not have greatened
you could not have greatened
he could not have greatened
we could not have greatened
you could not have greatened
they could not have greatened

V-ing perfect

I could not have been greatening
you could not have been greatening
he could not have been greatening
we could not have been greatening
you could not have been greatening
they could not have been greatening

Interrogative form

Simple form

could I greaten?
could you greaten?
could he greaten?
could we greaten?
could you greaten?
could they greaten?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

could I not greaten?
could you not greaten?
could he not greaten?
could we not greaten?
could you not greaten?
could they not greaten?

V-ing form

could I not be greatening?
could you not be greatening?
could he not be greatening?
could we not be greatening?
could you not be greatening?
could they not be greatening?

Perfect

could I not have greatened?
could you not have greatened?
could he not have greatened?
could we not have greatened?
could you not have greatened?
could they not have greatened?

V-ing perfect

could I not have been greatening?
could you not have been greatening?
could he not have been greatening?
could we not have been greatening?
could you not have been greatening?
could they not have been greatening?

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