English verb conjugation COULD PERPETUATE

Regular verb: perpetuate - perpetuated - perpetuated

Affirmation

Simple form

I could perpetuate
you could perpetuate
he could perpetuate
we could perpetuate
you could perpetuate
they could perpetuate

V-ing form

I could be perpetuating
you could be perpetuating
he could be perpetuating
we could be perpetuating
you could be perpetuating
they could be perpetuating

Perfect

I could have perpetuated
you could have perpetuated
he could have perpetuated
we could have perpetuated
you could have perpetuated
they could have perpetuated

V-ing perfect

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

Negation

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I perpetuate?
could you perpetuate?
could he perpetuate?
could we perpetuate?
could you perpetuate?
could they perpetuate?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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