English verb conjugation COULD DUPLICATE

Regular verb: duplicate - duplicated - duplicated

Affirmation

Simple form

I could duplicate
you could duplicate
he could duplicate
we could duplicate
you could duplicate
they could duplicate

V-ing form

I could be duplicating
you could be duplicating
he could be duplicating
we could be duplicating
you could be duplicating
they could be duplicating

Perfect

I could have duplicated
you could have duplicated
he could have duplicated
we could have duplicated
you could have duplicated
they could have duplicated

V-ing perfect

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

Negation

Simple form

I could not duplicate
you could not duplicate
he could not duplicate
we could not duplicate
you could not duplicate
they could not duplicate

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I duplicate?
could you duplicate?
could he duplicate?
could we duplicate?
could you duplicate?
could they duplicate?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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