English verb conjugation COULD QUINTUPLE

Regular verb: quintuple - quintupled - quintupled

Affirmation

Simple form

I could quintuple
you could quintuple
he could quintuple
we could quintuple
you could quintuple
they could quintuple

V-ing form

I could be quintupling
you could be quintupling
he could be quintupling
we could be quintupling
you could be quintupling
they could be quintupling

Perfect

I could have quintupled
you could have quintupled
he could have quintupled
we could have quintupled
you could have quintupled
they could have quintupled

V-ing perfect

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

Negation

Simple form

I could not quintuple
you could not quintuple
he could not quintuple
we could not quintuple
you could not quintuple
they could not quintuple

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I quintuple?
could you quintuple?
could he quintuple?
could we quintuple?
could you quintuple?
could they quintuple?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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