English verb conjugation COULD QUADRUPLE

Regular verb: quadruple - quadrupled - quadrupled

Affirmation

Simple form

I could quadruple
you could quadruple
she could quadruple
we could quadruple
you could quadruple
they could quadruple

V-ing form

I could be quadrupling
you could be quadrupling
she could be quadrupling
we could be quadrupling
you could be quadrupling
they could be quadrupling

Perfect

I could have quadrupled
you could have quadrupled
she could have quadrupled
we could have quadrupled
you could have quadrupled
they could have quadrupled

V-ing perfect

I could have been quadrupling
you could have been quadrupling
she could have been quadrupling
we could have been quadrupling
you could have been quadrupling
they could have been quadrupling

Negation

Simple form

I could not quadruple
you could not quadruple
she could not quadruple
we could not quadruple
you could not quadruple
they could not quadruple

V-ing form

I could not be quadrupling
you could not be quadrupling
she could not be quadrupling
we could not be quadrupling
you could not be quadrupling
they could not be quadrupling

Perfect

I could not have quadrupled
you could not have quadrupled
she could not have quadrupled
we could not have quadrupled
you could not have quadrupled
they could not have quadrupled

V-ing perfect

I could not have been quadrupling
you could not have been quadrupling
she could not have been quadrupling
we could not have been quadrupling
you could not have been quadrupling
they could not have been quadrupling

Interrogative form

Simple form

could I quadruple?
could you quadruple?
could she quadruple?
could we quadruple?
could you quadruple?
could they quadruple?

V-ing form

could I be quadrupling?
could you be quadrupling?
could she be quadrupling?
could we be quadrupling?
could you be quadrupling?
could they be quadrupling?

Perfect

could I have quadrupled?
could you have quadrupled?
could she have quadrupled?
could we have quadrupled?
could you have quadrupled?
could they have quadrupled?

V-ing perfect

could I have been quadrupling?
could you have been quadrupling?
could she have been quadrupling?
could we have been quadrupling?
could you have been quadrupling?
could they have been quadrupling?

Interro-negative form

Simple form

could I not quadruple?
could you not quadruple?
could she not quadruple?
could we not quadruple?
could you not quadruple?
could they not quadruple?

V-ing form

could I not be quadrupling?
could you not be quadrupling?
could she not be quadrupling?
could we not be quadrupling?
could you not be quadrupling?
could they not be quadrupling?

Perfect

could I not have quadrupled?
could you not have quadrupled?
could she not have quadrupled?
could we not have quadrupled?
could you not have quadrupled?
could they not have quadrupled?

V-ing perfect

could I not have been quadrupling?
could you not have been quadrupling?
could she not have been quadrupling?
could we not have been quadrupling?
could you not have been quadrupling?
could they not have been quadrupling?

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