English verb conjugation COULD RETESTIFY

Regular verb: retestify - retestified - retestified

Affirmation

Simple form

I could retestify
you could retestify
he could retestify
we could retestify
you could retestify
they could retestify

V-ing form

I could be retestifying
you could be retestifying
he could be retestifying
we could be retestifying
you could be retestifying
they could be retestifying

Perfect

I could have retestified
you could have retestified
he could have retestified
we could have retestified
you could have retestified
they could have retestified

V-ing perfect

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

Negation

Simple form

I could not retestify
you could not retestify
he could not retestify
we could not retestify
you could not retestify
they could not retestify

V-ing form

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

Perfect

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

V-ing perfect

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

Interrogative form

Simple form

could I retestify?
could you retestify?
could he retestify?
could we retestify?
could you retestify?
could they retestify?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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