English verb conjugation CAN RETESTIFY

Regular verb: retestify - retestified - retestified

Affirmation

Simple form

I can retestify
you can retestify
he can retestify
we can retestify
you can retestify
they can retestify

V-ing form

I can be retestifying
you can be retestifying
he can be retestifying
we can be retestifying
you can be retestifying
they can be retestifying

Perfect

I can have retestified
you can have retestified
he can have retestified
we can have retestified
you can have retestified
they can have retestified

V-ing perfect

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

Negation

Simple form

I cannot retestify
you cannot retestify
he cannot retestify
we cannot retestify
you cannot retestify
they cannot retestify

V-ing form

I cannot be retestifying
you cannot be retestifying
he cannot be retestifying
we cannot be retestifying
you cannot be retestifying
they cannot be retestifying

Perfect

I cannot have retestified
you cannot have retestified
he cannot have retestified
we cannot have retestified
you cannot have retestified
they cannot have retestified

V-ing perfect

I cannot have been retestifying
you cannot have been retestifying
he cannot have been retestifying
we cannot have been retestifying
you cannot have been retestifying
they cannot have been retestifying

Interrogative form

Simple form

can I retestify?
can you retestify?
can he retestify?
can we retestify?
can you retestify?
can they retestify?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

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

V-ing form

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

Perfect

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

V-ing perfect

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

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