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 can't retestify
you can't retestify
he can't retestify
we can't retestify
you can't retestify
they can't retestify

V-ing form

I can't be retestifying
you can't be retestifying
he can't be retestifying
we can't be retestifying
you can't be retestifying
they can't be retestifying

Perfect

I can't have retestified
you can't have retestified
he can't have retestified
we can't have retestified
you can't have retestified
they can't have retestified

V-ing perfect

I can't have been retestifying
you can't have been retestifying
he can't have been retestifying
we can't have been retestifying
you can't have been retestifying
they can't 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't I retestify?
can't you retestify?
can't he retestify?
can't we retestify?
can't you retestify?
can't they retestify?

V-ing form

can't I be retestifying?
can't you be retestifying?
can't he be retestifying?
can't we be retestifying?
can't you be retestifying?
can't they be retestifying?

Perfect

can't I have retestified?
can't you have retestified?
can't he have retestified?
can't we have retestified?
can't you have retestified?
can't they have retestified?

V-ing perfect

can't I have been retestifying?
can't you have been retestifying?
can't he have been retestifying?
can't we have been retestifying?
can't you have been retestifying?
can't they have been retestifying?

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