English verb conjugation COULD FALSIFY

Regular verb: falsify - falsified - falsified

Affirmation

Simple form

I could falsify
you could falsify
he could falsify
we could falsify
you could falsify
they could falsify

V-ing form

I could be falsifying
you could be falsifying
he could be falsifying
we could be falsifying
you could be falsifying
they could be falsifying

Perfect

I could have falsified
you could have falsified
he could have falsified
we could have falsified
you could have falsified
they could have falsified

V-ing perfect

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

Negation

Simple form

I couldn't falsify
you couldn't falsify
he couldn't falsify
we couldn't falsify
you couldn't falsify
they couldn't falsify

V-ing form

I couldn't be falsifying
you couldn't be falsifying
he couldn't be falsifying
we couldn't be falsifying
you couldn't be falsifying
they couldn't be falsifying

Perfect

I couldn't have falsified
you couldn't have falsified
he couldn't have falsified
we couldn't have falsified
you couldn't have falsified
they couldn't have falsified

V-ing perfect

I couldn't have been falsifying
you couldn't have been falsifying
he couldn't have been falsifying
we couldn't have been falsifying
you couldn't have been falsifying
they couldn't have been falsifying

Interrogative form

Simple form

could I falsify?
could you falsify?
could he falsify?
could we falsify?
could you falsify?
could they falsify?

V-ing form

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

Perfect

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

V-ing perfect

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

Interro-negative form

Simple form

couldn't I falsify?
couldn't you falsify?
couldn't he falsify?
couldn't we falsify?
couldn't you falsify?
couldn't they falsify?

V-ing form

couldn't I be falsifying?
couldn't you be falsifying?
couldn't he be falsifying?
couldn't we be falsifying?
couldn't you be falsifying?
couldn't they be falsifying?

Perfect

couldn't I have falsified?
couldn't you have falsified?
couldn't he have falsified?
couldn't we have falsified?
couldn't you have falsified?
couldn't they have falsified?

V-ing perfect

couldn't I have been falsifying?
couldn't you have been falsifying?
couldn't he have been falsifying?
couldn't we have been falsifying?
couldn't you have been falsifying?
couldn't they have been falsifying?

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