should falsify
Regular verb: falsify - falsified- falsified

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I should falsify
you should falsify
he should falsify
we should falsify
you should falsify
they should falsify 	I should be falsifying
you should be falsifying
he should be falsifying
we should be falsifying
you should be falsifying
they should be falsifying	I should have falsified
you should have falsified
he should have falsified
we should have falsified
you should have falsified
they should have falsified	I should have been falsifying
you should have been falsifying
he should have been falsifying
we should have been falsifying
you should have been falsifying
they should have been falsifying	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I should not falsify
you should not falsify
he should not falsify
we should not falsify
you should not falsify
they should not falsify 	I should not be falsifying
you should not be falsifying
he should not be falsifying
we should not be falsifying
you should not be falsifying
they should not be falsifying	I should not have falsified
you should not have falsified
he should not have falsified
we should not have falsified
you should not have falsified
they should not have falsified	I should not have been falsifying
you should not have been falsifying
he should not have been falsifying
we should not have been falsifying
you should not have been falsifying
they should not have been falsifying	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I falsify?
should you falsify?
should he falsify?
should we falsify?
should you falsify?
should they falsify? 	should I be falsifying?
should you be falsifying?
should he be falsifying?
should we be falsifying?
should you be falsifying?
should they be falsifying? 	should I have falsified?
should you have falsified?
should he have falsified?
should we have falsified?
should you have falsified?
should they have falsified? 	should I have been falsifying?
should you have been falsifying?
should he have been falsifying?
should we have been falsifying?
should you have been falsifying?
should they have been falsifying? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
should I not falsify?
should you not falsify?
should he not falsify?
should we not falsify?
should you not falsify?
should they not falsify? 	should I not be falsifying?
should you not be falsifying?
should he not be falsifying?
should we not be falsifying?
should you not be falsifying?
should they not be falsifying? 	should I not have falsified?
should you not have falsified?
should he not have falsified?
should we not have falsified?
should you not have falsified?
should they not have falsified? 	should I not have been falsifying?
should you not have been falsifying?
should he not have been falsifying?
should we not have been falsifying?
should you not have been falsifying?
should they not have been falsifying?