could falsify
Verbo regolare: falsify - falsified- falsified

Affermazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I could falsify
you could falsify
he could falsify
we could falsify
you could falsify
they could falsify 	I could be falsifying
you could be falsifying
he could be falsifying
we could be falsifying
you could be falsifying
they could be falsifying	I could have falsified
you could have falsified
he could have falsified
we could have falsified
you could have falsified
they could have falsified	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	

Negazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I couldn't falsify
you couldn't falsify
he couldn't falsify
we couldn't falsify
you couldn't falsify
they couldn't falsify 	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	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	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	

Forma interrogativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
could I falsify?
could you falsify?
could he falsify?
could we falsify?
could you falsify?
could they falsify? 	could I be falsifying?
could you be falsifying?
could he be falsifying?
could we be falsifying?
could you be falsifying?
could they be falsifying? 	could I have falsified?
could you have falsified?
could he have falsified?
could we have falsified?
could you have falsified?
could they have falsified? 	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? 	

Forma interro-negativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
couldn't I falsify?
couldn't you falsify?
couldn't he falsify?
couldn't we falsify?
couldn't you falsify?
couldn't they falsify? 	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? 	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? 	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?