could migrate
Verbo regular: migrate - migrated- migrated

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could migrate
you could migrate
he could migrate
we could migrate
you could migrate
they could migrate 	I could be migrating
you could be migrating
he could be migrating
we could be migrating
you could be migrating
they could be migrating	I could have migrated
you could have migrated
he could have migrated
we could have migrated
you could have migrated
they could have migrated	I could have been migrating
you could have been migrating
he could have been migrating
we could have been migrating
you could have been migrating
they could have been migrating	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could not migrate
you could not migrate
he could not migrate
we could not migrate
you could not migrate
they could not migrate 	I could not be migrating
you could not be migrating
he could not be migrating
we could not be migrating
you could not be migrating
they could not be migrating	I could not have migrated
you could not have migrated
he could not have migrated
we could not have migrated
you could not have migrated
they could not have migrated	I could not have been migrating
you could not have been migrating
he could not have been migrating
we could not have been migrating
you could not have been migrating
they could not have been migrating	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I migrate?
could you migrate?
could he migrate?
could we migrate?
could you migrate?
could they migrate? 	could I be migrating?
could you be migrating?
could he be migrating?
could we be migrating?
could you be migrating?
could they be migrating? 	could I have migrated?
could you have migrated?
could he have migrated?
could we have migrated?
could you have migrated?
could they have migrated? 	could I have been migrating?
could you have been migrating?
could he have been migrating?
could we have been migrating?
could you have been migrating?
could they have been migrating? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I not migrate?
could you not migrate?
could he not migrate?
could we not migrate?
could you not migrate?
could they not migrate? 	could I not be migrating?
could you not be migrating?
could he not be migrating?
could we not be migrating?
could you not be migrating?
could they not be migrating? 	could I not have migrated?
could you not have migrated?
could he not have migrated?
could we not have migrated?
could you not have migrated?
could they not have migrated? 	could I not have been migrating?
could you not have been migrating?
could he not have been migrating?
could we not have been migrating?
could you not have been migrating?
could they not have been migrating?