could undeceive
Verbo regular: undeceive - undeceived- undeceived

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could undeceive
you could undeceive
he could undeceive
we could undeceive
you could undeceive
they could undeceive 	I could be undeceiving
you could be undeceiving
he could be undeceiving
we could be undeceiving
you could be undeceiving
they could be undeceiving	I could have undeceived
you could have undeceived
he could have undeceived
we could have undeceived
you could have undeceived
they could have undeceived	I could have been undeceiving
you could have been undeceiving
he could have been undeceiving
we could have been undeceiving
you could have been undeceiving
they could have been undeceiving	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I couldn't undeceive
you couldn't undeceive
he couldn't undeceive
we couldn't undeceive
you couldn't undeceive
they couldn't undeceive 	I couldn't be undeceiving
you couldn't be undeceiving
he couldn't be undeceiving
we couldn't be undeceiving
you couldn't be undeceiving
they couldn't be undeceiving	I couldn't have undeceived
you couldn't have undeceived
he couldn't have undeceived
we couldn't have undeceived
you couldn't have undeceived
they couldn't have undeceived	I couldn't have been undeceiving
you couldn't have been undeceiving
he couldn't have been undeceiving
we couldn't have been undeceiving
you couldn't have been undeceiving
they couldn't have been undeceiving	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I undeceive?
could you undeceive?
could he undeceive?
could we undeceive?
could you undeceive?
could they undeceive? 	could I be undeceiving?
could you be undeceiving?
could he be undeceiving?
could we be undeceiving?
could you be undeceiving?
could they be undeceiving? 	could I have undeceived?
could you have undeceived?
could he have undeceived?
could we have undeceived?
could you have undeceived?
could they have undeceived? 	could I have been undeceiving?
could you have been undeceiving?
could he have been undeceiving?
could we have been undeceiving?
could you have been undeceiving?
could they have been undeceiving? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
couldn't I undeceive?
couldn't you undeceive?
couldn't he undeceive?
couldn't we undeceive?
couldn't you undeceive?
couldn't they undeceive? 	couldn't I be undeceiving?
couldn't you be undeceiving?
couldn't he be undeceiving?
couldn't we be undeceiving?
couldn't you be undeceiving?
couldn't they be undeceiving? 	couldn't I have undeceived?
couldn't you have undeceived?
couldn't he have undeceived?
couldn't we have undeceived?
couldn't you have undeceived?
couldn't they have undeceived? 	couldn't I have been undeceiving?
couldn't you have been undeceiving?
couldn't he have been undeceiving?
couldn't we have been undeceiving?
couldn't you have been undeceiving?
couldn't they have been undeceiving?