could undeceive
Verbo regular: undeceive - undeceived- undeceived

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could undeceive
you could undeceive
she could undeceive
we could undeceive
you could undeceive
they could undeceive 	I could be undeceiving
you could be undeceiving
she could be undeceiving
we could be undeceiving
you could be undeceiving
they could be undeceiving	I could have undeceived
you could have undeceived
she 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
she could have been undeceiving
we could have been undeceiving
you could have been undeceiving
they could have been undeceiving	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could not undeceive
you could not undeceive
she could not undeceive
we could not undeceive
you could not undeceive
they could not undeceive 	I could not be undeceiving
you could not be undeceiving
she could not be undeceiving
we could not be undeceiving
you could not be undeceiving
they could not be undeceiving	I could not have undeceived
you could not have undeceived
she could not have undeceived
we could not have undeceived
you could not have undeceived
they could not have undeceived	I could not have been undeceiving
you could not have been undeceiving
she could not have been undeceiving
we could not have been undeceiving
you could not have been undeceiving
they could not have been undeceiving	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I undeceive?
could you undeceive?
could she undeceive?
could we undeceive?
could you undeceive?
could they undeceive? 	could I be undeceiving?
could you be undeceiving?
could she be undeceiving?
could we be undeceiving?
could you be undeceiving?
could they be undeceiving? 	could I have undeceived?
could you have undeceived?
could she 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 she have been undeceiving?
could we have been undeceiving?
could you have been undeceiving?
could they have been undeceiving? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I not undeceive?
could you not undeceive?
could she not undeceive?
could we not undeceive?
could you not undeceive?
could they not undeceive? 	could I not be undeceiving?
could you not be undeceiving?
could she not be undeceiving?
could we not be undeceiving?
could you not be undeceiving?
could they not be undeceiving? 	could I not have undeceived?
could you not have undeceived?
could she not have undeceived?
could we not have undeceived?
could you not have undeceived?
could they not have undeceived? 	could I not have been undeceiving?
could you not have been undeceiving?
could she not have been undeceiving?
could we not have been undeceiving?
could you not have been undeceiving?
could they not have been undeceiving?