could apperceive
Verbo regular: apperceive - apperceived- apperceived

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could apperceive
you could apperceive
she could apperceive
we could apperceive
you could apperceive
they could apperceive 	I could be apperceiving
you could be apperceiving
she could be apperceiving
we could be apperceiving
you could be apperceiving
they could be apperceiving	I could have apperceived
you could have apperceived
she could have apperceived
we could have apperceived
you could have apperceived
they could have apperceived	I could have been apperceiving
you could have been apperceiving
she could have been apperceiving
we could have been apperceiving
you could have been apperceiving
they could have been apperceiving	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I could not apperceive
you could not apperceive
she could not apperceive
we could not apperceive
you could not apperceive
they could not apperceive 	I could not be apperceiving
you could not be apperceiving
she could not be apperceiving
we could not be apperceiving
you could not be apperceiving
they could not be apperceiving	I could not have apperceived
you could not have apperceived
she could not have apperceived
we could not have apperceived
you could not have apperceived
they could not have apperceived	I could not have been apperceiving
you could not have been apperceiving
she could not have been apperceiving
we could not have been apperceiving
you could not have been apperceiving
they could not have been apperceiving	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I apperceive?
could you apperceive?
could she apperceive?
could we apperceive?
could you apperceive?
could they apperceive? 	could I be apperceiving?
could you be apperceiving?
could she be apperceiving?
could we be apperceiving?
could you be apperceiving?
could they be apperceiving? 	could I have apperceived?
could you have apperceived?
could she have apperceived?
could we have apperceived?
could you have apperceived?
could they have apperceived? 	could I have been apperceiving?
could you have been apperceiving?
could she have been apperceiving?
could we have been apperceiving?
could you have been apperceiving?
could they have been apperceiving? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
could I not apperceive?
could you not apperceive?
could she not apperceive?
could we not apperceive?
could you not apperceive?
could they not apperceive? 	could I not be apperceiving?
could you not be apperceiving?
could she not be apperceiving?
could we not be apperceiving?
could you not be apperceiving?
could they not be apperceiving? 	could I not have apperceived?
could you not have apperceived?
could she not have apperceived?
could we not have apperceived?
could you not have apperceived?
could they not have apperceived? 	could I not have been apperceiving?
could you not have been apperceiving?
could she not have been apperceiving?
could we not have been apperceiving?
could you not have been apperceiving?
could they not have been apperceiving?