could apperceive
Verbo regular: apperceive - apperceived- apperceived

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could apperceive
you could apperceive
he could apperceive
we could apperceive
you could apperceive
they could apperceive 	I could be apperceiving
you could be apperceiving
he could be apperceiving
we could be apperceiving
you could be apperceiving
they could be apperceiving	I could have apperceived
you could have apperceived
he 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
he could have been apperceiving
we could have been apperceiving
you could have been apperceiving
they could have been apperceiving	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could not apperceive
you could not apperceive
he 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
he 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
he 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
he 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 com V-ing 	Perfeito 	Perfeito com V-ing 	
could I apperceive?
could you apperceive?
could he apperceive?
could we apperceive?
could you apperceive?
could they apperceive? 	could I be apperceiving?
could you be apperceiving?
could he be apperceiving?
could we be apperceiving?
could you be apperceiving?
could they be apperceiving? 	could I have apperceived?
could you have apperceived?
could he 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 he have been apperceiving?
could we have been apperceiving?
could you have been apperceiving?
could they have been apperceiving? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I not apperceive?
could you not apperceive?
could he 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 he 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 he 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 he not have been apperceiving?
could we not have been apperceiving?
could you not have been apperceiving?
could they not have been apperceiving?