could recognize
Verbo regular: recognize - recognized- recognized

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could recognize
you could recognize
she could recognize
we could recognize
you could recognize
they could recognize 	I could be recognizing
you could be recognizing
she could be recognizing
we could be recognizing
you could be recognizing
they could be recognizing	I could have recognized
you could have recognized
she could have recognized
we could have recognized
you could have recognized
they could have recognized	I could have been recognizing
you could have been recognizing
she could have been recognizing
we could have been recognizing
you could have been recognizing
they could have been recognizing	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I couldn't recognize
you couldn't recognize
she couldn't recognize
we couldn't recognize
you couldn't recognize
they couldn't recognize 	I couldn't be recognizing
you couldn't be recognizing
she couldn't be recognizing
we couldn't be recognizing
you couldn't be recognizing
they couldn't be recognizing	I couldn't have recognized
you couldn't have recognized
she couldn't have recognized
we couldn't have recognized
you couldn't have recognized
they couldn't have recognized	I couldn't have been recognizing
you couldn't have been recognizing
she couldn't have been recognizing
we couldn't have been recognizing
you couldn't have been recognizing
they couldn't have been recognizing	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I recognize?
could you recognize?
could she recognize?
could we recognize?
could you recognize?
could they recognize? 	could I be recognizing?
could you be recognizing?
could she be recognizing?
could we be recognizing?
could you be recognizing?
could they be recognizing? 	could I have recognized?
could you have recognized?
could she have recognized?
could we have recognized?
could you have recognized?
could they have recognized? 	could I have been recognizing?
could you have been recognizing?
could she have been recognizing?
could we have been recognizing?
could you have been recognizing?
could they have been recognizing? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
couldn't I recognize?
couldn't you recognize?
couldn't she recognize?
couldn't we recognize?
couldn't you recognize?
couldn't they recognize? 	couldn't I be recognizing?
couldn't you be recognizing?
couldn't she be recognizing?
couldn't we be recognizing?
couldn't you be recognizing?
couldn't they be recognizing? 	couldn't I have recognized?
couldn't you have recognized?
couldn't she have recognized?
couldn't we have recognized?
couldn't you have recognized?
couldn't they have recognized? 	couldn't I have been recognizing?
couldn't you have been recognizing?
couldn't she have been recognizing?
couldn't we have been recognizing?
couldn't you have been recognizing?
couldn't they have been recognizing?