could commend
Verbo regular: commend - commended- commended

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could commend
you could commend
she could commend
we could commend
you could commend
they could commend 	I could be commending
you could be commending
she could be commending
we could be commending
you could be commending
they could be commending	I could have commended
you could have commended
she could have commended
we could have commended
you could have commended
they could have commended	I could have been commending
you could have been commending
she could have been commending
we could have been commending
you could have been commending
they could have been commending	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could not commend
you could not commend
she could not commend
we could not commend
you could not commend
they could not commend 	I could not be commending
you could not be commending
she could not be commending
we could not be commending
you could not be commending
they could not be commending	I could not have commended
you could not have commended
she could not have commended
we could not have commended
you could not have commended
they could not have commended	I could not have been commending
you could not have been commending
she could not have been commending
we could not have been commending
you could not have been commending
they could not have been commending	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I commend?
could you commend?
could she commend?
could we commend?
could you commend?
could they commend? 	could I be commending?
could you be commending?
could she be commending?
could we be commending?
could you be commending?
could they be commending? 	could I have commended?
could you have commended?
could she have commended?
could we have commended?
could you have commended?
could they have commended? 	could I have been commending?
could you have been commending?
could she have been commending?
could we have been commending?
could you have been commending?
could they have been commending? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I not commend?
could you not commend?
could she not commend?
could we not commend?
could you not commend?
could they not commend? 	could I not be commending?
could you not be commending?
could she not be commending?
could we not be commending?
could you not be commending?
could they not be commending? 	could I not have commended?
could you not have commended?
could she not have commended?
could we not have commended?
could you not have commended?
could they not have commended? 	could I not have been commending?
could you not have been commending?
could she not have been commending?
could we not have been commending?
could you not have been commending?
could they not have been commending?