could rate
Verbo regular: rate - rated- rated

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could rate
you could rate
he could rate
we could rate
you could rate
they could rate 	I could be rating
you could be rating
he could be rating
we could be rating
you could be rating
they could be rating	I could have rated
you could have rated
he could have rated
we could have rated
you could have rated
they could have rated	I could have been rating
you could have been rating
he could have been rating
we could have been rating
you could have been rating
they could have been rating	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could not rate
you could not rate
he could not rate
we could not rate
you could not rate
they could not rate 	I could not be rating
you could not be rating
he could not be rating
we could not be rating
you could not be rating
they could not be rating	I could not have rated
you could not have rated
he could not have rated
we could not have rated
you could not have rated
they could not have rated	I could not have been rating
you could not have been rating
he could not have been rating
we could not have been rating
you could not have been rating
they could not have been rating	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I rate?
could you rate?
could he rate?
could we rate?
could you rate?
could they rate? 	could I be rating?
could you be rating?
could he be rating?
could we be rating?
could you be rating?
could they be rating? 	could I have rated?
could you have rated?
could he have rated?
could we have rated?
could you have rated?
could they have rated? 	could I have been rating?
could you have been rating?
could he have been rating?
could we have been rating?
could you have been rating?
could they have been rating? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I not rate?
could you not rate?
could he not rate?
could we not rate?
could you not rate?
could they not rate? 	could I not be rating?
could you not be rating?
could he not be rating?
could we not be rating?
could you not be rating?
could they not be rating? 	could I not have rated?
could you not have rated?
could he not have rated?
could we not have rated?
could you not have rated?
could they not have rated? 	could I not have been rating?
could you not have been rating?
could he not have been rating?
could we not have been rating?
could you not have been rating?
could they not have been rating?