could utter
Verbo regular: utter - uttered- uttered

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could utter
you could utter
she could utter
we could utter
you could utter
they could utter 	I could be uttering
you could be uttering
she could be uttering
we could be uttering
you could be uttering
they could be uttering	I could have uttered
you could have uttered
she could have uttered
we could have uttered
you could have uttered
they could have uttered	I could have been uttering
you could have been uttering
she could have been uttering
we could have been uttering
you could have been uttering
they could have been uttering	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could not utter
you could not utter
she could not utter
we could not utter
you could not utter
they could not utter 	I could not be uttering
you could not be uttering
she could not be uttering
we could not be uttering
you could not be uttering
they could not be uttering	I could not have uttered
you could not have uttered
she could not have uttered
we could not have uttered
you could not have uttered
they could not have uttered	I could not have been uttering
you could not have been uttering
she could not have been uttering
we could not have been uttering
you could not have been uttering
they could not have been uttering	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I utter?
could you utter?
could she utter?
could we utter?
could you utter?
could they utter? 	could I be uttering?
could you be uttering?
could she be uttering?
could we be uttering?
could you be uttering?
could they be uttering? 	could I have uttered?
could you have uttered?
could she have uttered?
could we have uttered?
could you have uttered?
could they have uttered? 	could I have been uttering?
could you have been uttering?
could she have been uttering?
could we have been uttering?
could you have been uttering?
could they have been uttering? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I not utter?
could you not utter?
could she not utter?
could we not utter?
could you not utter?
could they not utter? 	could I not be uttering?
could you not be uttering?
could she not be uttering?
could we not be uttering?
could you not be uttering?
could they not be uttering? 	could I not have uttered?
could you not have uttered?
could she not have uttered?
could we not have uttered?
could you not have uttered?
could they not have uttered? 	could I not have been uttering?
could you not have been uttering?
could she not have been uttering?
could we not have been uttering?
could you not have been uttering?
could they not have been uttering?