could masticate
Verbo regular: masticate - masticated- masticated

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could masticate
you could masticate
he could masticate
we could masticate
you could masticate
they could masticate 	I could be masticating
you could be masticating
he could be masticating
we could be masticating
you could be masticating
they could be masticating	I could have masticated
you could have masticated
he could have masticated
we could have masticated
you could have masticated
they could have masticated	I could have been masticating
you could have been masticating
he could have been masticating
we could have been masticating
you could have been masticating
they could have been masticating	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could not masticate
you could not masticate
he could not masticate
we could not masticate
you could not masticate
they could not masticate 	I could not be masticating
you could not be masticating
he could not be masticating
we could not be masticating
you could not be masticating
they could not be masticating	I could not have masticated
you could not have masticated
he could not have masticated
we could not have masticated
you could not have masticated
they could not have masticated	I could not have been masticating
you could not have been masticating
he could not have been masticating
we could not have been masticating
you could not have been masticating
they could not have been masticating	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I masticate?
could you masticate?
could he masticate?
could we masticate?
could you masticate?
could they masticate? 	could I be masticating?
could you be masticating?
could he be masticating?
could we be masticating?
could you be masticating?
could they be masticating? 	could I have masticated?
could you have masticated?
could he have masticated?
could we have masticated?
could you have masticated?
could they have masticated? 	could I have been masticating?
could you have been masticating?
could he have been masticating?
could we have been masticating?
could you have been masticating?
could they have been masticating? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I not masticate?
could you not masticate?
could he not masticate?
could we not masticate?
could you not masticate?
could they not masticate? 	could I not be masticating?
could you not be masticating?
could he not be masticating?
could we not be masticating?
could you not be masticating?
could they not be masticating? 	could I not have masticated?
could you not have masticated?
could he not have masticated?
could we not have masticated?
could you not have masticated?
could they not have masticated? 	could I not have been masticating?
could you not have been masticating?
could he not have been masticating?
could we not have been masticating?
could you not have been masticating?
could they not have been masticating?