could mercerize
Verbo regular: mercerize - mercerized- mercerized

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could mercerize
you could mercerize
he could mercerize
we could mercerize
you could mercerize
they could mercerize 	I could be mercerizing
you could be mercerizing
he could be mercerizing
we could be mercerizing
you could be mercerizing
they could be mercerizing	I could have mercerized
you could have mercerized
he could have mercerized
we could have mercerized
you could have mercerized
they could have mercerized	I could have been mercerizing
you could have been mercerizing
he could have been mercerizing
we could have been mercerizing
you could have been mercerizing
they could have been mercerizing	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I couldn't mercerize
you couldn't mercerize
he couldn't mercerize
we couldn't mercerize
you couldn't mercerize
they couldn't mercerize 	I couldn't be mercerizing
you couldn't be mercerizing
he couldn't be mercerizing
we couldn't be mercerizing
you couldn't be mercerizing
they couldn't be mercerizing	I couldn't have mercerized
you couldn't have mercerized
he couldn't have mercerized
we couldn't have mercerized
you couldn't have mercerized
they couldn't have mercerized	I couldn't have been mercerizing
you couldn't have been mercerizing
he couldn't have been mercerizing
we couldn't have been mercerizing
you couldn't have been mercerizing
they couldn't have been mercerizing	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I mercerize?
could you mercerize?
could he mercerize?
could we mercerize?
could you mercerize?
could they mercerize? 	could I be mercerizing?
could you be mercerizing?
could he be mercerizing?
could we be mercerizing?
could you be mercerizing?
could they be mercerizing? 	could I have mercerized?
could you have mercerized?
could he have mercerized?
could we have mercerized?
could you have mercerized?
could they have mercerized? 	could I have been mercerizing?
could you have been mercerizing?
could he have been mercerizing?
could we have been mercerizing?
could you have been mercerizing?
could they have been mercerizing? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
couldn't I mercerize?
couldn't you mercerize?
couldn't he mercerize?
couldn't we mercerize?
couldn't you mercerize?
couldn't they mercerize? 	couldn't I be mercerizing?
couldn't you be mercerizing?
couldn't he be mercerizing?
couldn't we be mercerizing?
couldn't you be mercerizing?
couldn't they be mercerizing? 	couldn't I have mercerized?
couldn't you have mercerized?
couldn't he have mercerized?
couldn't we have mercerized?
couldn't you have mercerized?
couldn't they have mercerized? 	couldn't I have been mercerizing?
couldn't you have been mercerizing?
couldn't he have been mercerizing?
couldn't we have been mercerizing?
couldn't you have been mercerizing?
couldn't they have been mercerizing?