could decerebrate
Verbo regular: decerebrate - decerebrated- decerebrated

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could decerebrate
you could decerebrate
he could decerebrate
we could decerebrate
you could decerebrate
they could decerebrate 	I could be decerebrating
you could be decerebrating
he could be decerebrating
we could be decerebrating
you could be decerebrating
they could be decerebrating	I could have decerebrated
you could have decerebrated
he could have decerebrated
we could have decerebrated
you could have decerebrated
they could have decerebrated	I could have been decerebrating
you could have been decerebrating
he could have been decerebrating
we could have been decerebrating
you could have been decerebrating
they could have been decerebrating	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I couldn't decerebrate
you couldn't decerebrate
he couldn't decerebrate
we couldn't decerebrate
you couldn't decerebrate
they couldn't decerebrate 	I couldn't be decerebrating
you couldn't be decerebrating
he couldn't be decerebrating
we couldn't be decerebrating
you couldn't be decerebrating
they couldn't be decerebrating	I couldn't have decerebrated
you couldn't have decerebrated
he couldn't have decerebrated
we couldn't have decerebrated
you couldn't have decerebrated
they couldn't have decerebrated	I couldn't have been decerebrating
you couldn't have been decerebrating
he couldn't have been decerebrating
we couldn't have been decerebrating
you couldn't have been decerebrating
they couldn't have been decerebrating	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I decerebrate?
could you decerebrate?
could he decerebrate?
could we decerebrate?
could you decerebrate?
could they decerebrate? 	could I be decerebrating?
could you be decerebrating?
could he be decerebrating?
could we be decerebrating?
could you be decerebrating?
could they be decerebrating? 	could I have decerebrated?
could you have decerebrated?
could he have decerebrated?
could we have decerebrated?
could you have decerebrated?
could they have decerebrated? 	could I have been decerebrating?
could you have been decerebrating?
could he have been decerebrating?
could we have been decerebrating?
could you have been decerebrating?
could they have been decerebrating? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
couldn't I decerebrate?
couldn't you decerebrate?
couldn't he decerebrate?
couldn't we decerebrate?
couldn't you decerebrate?
couldn't they decerebrate? 	couldn't I be decerebrating?
couldn't you be decerebrating?
couldn't he be decerebrating?
couldn't we be decerebrating?
couldn't you be decerebrating?
couldn't they be decerebrating? 	couldn't I have decerebrated?
couldn't you have decerebrated?
couldn't he have decerebrated?
couldn't we have decerebrated?
couldn't you have decerebrated?
couldn't they have decerebrated? 	couldn't I have been decerebrating?
couldn't you have been decerebrating?
couldn't he have been decerebrating?
couldn't we have been decerebrating?
couldn't you have been decerebrating?
couldn't they have been decerebrating?