could debase
Verbo regular: debase - debased- debased

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I could debase
you could debase
he could debase
we could debase
you could debase
they could debase 	I could be debasing
you could be debasing
he could be debasing
we could be debasing
you could be debasing
they could be debasing	I could have debased
you could have debased
he could have debased
we could have debased
you could have debased
they could have debased	I could have been debasing
you could have been debasing
he could have been debasing
we could have been debasing
you could have been debasing
they could have been debasing	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I couldn't debase
you couldn't debase
he couldn't debase
we couldn't debase
you couldn't debase
they couldn't debase 	I couldn't be debasing
you couldn't be debasing
he couldn't be debasing
we couldn't be debasing
you couldn't be debasing
they couldn't be debasing	I couldn't have debased
you couldn't have debased
he couldn't have debased
we couldn't have debased
you couldn't have debased
they couldn't have debased	I couldn't have been debasing
you couldn't have been debasing
he couldn't have been debasing
we couldn't have been debasing
you couldn't have been debasing
they couldn't have been debasing	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
could I debase?
could you debase?
could he debase?
could we debase?
could you debase?
could they debase? 	could I be debasing?
could you be debasing?
could he be debasing?
could we be debasing?
could you be debasing?
could they be debasing? 	could I have debased?
could you have debased?
could he have debased?
could we have debased?
could you have debased?
could they have debased? 	could I have been debasing?
could you have been debasing?
could he have been debasing?
could we have been debasing?
could you have been debasing?
could they have been debasing? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
couldn't I debase?
couldn't you debase?
couldn't he debase?
couldn't we debase?
couldn't you debase?
couldn't they debase? 	couldn't I be debasing?
couldn't you be debasing?
couldn't he be debasing?
couldn't we be debasing?
couldn't you be debasing?
couldn't they be debasing? 	couldn't I have debased?
couldn't you have debased?
couldn't he have debased?
couldn't we have debased?
couldn't you have debased?
couldn't they have debased? 	couldn't I have been debasing?
couldn't you have been debasing?
couldn't he have been debasing?
couldn't we have been debasing?
couldn't you have been debasing?
couldn't they have been debasing?