could debase
Regular verb: debase - debased- debased

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could debase
you could debase
she could debase
we could debase
you could debase
they could debase 	I could be debasing
you could be debasing
she could be debasing
we could be debasing
you could be debasing
they could be debasing	I could have debased
you could have debased
she 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
she could have been debasing
we could have been debasing
you could have been debasing
they could have been debasing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could not debase
you could not debase
she could not debase
we could not debase
you could not debase
they could not debase 	I could not be debasing
you could not be debasing
she could not be debasing
we could not be debasing
you could not be debasing
they could not be debasing	I could not have debased
you could not have debased
she could not have debased
we could not have debased
you could not have debased
they could not have debased	I could not have been debasing
you could not have been debasing
she could not have been debasing
we could not have been debasing
you could not have been debasing
they could not have been debasing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I debase?
could you debase?
could she debase?
could we debase?
could you debase?
could they debase? 	could I be debasing?
could you be debasing?
could she be debasing?
could we be debasing?
could you be debasing?
could they be debasing? 	could I have debased?
could you have debased?
could she 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 she have been debasing?
could we have been debasing?
could you have been debasing?
could they have been debasing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I not debase?
could you not debase?
could she not debase?
could we not debase?
could you not debase?
could they not debase? 	could I not be debasing?
could you not be debasing?
could she not be debasing?
could we not be debasing?
could you not be debasing?
could they not be debasing? 	could I not have debased?
could you not have debased?
could she not have debased?
could we not have debased?
could you not have debased?
could they not have debased? 	could I not have been debasing?
could you not have been debasing?
could she not have been debasing?
could we not have been debasing?
could you not have been debasing?
could they not have been debasing?