could deprave
Regular verb: deprave - depraved- depraved

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could deprave
you could deprave
he could deprave
we could deprave
you could deprave
they could deprave 	I could be depraving
you could be depraving
he could be depraving
we could be depraving
you could be depraving
they could be depraving	I could have depraved
you could have depraved
he could have depraved
we could have depraved
you could have depraved
they could have depraved	I could have been depraving
you could have been depraving
he could have been depraving
we could have been depraving
you could have been depraving
they could have been depraving	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could not deprave
you could not deprave
he could not deprave
we could not deprave
you could not deprave
they could not deprave 	I could not be depraving
you could not be depraving
he could not be depraving
we could not be depraving
you could not be depraving
they could not be depraving	I could not have depraved
you could not have depraved
he could not have depraved
we could not have depraved
you could not have depraved
they could not have depraved	I could not have been depraving
you could not have been depraving
he could not have been depraving
we could not have been depraving
you could not have been depraving
they could not have been depraving	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I deprave?
could you deprave?
could he deprave?
could we deprave?
could you deprave?
could they deprave? 	could I be depraving?
could you be depraving?
could he be depraving?
could we be depraving?
could you be depraving?
could they be depraving? 	could I have depraved?
could you have depraved?
could he have depraved?
could we have depraved?
could you have depraved?
could they have depraved? 	could I have been depraving?
could you have been depraving?
could he have been depraving?
could we have been depraving?
could you have been depraving?
could they have been depraving? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I not deprave?
could you not deprave?
could he not deprave?
could we not deprave?
could you not deprave?
could they not deprave? 	could I not be depraving?
could you not be depraving?
could he not be depraving?
could we not be depraving?
could you not be depraving?
could they not be depraving? 	could I not have depraved?
could you not have depraved?
could he not have depraved?
could we not have depraved?
could you not have depraved?
could they not have depraved? 	could I not have been depraving?
could you not have been depraving?
could he not have been depraving?
could we not have been depraving?
could you not have been depraving?
could they not have been depraving?