can degrade
Regular verb: degrade - degraded- degraded

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I can degrade
you can degrade
he can degrade
we can degrade
you can degrade
they can degrade 	I can be degrading
you can be degrading
he can be degrading
we can be degrading
you can be degrading
they can be degrading	I can have degraded
you can have degraded
he can have degraded
we can have degraded
you can have degraded
they can have degraded	I can have been degrading
you can have been degrading
he can have been degrading
we can have been degrading
you can have been degrading
they can have been degrading	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I cannot degrade
you cannot degrade
he cannot degrade
we cannot degrade
you cannot degrade
they cannot degrade 	I cannot be degrading
you cannot be degrading
he cannot be degrading
we cannot be degrading
you cannot be degrading
they cannot be degrading	I cannot have degraded
you cannot have degraded
he cannot have degraded
we cannot have degraded
you cannot have degraded
they cannot have degraded	I cannot have been degrading
you cannot have been degrading
he cannot have been degrading
we cannot have been degrading
you cannot have been degrading
they cannot have been degrading	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I degrade?
can you degrade?
can he degrade?
can we degrade?
can you degrade?
can they degrade? 	can I be degrading?
can you be degrading?
can he be degrading?
can we be degrading?
can you be degrading?
can they be degrading? 	can I have degraded?
can you have degraded?
can he have degraded?
can we have degraded?
can you have degraded?
can they have degraded? 	can I have been degrading?
can you have been degrading?
can he have been degrading?
can we have been degrading?
can you have been degrading?
can they have been degrading? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
can I not degrade?
can you not degrade?
can he not degrade?
can we not degrade?
can you not degrade?
can they not degrade? 	can I not be degrading?
can you not be degrading?
can he not be degrading?
can we not be degrading?
can you not be degrading?
can they not be degrading? 	can I not have degraded?
can you not have degraded?
can he not have degraded?
can we not have degraded?
can you not have degraded?
can they not have degraded? 	can I not have been degrading?
can you not have been degrading?
can he not have been degrading?
can we not have been degrading?
can you not have been degrading?
can they not have been degrading?