could desorb
Regular verb: desorb - desorbed- desorbed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could desorb
you could desorb
she could desorb
we could desorb
you could desorb
they could desorb 	I could be desorbing
you could be desorbing
she could be desorbing
we could be desorbing
you could be desorbing
they could be desorbing	I could have desorbed
you could have desorbed
she could have desorbed
we could have desorbed
you could have desorbed
they could have desorbed	I could have been desorbing
you could have been desorbing
she could have been desorbing
we could have been desorbing
you could have been desorbing
they could have been desorbing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't desorb
you couldn't desorb
she couldn't desorb
we couldn't desorb
you couldn't desorb
they couldn't desorb 	I couldn't be desorbing
you couldn't be desorbing
she couldn't be desorbing
we couldn't be desorbing
you couldn't be desorbing
they couldn't be desorbing	I couldn't have desorbed
you couldn't have desorbed
she couldn't have desorbed
we couldn't have desorbed
you couldn't have desorbed
they couldn't have desorbed	I couldn't have been desorbing
you couldn't have been desorbing
she couldn't have been desorbing
we couldn't have been desorbing
you couldn't have been desorbing
they couldn't have been desorbing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I desorb?
could you desorb?
could she desorb?
could we desorb?
could you desorb?
could they desorb? 	could I be desorbing?
could you be desorbing?
could she be desorbing?
could we be desorbing?
could you be desorbing?
could they be desorbing? 	could I have desorbed?
could you have desorbed?
could she have desorbed?
could we have desorbed?
could you have desorbed?
could they have desorbed? 	could I have been desorbing?
could you have been desorbing?
could she have been desorbing?
could we have been desorbing?
could you have been desorbing?
could they have been desorbing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I desorb?
couldn't you desorb?
couldn't she desorb?
couldn't we desorb?
couldn't you desorb?
couldn't they desorb? 	couldn't I be desorbing?
couldn't you be desorbing?
couldn't she be desorbing?
couldn't we be desorbing?
couldn't you be desorbing?
couldn't they be desorbing? 	couldn't I have desorbed?
couldn't you have desorbed?
couldn't she have desorbed?
couldn't we have desorbed?
couldn't you have desorbed?
couldn't they have desorbed? 	couldn't I have been desorbing?
couldn't you have been desorbing?
couldn't she have been desorbing?
couldn't we have been desorbing?
couldn't you have been desorbing?
couldn't they have been desorbing?