could rehab
Regular verb: rehab - rehabed- rehabed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I could rehab
you could rehab
he could rehab
we could rehab
you could rehab
they could rehab 	I could be rehabing
you could be rehabing
he could be rehabing
we could be rehabing
you could be rehabing
they could be rehabing	I could have rehabed
you could have rehabed
he could have rehabed
we could have rehabed
you could have rehabed
they could have rehabed	I could have been rehabing
you could have been rehabing
he could have been rehabing
we could have been rehabing
you could have been rehabing
they could have been rehabing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I couldn't rehab
you couldn't rehab
he couldn't rehab
we couldn't rehab
you couldn't rehab
they couldn't rehab 	I couldn't be rehabing
you couldn't be rehabing
he couldn't be rehabing
we couldn't be rehabing
you couldn't be rehabing
they couldn't be rehabing	I couldn't have rehabed
you couldn't have rehabed
he couldn't have rehabed
we couldn't have rehabed
you couldn't have rehabed
they couldn't have rehabed	I couldn't have been rehabing
you couldn't have been rehabing
he couldn't have been rehabing
we couldn't have been rehabing
you couldn't have been rehabing
they couldn't have been rehabing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
could I rehab?
could you rehab?
could he rehab?
could we rehab?
could you rehab?
could they rehab? 	could I be rehabing?
could you be rehabing?
could he be rehabing?
could we be rehabing?
could you be rehabing?
could they be rehabing? 	could I have rehabed?
could you have rehabed?
could he have rehabed?
could we have rehabed?
could you have rehabed?
could they have rehabed? 	could I have been rehabing?
could you have been rehabing?
could he have been rehabing?
could we have been rehabing?
could you have been rehabing?
could they have been rehabing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
couldn't I rehab?
couldn't you rehab?
couldn't he rehab?
couldn't we rehab?
couldn't you rehab?
couldn't they rehab? 	couldn't I be rehabing?
couldn't you be rehabing?
couldn't he be rehabing?
couldn't we be rehabing?
couldn't you be rehabing?
couldn't they be rehabing? 	couldn't I have rehabed?
couldn't you have rehabed?
couldn't he have rehabed?
couldn't we have rehabed?
couldn't you have rehabed?
couldn't they have rehabed? 	couldn't I have been rehabing?
couldn't you have been rehabing?
couldn't he have been rehabing?
couldn't we have been rehabing?
couldn't you have been rehabing?
couldn't they have been rehabing?