English verb conjugation
CAN REHAB

Regular verb: rehab - rehabed - rehabed

Affirmation

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

Negation

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

Interrogative form

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

Interro-negative form

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