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 cannot rehab you cannot rehab he cannot rehab we cannot rehab you cannot rehab they cannot rehab	I cannot be rehabing you cannot be rehabing he cannot be rehabing we cannot be rehabing you cannot be rehabing they cannot be rehabing
Perfect	V-ing perfect
I cannot have rehabed you cannot have rehabed he cannot have rehabed we cannot have rehabed you cannot have rehabed they cannot have rehabed	I cannot have been rehabing you cannot have been rehabing he cannot have been rehabing we cannot have been rehabing you cannot have been rehabing they cannot 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 I not rehab? can you not rehab? can he not rehab? can we not rehab? can you not rehab? can they not rehab?	can I not be rehabing? can you not be rehabing? can he not be rehabing? can we not be rehabing? can you not be rehabing? can they not be rehabing?
Perfect	V-ing perfect
can I not have rehabed? can you not have rehabed? can he not have rehabed? can we not have rehabed? can you not have rehabed? can they not have rehabed?	can I not have been rehabing? can you not have been rehabing? can he not have been rehabing? can we not have been rehabing? can you not have been rehabing? can they not have been rehabing?