I can prescribe you can prescribe he can prescribe we can prescribe you can prescribe they can prescribe
V-ing form
I can be prescribing you can be prescribing he can be prescribing we can be prescribing you can be prescribing they can be prescribing
Perfect
I can have prescribed you can have prescribed he can have prescribed we can have prescribed you can have prescribed they can have prescribed
V-ing perfect
I can have been prescribing you can have been prescribing he can have been prescribing we can have been prescribing you can have been prescribing they can have been prescribing
Negation
Simple form
I can't prescribe you can't prescribe he can't prescribe we can't prescribe you can't prescribe they can't prescribe
V-ing form
I can't be prescribing you can't be prescribing he can't be prescribing we can't be prescribing you can't be prescribing they can't be prescribing
Perfect
I can't have prescribed you can't have prescribed he can't have prescribed we can't have prescribed you can't have prescribed they can't have prescribed
V-ing perfect
I can't have been prescribing you can't have been prescribing he can't have been prescribing we can't have been prescribing you can't have been prescribing they can't have been prescribing
Interrogative form
Simple form
can I prescribe? can you prescribe? can he prescribe? can we prescribe? can you prescribe? can they prescribe?
V-ing form
can I be prescribing? can you be prescribing? can he be prescribing? can we be prescribing? can you be prescribing? can they be prescribing?
Perfect
can I have prescribed? can you have prescribed? can he have prescribed? can we have prescribed? can you have prescribed? can they have prescribed?
V-ing perfect
can I have been prescribing? can you have been prescribing? can he have been prescribing? can we have been prescribing? can you have been prescribing? can they have been prescribing?
Interro-negative form
Simple form
can't I prescribe? can't you prescribe? can't he prescribe? can't we prescribe? can't you prescribe? can't they prescribe?
V-ing form
can't I be prescribing? can't you be prescribing? can't he be prescribing? can't we be prescribing? can't you be prescribing? can't they be prescribing?
Perfect
can't I have prescribed? can't you have prescribed? can't he have prescribed? can't we have prescribed? can't you have prescribed? can't they have prescribed?
V-ing perfect
can't I have been prescribing? can't you have been prescribing? can't he have been prescribing? can't we have been prescribing? can't you have been prescribing? can't they have been prescribing?