I can prescribe you can prescribe she can prescribe we can prescribe you can prescribe they can prescribe
V-ing form
I can be prescribing you can be prescribing she can be prescribing we can be prescribing you can be prescribing they can be prescribing
Perfect
I can have prescribed you can have prescribed she 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 she 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 she 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 she 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 she 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 she 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 she prescribe? can we prescribe? can you prescribe? can they prescribe?
V-ing form
can I be prescribing? can you be prescribing? can she be prescribing? can we be prescribing? can you be prescribing? can they be prescribing?
Perfect
can I have prescribed? can you have prescribed? can she 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 she 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 she 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 she 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 she 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 she have been prescribing? can't we have been prescribing? can't you have been prescribing? can't they have been prescribing?