English verb conjugation
CAN SUPERSCRIBE

Regular verb: superscribe - superscribed - superscribed

Affirmation

Simple form	V-ing form
I can superscribe you can superscribe he can superscribe we can superscribe you can superscribe they can superscribe	I can be superscribing you can be superscribing he can be superscribing we can be superscribing you can be superscribing they can be superscribing
Perfect	V-ing perfect
I can have superscribed you can have superscribed he can have superscribed we can have superscribed you can have superscribed they can have superscribed	I can have been superscribing you can have been superscribing he can have been superscribing we can have been superscribing you can have been superscribing they can have been superscribing

Negation

Simple form	V-ing form
I can't superscribe you can't superscribe he can't superscribe we can't superscribe you can't superscribe they can't superscribe	I can't be superscribing you can't be superscribing he can't be superscribing we can't be superscribing you can't be superscribing they can't be superscribing
Perfect	V-ing perfect
I can't have superscribed you can't have superscribed he can't have superscribed we can't have superscribed you can't have superscribed they can't have superscribed	I can't have been superscribing you can't have been superscribing he can't have been superscribing we can't have been superscribing you can't have been superscribing they can't have been superscribing

Interrogative form

Simple form	V-ing form
can I superscribe? can you superscribe? can he superscribe? can we superscribe? can you superscribe? can they superscribe?	can I be superscribing? can you be superscribing? can he be superscribing? can we be superscribing? can you be superscribing? can they be superscribing?
Perfect	V-ing perfect
can I have superscribed? can you have superscribed? can he have superscribed? can we have superscribed? can you have superscribed? can they have superscribed?	can I have been superscribing? can you have been superscribing? can he have been superscribing? can we have been superscribing? can you have been superscribing? can they have been superscribing?

Interro-negative form

Simple form	V-ing form
can't I superscribe? can't you superscribe? can't he superscribe? can't we superscribe? can't you superscribe? can't they superscribe?	can't I be superscribing? can't you be superscribing? can't he be superscribing? can't we be superscribing? can't you be superscribing? can't they be superscribing?
Perfect	V-ing perfect
can't I have superscribed? can't you have superscribed? can't he have superscribed? can't we have superscribed? can't you have superscribed? can't they have superscribed?	can't I have been superscribing? can't you have been superscribing? can't he have been superscribing? can't we have been superscribing? can't you have been superscribing? can't they have been superscribing?