English verb conjugation
CAN REIGN

Regular verb: reign - reigned - reigned

Affirmation

Simple form	V-ing form
I can reign you can reign he can reign we can reign you can reign they can reign	I can be reigning you can be reigning he can be reigning we can be reigning you can be reigning they can be reigning
Perfect	V-ing perfect
I can have reigned you can have reigned he can have reigned we can have reigned you can have reigned they can have reigned	I can have been reigning you can have been reigning he can have been reigning we can have been reigning you can have been reigning they can have been reigning

Negation

Simple form	V-ing form
I cannot reign you cannot reign he cannot reign we cannot reign you cannot reign they cannot reign	I cannot be reigning you cannot be reigning he cannot be reigning we cannot be reigning you cannot be reigning they cannot be reigning
Perfect	V-ing perfect
I cannot have reigned you cannot have reigned he cannot have reigned we cannot have reigned you cannot have reigned they cannot have reigned	I cannot have been reigning you cannot have been reigning he cannot have been reigning we cannot have been reigning you cannot have been reigning they cannot have been reigning

Interrogative form

Simple form	V-ing form
can I reign? can you reign? can he reign? can we reign? can you reign? can they reign?	can I be reigning? can you be reigning? can he be reigning? can we be reigning? can you be reigning? can they be reigning?
Perfect	V-ing perfect
can I have reigned? can you have reigned? can he have reigned? can we have reigned? can you have reigned? can they have reigned?	can I have been reigning? can you have been reigning? can he have been reigning? can we have been reigning? can you have been reigning? can they have been reigning?

Interro-negative form

Simple form	V-ing form
can I not reign? can you not reign? can he not reign? can we not reign? can you not reign? can they not reign?	can I not be reigning? can you not be reigning? can he not be reigning? can we not be reigning? can you not be reigning? can they not be reigning?
Perfect	V-ing perfect
can I not have reigned? can you not have reigned? can he not have reigned? can we not have reigned? can you not have reigned? can they not have reigned?	can I not have been reigning? can you not have been reigning? can he not have been reigning? can we not have been reigning? can you not have been reigning? can they not have been reigning?