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 can't reign you can't reign he can't reign we can't reign you can't reign they can't reign	I can't be reigning you can't be reigning he can't be reigning we can't be reigning you can't be reigning they can't be reigning
Perfect	V-ing perfect
I can't have reigned you can't have reigned he can't have reigned we can't have reigned you can't have reigned they can't have reigned	I can't have been reigning you can't have been reigning he can't have been reigning we can't have been reigning you can't have been reigning they can't 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't I reign? can't you reign? can't he reign? can't we reign? can't you reign? can't they reign?	can't I be reigning? can't you be reigning? can't he be reigning? can't we be reigning? can't you be reigning? can't they be reigning?
Perfect	V-ing perfect
can't I have reigned? can't you have reigned? can't he have reigned? can't we have reigned? can't you have reigned? can't they have reigned?	can't I have been reigning? can't you have been reigning? can't he have been reigning? can't we have been reigning? can't you have been reigning? can't they have been reigning?