must reign
Regular verb: reign - reigned- reigned

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must reign
you must reign
she must reign
we must reign
you must reign
they must reign 	I must be reigning
you must be reigning
she must be reigning
we must be reigning
you must be reigning
they must be reigning	I must have reigned
you must have reigned
she must have reigned
we must have reigned
you must have reigned
they must have reigned	I must have been reigning
you must have been reigning
she must have been reigning
we must have been reigning
you must have been reigning
they must have been reigning	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must not reign
you must not reign
she must not reign
we must not reign
you must not reign
they must not reign 	I must not be reigning
you must not be reigning
she must not be reigning
we must not be reigning
you must not be reigning
they must not be reigning	I must not have reigned
you must not have reigned
she must not have reigned
we must not have reigned
you must not have reigned
they must not have reigned	I must not have been reigning
you must not have been reigning
she must not have been reigning
we must not have been reigning
you must not have been reigning
they must not have been reigning	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I reign?
must you reign?
must she reign?
must we reign?
must you reign?
must they reign? 	must I be reigning?
must you be reigning?
must she be reigning?
must we be reigning?
must you be reigning?
must they be reigning? 	must I have reigned?
must you have reigned?
must she have reigned?
must we have reigned?
must you have reigned?
must they have reigned? 	must I have been reigning?
must you have been reigning?
must she have been reigning?
must we have been reigning?
must you have been reigning?
must they have been reigning? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I not reign?
must you not reign?
must she not reign?
must we not reign?
must you not reign?
must they not reign? 	must I not be reigning?
must you not be reigning?
must she not be reigning?
must we not be reigning?
must you not be reigning?
must they not be reigning? 	must I not have reigned?
must you not have reigned?
must she not have reigned?
must we not have reigned?
must you not have reigned?
must they not have reigned? 	must I not have been reigning?
must you not have been reigning?
must she not have been reigning?
must we not have been reigning?
must you not have been reigning?
must they not have been reigning?