must paper
Regular verb: paper - papered- papered

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must paper
you must paper
she must paper
we must paper
you must paper
they must paper 	I must be papering
you must be papering
she must be papering
we must be papering
you must be papering
they must be papering	I must have papered
you must have papered
she must have papered
we must have papered
you must have papered
they must have papered	I must have been papering
you must have been papering
she must have been papering
we must have been papering
you must have been papering
they must have been papering	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't paper
you mustn't paper
she mustn't paper
we mustn't paper
you mustn't paper
they mustn't paper 	I mustn't be papering
you mustn't be papering
she mustn't be papering
we mustn't be papering
you mustn't be papering
they mustn't be papering	I mustn't have papered
you mustn't have papered
she mustn't have papered
we mustn't have papered
you mustn't have papered
they mustn't have papered	I mustn't have been papering
you mustn't have been papering
she mustn't have been papering
we mustn't have been papering
you mustn't have been papering
they mustn't have been papering	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I paper?
must you paper?
must she paper?
must we paper?
must you paper?
must they paper? 	must I be papering?
must you be papering?
must she be papering?
must we be papering?
must you be papering?
must they be papering? 	must I have papered?
must you have papered?
must she have papered?
must we have papered?
must you have papered?
must they have papered? 	must I have been papering?
must you have been papering?
must she have been papering?
must we have been papering?
must you have been papering?
must they have been papering? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I paper?
mustn't you paper?
mustn't she paper?
mustn't we paper?
mustn't you paper?
mustn't they paper? 	mustn't I be papering?
mustn't you be papering?
mustn't she be papering?
mustn't we be papering?
mustn't you be papering?
mustn't they be papering? 	mustn't I have papered?
mustn't you have papered?
mustn't she have papered?
mustn't we have papered?
mustn't you have papered?
mustn't they have papered? 	mustn't I have been papering?
mustn't you have been papering?
mustn't she have been papering?
mustn't we have been papering?
mustn't you have been papering?
mustn't they have been papering?