must ream
Regular verb: ream - reamed- reamed

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must ream
you must ream
she must ream
we must ream
you must ream
they must ream 	I must be reaming
you must be reaming
she must be reaming
we must be reaming
you must be reaming
they must be reaming	I must have reamed
you must have reamed
she must have reamed
we must have reamed
you must have reamed
they must have reamed	I must have been reaming
you must have been reaming
she must have been reaming
we must have been reaming
you must have been reaming
they must have been reaming	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't ream
you mustn't ream
she mustn't ream
we mustn't ream
you mustn't ream
they mustn't ream 	I mustn't be reaming
you mustn't be reaming
she mustn't be reaming
we mustn't be reaming
you mustn't be reaming
they mustn't be reaming	I mustn't have reamed
you mustn't have reamed
she mustn't have reamed
we mustn't have reamed
you mustn't have reamed
they mustn't have reamed	I mustn't have been reaming
you mustn't have been reaming
she mustn't have been reaming
we mustn't have been reaming
you mustn't have been reaming
they mustn't have been reaming	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I ream?
must you ream?
must she ream?
must we ream?
must you ream?
must they ream? 	must I be reaming?
must you be reaming?
must she be reaming?
must we be reaming?
must you be reaming?
must they be reaming? 	must I have reamed?
must you have reamed?
must she have reamed?
must we have reamed?
must you have reamed?
must they have reamed? 	must I have been reaming?
must you have been reaming?
must she have been reaming?
must we have been reaming?
must you have been reaming?
must they have been reaming? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I ream?
mustn't you ream?
mustn't she ream?
mustn't we ream?
mustn't you ream?
mustn't they ream? 	mustn't I be reaming?
mustn't you be reaming?
mustn't she be reaming?
mustn't we be reaming?
mustn't you be reaming?
mustn't they be reaming? 	mustn't I have reamed?
mustn't you have reamed?
mustn't she have reamed?
mustn't we have reamed?
mustn't you have reamed?
mustn't they have reamed? 	mustn't I have been reaming?
mustn't you have been reaming?
mustn't she have been reaming?
mustn't we have been reaming?
mustn't you have been reaming?
mustn't they have been reaming?