must fleece
Regular verb: fleece - fleeced- fleeced

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must fleece
you must fleece
she must fleece
we must fleece
you must fleece
they must fleece 	I must be fleecing
you must be fleecing
she must be fleecing
we must be fleecing
you must be fleecing
they must be fleecing	I must have fleeced
you must have fleeced
she must have fleeced
we must have fleeced
you must have fleeced
they must have fleeced	I must have been fleecing
you must have been fleecing
she must have been fleecing
we must have been fleecing
you must have been fleecing
they must have been fleecing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't fleece
you mustn't fleece
she mustn't fleece
we mustn't fleece
you mustn't fleece
they mustn't fleece 	I mustn't be fleecing
you mustn't be fleecing
she mustn't be fleecing
we mustn't be fleecing
you mustn't be fleecing
they mustn't be fleecing	I mustn't have fleeced
you mustn't have fleeced
she mustn't have fleeced
we mustn't have fleeced
you mustn't have fleeced
they mustn't have fleeced	I mustn't have been fleecing
you mustn't have been fleecing
she mustn't have been fleecing
we mustn't have been fleecing
you mustn't have been fleecing
they mustn't have been fleecing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I fleece?
must you fleece?
must she fleece?
must we fleece?
must you fleece?
must they fleece? 	must I be fleecing?
must you be fleecing?
must she be fleecing?
must we be fleecing?
must you be fleecing?
must they be fleecing? 	must I have fleeced?
must you have fleeced?
must she have fleeced?
must we have fleeced?
must you have fleeced?
must they have fleeced? 	must I have been fleecing?
must you have been fleecing?
must she have been fleecing?
must we have been fleecing?
must you have been fleecing?
must they have been fleecing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I fleece?
mustn't you fleece?
mustn't she fleece?
mustn't we fleece?
mustn't you fleece?
mustn't they fleece? 	mustn't I be fleecing?
mustn't you be fleecing?
mustn't she be fleecing?
mustn't we be fleecing?
mustn't you be fleecing?
mustn't they be fleecing? 	mustn't I have fleeced?
mustn't you have fleeced?
mustn't she have fleeced?
mustn't we have fleeced?
mustn't you have fleeced?
mustn't they have fleeced? 	mustn't I have been fleecing?
mustn't you have been fleecing?
mustn't she have been fleecing?
mustn't we have been fleecing?
mustn't you have been fleecing?
mustn't they have been fleecing?