must resharpen
Regular verb: resharpen - resharpened- resharpened

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must resharpen
you must resharpen
she must resharpen
we must resharpen
you must resharpen
they must resharpen 	I must be resharpening
you must be resharpening
she must be resharpening
we must be resharpening
you must be resharpening
they must be resharpening	I must have resharpened
you must have resharpened
she must have resharpened
we must have resharpened
you must have resharpened
they must have resharpened	I must have been resharpening
you must have been resharpening
she must have been resharpening
we must have been resharpening
you must have been resharpening
they must have been resharpening	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't resharpen
you mustn't resharpen
she mustn't resharpen
we mustn't resharpen
you mustn't resharpen
they mustn't resharpen 	I mustn't be resharpening
you mustn't be resharpening
she mustn't be resharpening
we mustn't be resharpening
you mustn't be resharpening
they mustn't be resharpening	I mustn't have resharpened
you mustn't have resharpened
she mustn't have resharpened
we mustn't have resharpened
you mustn't have resharpened
they mustn't have resharpened	I mustn't have been resharpening
you mustn't have been resharpening
she mustn't have been resharpening
we mustn't have been resharpening
you mustn't have been resharpening
they mustn't have been resharpening	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I resharpen?
must you resharpen?
must she resharpen?
must we resharpen?
must you resharpen?
must they resharpen? 	must I be resharpening?
must you be resharpening?
must she be resharpening?
must we be resharpening?
must you be resharpening?
must they be resharpening? 	must I have resharpened?
must you have resharpened?
must she have resharpened?
must we have resharpened?
must you have resharpened?
must they have resharpened? 	must I have been resharpening?
must you have been resharpening?
must she have been resharpening?
must we have been resharpening?
must you have been resharpening?
must they have been resharpening? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I resharpen?
mustn't you resharpen?
mustn't she resharpen?
mustn't we resharpen?
mustn't you resharpen?
mustn't they resharpen? 	mustn't I be resharpening?
mustn't you be resharpening?
mustn't she be resharpening?
mustn't we be resharpening?
mustn't you be resharpening?
mustn't they be resharpening? 	mustn't I have resharpened?
mustn't you have resharpened?
mustn't she have resharpened?
mustn't we have resharpened?
mustn't you have resharpened?
mustn't they have resharpened? 	mustn't I have been resharpening?
mustn't you have been resharpening?
mustn't she have been resharpening?
mustn't we have been resharpening?
mustn't you have been resharpening?
mustn't they have been resharpening?