must slice
Regular verb: slice - sliced- sliced

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must slice
you must slice
he must slice
we must slice
you must slice
they must slice 	I must be slicing
you must be slicing
he must be slicing
we must be slicing
you must be slicing
they must be slicing	I must have sliced
you must have sliced
he must have sliced
we must have sliced
you must have sliced
they must have sliced	I must have been slicing
you must have been slicing
he must have been slicing
we must have been slicing
you must have been slicing
they must have been slicing	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't slice
you mustn't slice
he mustn't slice
we mustn't slice
you mustn't slice
they mustn't slice 	I mustn't be slicing
you mustn't be slicing
he mustn't be slicing
we mustn't be slicing
you mustn't be slicing
they mustn't be slicing	I mustn't have sliced
you mustn't have sliced
he mustn't have sliced
we mustn't have sliced
you mustn't have sliced
they mustn't have sliced	I mustn't have been slicing
you mustn't have been slicing
he mustn't have been slicing
we mustn't have been slicing
you mustn't have been slicing
they mustn't have been slicing	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I slice?
must you slice?
must he slice?
must we slice?
must you slice?
must they slice? 	must I be slicing?
must you be slicing?
must he be slicing?
must we be slicing?
must you be slicing?
must they be slicing? 	must I have sliced?
must you have sliced?
must he have sliced?
must we have sliced?
must you have sliced?
must they have sliced? 	must I have been slicing?
must you have been slicing?
must he have been slicing?
must we have been slicing?
must you have been slicing?
must they have been slicing? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I slice?
mustn't you slice?
mustn't he slice?
mustn't we slice?
mustn't you slice?
mustn't they slice? 	mustn't I be slicing?
mustn't you be slicing?
mustn't he be slicing?
mustn't we be slicing?
mustn't you be slicing?
mustn't they be slicing? 	mustn't I have sliced?
mustn't you have sliced?
mustn't he have sliced?
mustn't we have sliced?
mustn't you have sliced?
mustn't they have sliced? 	mustn't I have been slicing?
mustn't you have been slicing?
mustn't he have been slicing?
mustn't we have been slicing?
mustn't you have been slicing?
mustn't they have been slicing?