must slope
Regular verb: slope - sloped- sloped

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must slope
you must slope
he must slope
we must slope
you must slope
they must slope 	I must be sloping
you must be sloping
he must be sloping
we must be sloping
you must be sloping
they must be sloping	I must have sloped
you must have sloped
he must have sloped
we must have sloped
you must have sloped
they must have sloped	I must have been sloping
you must have been sloping
he must have been sloping
we must have been sloping
you must have been sloping
they must have been sloping	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't slope
you mustn't slope
he mustn't slope
we mustn't slope
you mustn't slope
they mustn't slope 	I mustn't be sloping
you mustn't be sloping
he mustn't be sloping
we mustn't be sloping
you mustn't be sloping
they mustn't be sloping	I mustn't have sloped
you mustn't have sloped
he mustn't have sloped
we mustn't have sloped
you mustn't have sloped
they mustn't have sloped	I mustn't have been sloping
you mustn't have been sloping
he mustn't have been sloping
we mustn't have been sloping
you mustn't have been sloping
they mustn't have been sloping	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I slope?
must you slope?
must he slope?
must we slope?
must you slope?
must they slope? 	must I be sloping?
must you be sloping?
must he be sloping?
must we be sloping?
must you be sloping?
must they be sloping? 	must I have sloped?
must you have sloped?
must he have sloped?
must we have sloped?
must you have sloped?
must they have sloped? 	must I have been sloping?
must you have been sloping?
must he have been sloping?
must we have been sloping?
must you have been sloping?
must they have been sloping? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I slope?
mustn't you slope?
mustn't he slope?
mustn't we slope?
mustn't you slope?
mustn't they slope? 	mustn't I be sloping?
mustn't you be sloping?
mustn't he be sloping?
mustn't we be sloping?
mustn't you be sloping?
mustn't they be sloping? 	mustn't I have sloped?
mustn't you have sloped?
mustn't he have sloped?
mustn't we have sloped?
mustn't you have sloped?
mustn't they have sloped? 	mustn't I have been sloping?
mustn't you have been sloping?
mustn't he have been sloping?
mustn't we have been sloping?
mustn't you have been sloping?
mustn't they have been sloping?