must stope
Regular verb: stope - stoped- stoped

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must stope
you must stope
she must stope
we must stope
you must stope
they must stope 	I must be stoping
you must be stoping
she must be stoping
we must be stoping
you must be stoping
they must be stoping	I must have stoped
you must have stoped
she must have stoped
we must have stoped
you must have stoped
they must have stoped	I must have been stoping
you must have been stoping
she must have been stoping
we must have been stoping
you must have been stoping
they must have been stoping	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't stope
you mustn't stope
she mustn't stope
we mustn't stope
you mustn't stope
they mustn't stope 	I mustn't be stoping
you mustn't be stoping
she mustn't be stoping
we mustn't be stoping
you mustn't be stoping
they mustn't be stoping	I mustn't have stoped
you mustn't have stoped
she mustn't have stoped
we mustn't have stoped
you mustn't have stoped
they mustn't have stoped	I mustn't have been stoping
you mustn't have been stoping
she mustn't have been stoping
we mustn't have been stoping
you mustn't have been stoping
they mustn't have been stoping	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I stope?
must you stope?
must she stope?
must we stope?
must you stope?
must they stope? 	must I be stoping?
must you be stoping?
must she be stoping?
must we be stoping?
must you be stoping?
must they be stoping? 	must I have stoped?
must you have stoped?
must she have stoped?
must we have stoped?
must you have stoped?
must they have stoped? 	must I have been stoping?
must you have been stoping?
must she have been stoping?
must we have been stoping?
must you have been stoping?
must they have been stoping? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I stope?
mustn't you stope?
mustn't she stope?
mustn't we stope?
mustn't you stope?
mustn't they stope? 	mustn't I be stoping?
mustn't you be stoping?
mustn't she be stoping?
mustn't we be stoping?
mustn't you be stoping?
mustn't they be stoping? 	mustn't I have stoped?
mustn't you have stoped?
mustn't she have stoped?
mustn't we have stoped?
mustn't you have stoped?
mustn't they have stoped? 	mustn't I have been stoping?
mustn't you have been stoping?
mustn't she have been stoping?
mustn't we have been stoping?
mustn't you have been stoping?
mustn't they have been stoping?