must gallop
Regular verb: gallop - galloped- galloped

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must gallop
you must gallop
she must gallop
we must gallop
you must gallop
they must gallop 	I must be galloping
you must be galloping
she must be galloping
we must be galloping
you must be galloping
they must be galloping	I must have galloped
you must have galloped
she must have galloped
we must have galloped
you must have galloped
they must have galloped	I must have been galloping
you must have been galloping
she must have been galloping
we must have been galloping
you must have been galloping
they must have been galloping	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't gallop
you mustn't gallop
she mustn't gallop
we mustn't gallop
you mustn't gallop
they mustn't gallop 	I mustn't be galloping
you mustn't be galloping
she mustn't be galloping
we mustn't be galloping
you mustn't be galloping
they mustn't be galloping	I mustn't have galloped
you mustn't have galloped
she mustn't have galloped
we mustn't have galloped
you mustn't have galloped
they mustn't have galloped	I mustn't have been galloping
you mustn't have been galloping
she mustn't have been galloping
we mustn't have been galloping
you mustn't have been galloping
they mustn't have been galloping	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I gallop?
must you gallop?
must she gallop?
must we gallop?
must you gallop?
must they gallop? 	must I be galloping?
must you be galloping?
must she be galloping?
must we be galloping?
must you be galloping?
must they be galloping? 	must I have galloped?
must you have galloped?
must she have galloped?
must we have galloped?
must you have galloped?
must they have galloped? 	must I have been galloping?
must you have been galloping?
must she have been galloping?
must we have been galloping?
must you have been galloping?
must they have been galloping? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I gallop?
mustn't you gallop?
mustn't she gallop?
mustn't we gallop?
mustn't you gallop?
mustn't they gallop? 	mustn't I be galloping?
mustn't you be galloping?
mustn't she be galloping?
mustn't we be galloping?
mustn't you be galloping?
mustn't they be galloping? 	mustn't I have galloped?
mustn't you have galloped?
mustn't she have galloped?
mustn't we have galloped?
mustn't you have galloped?
mustn't they have galloped? 	mustn't I have been galloping?
mustn't you have been galloping?
mustn't she have been galloping?
mustn't we have been galloping?
mustn't you have been galloping?
mustn't they have been galloping?