must sidestroke
Regular verb: sidestroke - sidestroked- sidestroked

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must sidestroke
you must sidestroke
she must sidestroke
we must sidestroke
you must sidestroke
they must sidestroke 	I must be sidestroking
you must be sidestroking
she must be sidestroking
we must be sidestroking
you must be sidestroking
they must be sidestroking	I must have sidestroked
you must have sidestroked
she must have sidestroked
we must have sidestroked
you must have sidestroked
they must have sidestroked	I must have been sidestroking
you must have been sidestroking
she must have been sidestroking
we must have been sidestroking
you must have been sidestroking
they must have been sidestroking	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't sidestroke
you mustn't sidestroke
she mustn't sidestroke
we mustn't sidestroke
you mustn't sidestroke
they mustn't sidestroke 	I mustn't be sidestroking
you mustn't be sidestroking
she mustn't be sidestroking
we mustn't be sidestroking
you mustn't be sidestroking
they mustn't be sidestroking	I mustn't have sidestroked
you mustn't have sidestroked
she mustn't have sidestroked
we mustn't have sidestroked
you mustn't have sidestroked
they mustn't have sidestroked	I mustn't have been sidestroking
you mustn't have been sidestroking
she mustn't have been sidestroking
we mustn't have been sidestroking
you mustn't have been sidestroking
they mustn't have been sidestroking	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I sidestroke?
must you sidestroke?
must she sidestroke?
must we sidestroke?
must you sidestroke?
must they sidestroke? 	must I be sidestroking?
must you be sidestroking?
must she be sidestroking?
must we be sidestroking?
must you be sidestroking?
must they be sidestroking? 	must I have sidestroked?
must you have sidestroked?
must she have sidestroked?
must we have sidestroked?
must you have sidestroked?
must they have sidestroked? 	must I have been sidestroking?
must you have been sidestroking?
must she have been sidestroking?
must we have been sidestroking?
must you have been sidestroking?
must they have been sidestroking? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I sidestroke?
mustn't you sidestroke?
mustn't she sidestroke?
mustn't we sidestroke?
mustn't you sidestroke?
mustn't they sidestroke? 	mustn't I be sidestroking?
mustn't you be sidestroking?
mustn't she be sidestroking?
mustn't we be sidestroking?
mustn't you be sidestroking?
mustn't they be sidestroking? 	mustn't I have sidestroked?
mustn't you have sidestroked?
mustn't she have sidestroked?
mustn't we have sidestroked?
mustn't you have sidestroked?
mustn't they have sidestroked? 	mustn't I have been sidestroking?
mustn't you have been sidestroking?
mustn't she have been sidestroking?
mustn't we have been sidestroking?
mustn't you have been sidestroking?
mustn't they have been sidestroking?