must ruffle
Regular verb: ruffle - ruffled- ruffled

Affirmation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I must ruffle
you must ruffle
she must ruffle
we must ruffle
you must ruffle
they must ruffle 	I must be ruffling
you must be ruffling
she must be ruffling
we must be ruffling
you must be ruffling
they must be ruffling	I must have ruffled
you must have ruffled
she must have ruffled
we must have ruffled
you must have ruffled
they must have ruffled	I must have been ruffling
you must have been ruffling
she must have been ruffling
we must have been ruffling
you must have been ruffling
they must have been ruffling	

Negation 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
I mustn't ruffle
you mustn't ruffle
she mustn't ruffle
we mustn't ruffle
you mustn't ruffle
they mustn't ruffle 	I mustn't be ruffling
you mustn't be ruffling
she mustn't be ruffling
we mustn't be ruffling
you mustn't be ruffling
they mustn't be ruffling	I mustn't have ruffled
you mustn't have ruffled
she mustn't have ruffled
we mustn't have ruffled
you mustn't have ruffled
they mustn't have ruffled	I mustn't have been ruffling
you mustn't have been ruffling
she mustn't have been ruffling
we mustn't have been ruffling
you mustn't have been ruffling
they mustn't have been ruffling	

Interrogative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
must I ruffle?
must you ruffle?
must she ruffle?
must we ruffle?
must you ruffle?
must they ruffle? 	must I be ruffling?
must you be ruffling?
must she be ruffling?
must we be ruffling?
must you be ruffling?
must they be ruffling? 	must I have ruffled?
must you have ruffled?
must she have ruffled?
must we have ruffled?
must you have ruffled?
must they have ruffled? 	must I have been ruffling?
must you have been ruffling?
must she have been ruffling?
must we have been ruffling?
must you have been ruffling?
must they have been ruffling? 	

Interro-negative form 	
Simple form 	V-ing form 	Perfect 	V-ing perfect 	
mustn't I ruffle?
mustn't you ruffle?
mustn't she ruffle?
mustn't we ruffle?
mustn't you ruffle?
mustn't they ruffle? 	mustn't I be ruffling?
mustn't you be ruffling?
mustn't she be ruffling?
mustn't we be ruffling?
mustn't you be ruffling?
mustn't they be ruffling? 	mustn't I have ruffled?
mustn't you have ruffled?
mustn't she have ruffled?
mustn't we have ruffled?
mustn't you have ruffled?
mustn't they have ruffled? 	mustn't I have been ruffling?
mustn't you have been ruffling?
mustn't she have been ruffling?
mustn't we have been ruffling?
mustn't you have been ruffling?
mustn't they have been ruffling?