must ruffle
Verbo regular: ruffle - ruffled- ruffled

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must ruffle
you must ruffle
he must ruffle
we must ruffle
you must ruffle
they must ruffle 	I must be ruffling
you must be ruffling
he must be ruffling
we must be ruffling
you must be ruffling
they must be ruffling	I must have ruffled
you must have ruffled
he 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
he must have been ruffling
we must have been ruffling
you must have been ruffling
they must have been ruffling	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I mustn't ruffle
you mustn't ruffle
he 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
he 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
he 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
he mustn't have been ruffling
we mustn't have been ruffling
you mustn't have been ruffling
they mustn't have been ruffling	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I ruffle?
must you ruffle?
must he ruffle?
must we ruffle?
must you ruffle?
must they ruffle? 	must I be ruffling?
must you be ruffling?
must he be ruffling?
must we be ruffling?
must you be ruffling?
must they be ruffling? 	must I have ruffled?
must you have ruffled?
must he 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 he have been ruffling?
must we have been ruffling?
must you have been ruffling?
must they have been ruffling? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
mustn't I ruffle?
mustn't you ruffle?
mustn't he 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 he 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 he 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 he have been ruffling?
mustn't we have been ruffling?
mustn't you have been ruffling?
mustn't they have been ruffling?