must treadle
Verbo regular: treadle - treadled- treadled

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must treadle
you must treadle
he must treadle
we must treadle
you must treadle
they must treadle 	I must be treadling
you must be treadling
he must be treadling
we must be treadling
you must be treadling
they must be treadling	I must have treadled
you must have treadled
he must have treadled
we must have treadled
you must have treadled
they must have treadled	I must have been treadling
you must have been treadling
he must have been treadling
we must have been treadling
you must have been treadling
they must have been treadling	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I mustn't treadle
you mustn't treadle
he mustn't treadle
we mustn't treadle
you mustn't treadle
they mustn't treadle 	I mustn't be treadling
you mustn't be treadling
he mustn't be treadling
we mustn't be treadling
you mustn't be treadling
they mustn't be treadling	I mustn't have treadled
you mustn't have treadled
he mustn't have treadled
we mustn't have treadled
you mustn't have treadled
they mustn't have treadled	I mustn't have been treadling
you mustn't have been treadling
he mustn't have been treadling
we mustn't have been treadling
you mustn't have been treadling
they mustn't have been treadling	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I treadle?
must you treadle?
must he treadle?
must we treadle?
must you treadle?
must they treadle? 	must I be treadling?
must you be treadling?
must he be treadling?
must we be treadling?
must you be treadling?
must they be treadling? 	must I have treadled?
must you have treadled?
must he have treadled?
must we have treadled?
must you have treadled?
must they have treadled? 	must I have been treadling?
must you have been treadling?
must he have been treadling?
must we have been treadling?
must you have been treadling?
must they have been treadling? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
mustn't I treadle?
mustn't you treadle?
mustn't he treadle?
mustn't we treadle?
mustn't you treadle?
mustn't they treadle? 	mustn't I be treadling?
mustn't you be treadling?
mustn't he be treadling?
mustn't we be treadling?
mustn't you be treadling?
mustn't they be treadling? 	mustn't I have treadled?
mustn't you have treadled?
mustn't he have treadled?
mustn't we have treadled?
mustn't you have treadled?
mustn't they have treadled? 	mustn't I have been treadling?
mustn't you have been treadling?
mustn't he have been treadling?
mustn't we have been treadling?
mustn't you have been treadling?
mustn't they have been treadling?