must flow
Verbo regular: flow - flowed- flowed

Afirmación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I must flow
you must flow
he must flow
we must flow
you must flow
they must flow 	I must be flowing
you must be flowing
he must be flowing
we must be flowing
you must be flowing
they must be flowing	I must have flowed
you must have flowed
he must have flowed
we must have flowed
you must have flowed
they must have flowed	I must have been flowing
you must have been flowing
he must have been flowing
we must have been flowing
you must have been flowing
they must have been flowing	

Negación 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
I mustn't flow
you mustn't flow
he mustn't flow
we mustn't flow
you mustn't flow
they mustn't flow 	I mustn't be flowing
you mustn't be flowing
he mustn't be flowing
we mustn't be flowing
you mustn't be flowing
they mustn't be flowing	I mustn't have flowed
you mustn't have flowed
he mustn't have flowed
we mustn't have flowed
you mustn't have flowed
they mustn't have flowed	I mustn't have been flowing
you mustn't have been flowing
he mustn't have been flowing
we mustn't have been flowing
you mustn't have been flowing
they mustn't have been flowing	

Forma interrogativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
must I flow?
must you flow?
must he flow?
must we flow?
must you flow?
must they flow? 	must I be flowing?
must you be flowing?
must he be flowing?
must we be flowing?
must you be flowing?
must they be flowing? 	must I have flowed?
must you have flowed?
must he have flowed?
must we have flowed?
must you have flowed?
must they have flowed? 	must I have been flowing?
must you have been flowing?
must he have been flowing?
must we have been flowing?
must you have been flowing?
must they have been flowing? 	

Forma interro-negativa 	
Forma simple 	Forma con V-ing 	Perfecto 	Perfecto con V-ing 	
mustn't I flow?
mustn't you flow?
mustn't he flow?
mustn't we flow?
mustn't you flow?
mustn't they flow? 	mustn't I be flowing?
mustn't you be flowing?
mustn't he be flowing?
mustn't we be flowing?
mustn't you be flowing?
mustn't they be flowing? 	mustn't I have flowed?
mustn't you have flowed?
mustn't he have flowed?
mustn't we have flowed?
mustn't you have flowed?
mustn't they have flowed? 	mustn't I have been flowing?
mustn't you have been flowing?
mustn't he have been flowing?
mustn't we have been flowing?
mustn't you have been flowing?
mustn't they have been flowing?