must valve
Verbo regolare: valve - valved- valved

Affermazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I must valve
you must valve
he must valve
we must valve
you must valve
they must valve 	I must be valving
you must be valving
he must be valving
we must be valving
you must be valving
they must be valving	I must have valved
you must have valved
he must have valved
we must have valved
you must have valved
they must have valved	I must have been valving
you must have been valving
he must have been valving
we must have been valving
you must have been valving
they must have been valving	

Negazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I mustn't valve
you mustn't valve
he mustn't valve
we mustn't valve
you mustn't valve
they mustn't valve 	I mustn't be valving
you mustn't be valving
he mustn't be valving
we mustn't be valving
you mustn't be valving
they mustn't be valving	I mustn't have valved
you mustn't have valved
he mustn't have valved
we mustn't have valved
you mustn't have valved
they mustn't have valved	I mustn't have been valving
you mustn't have been valving
he mustn't have been valving
we mustn't have been valving
you mustn't have been valving
they mustn't have been valving	

Forma interrogativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
must I valve?
must you valve?
must he valve?
must we valve?
must you valve?
must they valve? 	must I be valving?
must you be valving?
must he be valving?
must we be valving?
must you be valving?
must they be valving? 	must I have valved?
must you have valved?
must he have valved?
must we have valved?
must you have valved?
must they have valved? 	must I have been valving?
must you have been valving?
must he have been valving?
must we have been valving?
must you have been valving?
must they have been valving? 	

Forma interro-negativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
mustn't I valve?
mustn't you valve?
mustn't he valve?
mustn't we valve?
mustn't you valve?
mustn't they valve? 	mustn't I be valving?
mustn't you be valving?
mustn't he be valving?
mustn't we be valving?
mustn't you be valving?
mustn't they be valving? 	mustn't I have valved?
mustn't you have valved?
mustn't he have valved?
mustn't we have valved?
mustn't you have valved?
mustn't they have valved? 	mustn't I have been valving?
mustn't you have been valving?
mustn't he have been valving?
mustn't we have been valving?
mustn't you have been valving?
mustn't they have been valving?