must require
Verbo regolare: require - required- required

Affermazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I must require
you must require
he must require
we must require
you must require
they must require 	I must be requiring
you must be requiring
he must be requiring
we must be requiring
you must be requiring
they must be requiring	I must have required
you must have required
he must have required
we must have required
you must have required
they must have required	I must have been requiring
you must have been requiring
he must have been requiring
we must have been requiring
you must have been requiring
they must have been requiring	

Negazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I mustn't require
you mustn't require
he mustn't require
we mustn't require
you mustn't require
they mustn't require 	I mustn't be requiring
you mustn't be requiring
he mustn't be requiring
we mustn't be requiring
you mustn't be requiring
they mustn't be requiring	I mustn't have required
you mustn't have required
he mustn't have required
we mustn't have required
you mustn't have required
they mustn't have required	I mustn't have been requiring
you mustn't have been requiring
he mustn't have been requiring
we mustn't have been requiring
you mustn't have been requiring
they mustn't have been requiring	

Forma interrogativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
must I require?
must you require?
must he require?
must we require?
must you require?
must they require? 	must I be requiring?
must you be requiring?
must he be requiring?
must we be requiring?
must you be requiring?
must they be requiring? 	must I have required?
must you have required?
must he have required?
must we have required?
must you have required?
must they have required? 	must I have been requiring?
must you have been requiring?
must he have been requiring?
must we have been requiring?
must you have been requiring?
must they have been requiring? 	

Forma interro-negativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
mustn't I require?
mustn't you require?
mustn't he require?
mustn't we require?
mustn't you require?
mustn't they require? 	mustn't I be requiring?
mustn't you be requiring?
mustn't he be requiring?
mustn't we be requiring?
mustn't you be requiring?
mustn't they be requiring? 	mustn't I have required?
mustn't you have required?
mustn't he have required?
mustn't we have required?
mustn't you have required?
mustn't they have required? 	mustn't I have been requiring?
mustn't you have been requiring?
mustn't he have been requiring?
mustn't we have been requiring?
mustn't you have been requiring?
mustn't they have been requiring?