must fly
Verbo irregolare: fly - flew- flown

Affermazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I must fly
you must fly
he must fly
we must fly
you must fly
they must fly 	I must be flying
you must be flying
he must be flying
we must be flying
you must be flying
they must be flying	I must have flown
you must have flown
he must have flown
we must have flown
you must have flown
they must have flown	I must have been flying
you must have been flying
he must have been flying
we must have been flying
you must have been flying
they must have been flying	

Negazione 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
I mustn't fly
you mustn't fly
he mustn't fly
we mustn't fly
you mustn't fly
they mustn't fly 	I mustn't be flying
you mustn't be flying
he mustn't be flying
we mustn't be flying
you mustn't be flying
they mustn't be flying	I mustn't have flown
you mustn't have flown
he mustn't have flown
we mustn't have flown
you mustn't have flown
they mustn't have flown	I mustn't have been flying
you mustn't have been flying
he mustn't have been flying
we mustn't have been flying
you mustn't have been flying
they mustn't have been flying	

Forma interrogativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
must I fly?
must you fly?
must he fly?
must we fly?
must you fly?
must they fly? 	must I be flying?
must you be flying?
must he be flying?
must we be flying?
must you be flying?
must they be flying? 	must I have flown?
must you have flown?
must he have flown?
must we have flown?
must you have flown?
must they have flown? 	must I have been flying?
must you have been flying?
must he have been flying?
must we have been flying?
must you have been flying?
must they have been flying? 	

Forma interro-negativa 	
Forma semplice 	Forma con V-ing 	Perfetto 	Perfetto con V-ing 	
mustn't I fly?
mustn't you fly?
mustn't he fly?
mustn't we fly?
mustn't you fly?
mustn't they fly? 	mustn't I be flying?
mustn't you be flying?
mustn't he be flying?
mustn't we be flying?
mustn't you be flying?
mustn't they be flying? 	mustn't I have flown?
mustn't you have flown?
mustn't he have flown?
mustn't we have flown?
mustn't you have flown?
mustn't they have flown? 	mustn't I have been flying?
mustn't you have been flying?
mustn't he have been flying?
mustn't we have been flying?
mustn't you have been flying?
mustn't they have been flying?