must fly
Verbo irregular: fly - flew- flown

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com 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	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must not fly
you must not fly
he must not fly
we must not fly
you must not fly
they must not fly 	I must not be flying
you must not be flying
he must not be flying
we must not be flying
you must not be flying
they must not be flying	I must not have flown
you must not have flown
he must not have flown
we must not have flown
you must not have flown
they must not have flown	I must not have been flying
you must not have been flying
he must not have been flying
we must not have been flying
you must not have been flying
they must not have been flying	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com 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-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I not fly?
must you not fly?
must he not fly?
must we not fly?
must you not fly?
must they not fly? 	must I not be flying?
must you not be flying?
must he not be flying?
must we not be flying?
must you not be flying?
must they not be flying? 	must I not have flown?
must you not have flown?
must he not have flown?
must we not have flown?
must you not have flown?
must they not have flown? 	must I not have been flying?
must you not have been flying?
must he not have been flying?
must we not have been flying?
must you not have been flying?
must they not have been flying?