must flute
Verbo regular: flute - fluted- fluted

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must flute
you must flute
she must flute
we must flute
you must flute
they must flute 	I must be fluting
you must be fluting
she must be fluting
we must be fluting
you must be fluting
they must be fluting	I must have fluted
you must have fluted
she must have fluted
we must have fluted
you must have fluted
they must have fluted	I must have been fluting
you must have been fluting
she must have been fluting
we must have been fluting
you must have been fluting
they must have been fluting	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must not flute
you must not flute
she must not flute
we must not flute
you must not flute
they must not flute 	I must not be fluting
you must not be fluting
she must not be fluting
we must not be fluting
you must not be fluting
they must not be fluting	I must not have fluted
you must not have fluted
she must not have fluted
we must not have fluted
you must not have fluted
they must not have fluted	I must not have been fluting
you must not have been fluting
she must not have been fluting
we must not have been fluting
you must not have been fluting
they must not have been fluting	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I flute?
must you flute?
must she flute?
must we flute?
must you flute?
must they flute? 	must I be fluting?
must you be fluting?
must she be fluting?
must we be fluting?
must you be fluting?
must they be fluting? 	must I have fluted?
must you have fluted?
must she have fluted?
must we have fluted?
must you have fluted?
must they have fluted? 	must I have been fluting?
must you have been fluting?
must she have been fluting?
must we have been fluting?
must you have been fluting?
must they have been fluting? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I not flute?
must you not flute?
must she not flute?
must we not flute?
must you not flute?
must they not flute? 	must I not be fluting?
must you not be fluting?
must she not be fluting?
must we not be fluting?
must you not be fluting?
must they not be fluting? 	must I not have fluted?
must you not have fluted?
must she not have fluted?
must we not have fluted?
must you not have fluted?
must they not have fluted? 	must I not have been fluting?
must you not have been fluting?
must she not have been fluting?
must we not have been fluting?
must you not have been fluting?
must they not have been fluting?