must wax
Verbo regular: wax - waxed- waxed

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must wax
you must wax
he must wax
we must wax
you must wax
they must wax 	I must be waxing
you must be waxing
he must be waxing
we must be waxing
you must be waxing
they must be waxing	I must have waxed
you must have waxed
he must have waxed
we must have waxed
you must have waxed
they must have waxed	I must have been waxing
you must have been waxing
he must have been waxing
we must have been waxing
you must have been waxing
they must have been waxing	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must not wax
you must not wax
he must not wax
we must not wax
you must not wax
they must not wax 	I must not be waxing
you must not be waxing
he must not be waxing
we must not be waxing
you must not be waxing
they must not be waxing	I must not have waxed
you must not have waxed
he must not have waxed
we must not have waxed
you must not have waxed
they must not have waxed	I must not have been waxing
you must not have been waxing
he must not have been waxing
we must not have been waxing
you must not have been waxing
they must not have been waxing	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I wax?
must you wax?
must he wax?
must we wax?
must you wax?
must they wax? 	must I be waxing?
must you be waxing?
must he be waxing?
must we be waxing?
must you be waxing?
must they be waxing? 	must I have waxed?
must you have waxed?
must he have waxed?
must we have waxed?
must you have waxed?
must they have waxed? 	must I have been waxing?
must you have been waxing?
must he have been waxing?
must we have been waxing?
must you have been waxing?
must they have been waxing? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I not wax?
must you not wax?
must he not wax?
must we not wax?
must you not wax?
must they not wax? 	must I not be waxing?
must you not be waxing?
must he not be waxing?
must we not be waxing?
must you not be waxing?
must they not be waxing? 	must I not have waxed?
must you not have waxed?
must he not have waxed?
must we not have waxed?
must you not have waxed?
must they not have waxed? 	must I not have been waxing?
must you not have been waxing?
must he not have been waxing?
must we not have been waxing?
must you not have been waxing?
must they not have been waxing?