must proportion
Verbo regular: proportion - proportioned- proportioned

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must proportion
you must proportion
he must proportion
we must proportion
you must proportion
they must proportion 	I must be proportioning
you must be proportioning
he must be proportioning
we must be proportioning
you must be proportioning
they must be proportioning	I must have proportioned
you must have proportioned
he must have proportioned
we must have proportioned
you must have proportioned
they must have proportioned	I must have been proportioning
you must have been proportioning
he must have been proportioning
we must have been proportioning
you must have been proportioning
they must have been proportioning	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must not proportion
you must not proportion
he must not proportion
we must not proportion
you must not proportion
they must not proportion 	I must not be proportioning
you must not be proportioning
he must not be proportioning
we must not be proportioning
you must not be proportioning
they must not be proportioning	I must not have proportioned
you must not have proportioned
he must not have proportioned
we must not have proportioned
you must not have proportioned
they must not have proportioned	I must not have been proportioning
you must not have been proportioning
he must not have been proportioning
we must not have been proportioning
you must not have been proportioning
they must not have been proportioning	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I proportion?
must you proportion?
must he proportion?
must we proportion?
must you proportion?
must they proportion? 	must I be proportioning?
must you be proportioning?
must he be proportioning?
must we be proportioning?
must you be proportioning?
must they be proportioning? 	must I have proportioned?
must you have proportioned?
must he have proportioned?
must we have proportioned?
must you have proportioned?
must they have proportioned? 	must I have been proportioning?
must you have been proportioning?
must he have been proportioning?
must we have been proportioning?
must you have been proportioning?
must they have been proportioning? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I not proportion?
must you not proportion?
must he not proportion?
must we not proportion?
must you not proportion?
must they not proportion? 	must I not be proportioning?
must you not be proportioning?
must he not be proportioning?
must we not be proportioning?
must you not be proportioning?
must they not be proportioning? 	must I not have proportioned?
must you not have proportioned?
must he not have proportioned?
must we not have proportioned?
must you not have proportioned?
must they not have proportioned? 	must I not have been proportioning?
must you not have been proportioning?
must he not have been proportioning?
must we not have been proportioning?
must you not have been proportioning?
must they not have been proportioning?