must disagree
Verbo regular: disagree - disagreed- disagreed

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must disagree
you must disagree
she must disagree
we must disagree
you must disagree
they must disagree 	I must be disagreeing
you must be disagreeing
she must be disagreeing
we must be disagreeing
you must be disagreeing
they must be disagreeing	I must have disagreed
you must have disagreed
she must have disagreed
we must have disagreed
you must have disagreed
they must have disagreed	I must have been disagreeing
you must have been disagreeing
she must have been disagreeing
we must have been disagreeing
you must have been disagreeing
they must have been disagreeing	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must not disagree
you must not disagree
she must not disagree
we must not disagree
you must not disagree
they must not disagree 	I must not be disagreeing
you must not be disagreeing
she must not be disagreeing
we must not be disagreeing
you must not be disagreeing
they must not be disagreeing	I must not have disagreed
you must not have disagreed
she must not have disagreed
we must not have disagreed
you must not have disagreed
they must not have disagreed	I must not have been disagreeing
you must not have been disagreeing
she must not have been disagreeing
we must not have been disagreeing
you must not have been disagreeing
they must not have been disagreeing	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I disagree?
must you disagree?
must she disagree?
must we disagree?
must you disagree?
must they disagree? 	must I be disagreeing?
must you be disagreeing?
must she be disagreeing?
must we be disagreeing?
must you be disagreeing?
must they be disagreeing? 	must I have disagreed?
must you have disagreed?
must she have disagreed?
must we have disagreed?
must you have disagreed?
must they have disagreed? 	must I have been disagreeing?
must you have been disagreeing?
must she have been disagreeing?
must we have been disagreeing?
must you have been disagreeing?
must they have been disagreeing? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I not disagree?
must you not disagree?
must she not disagree?
must we not disagree?
must you not disagree?
must they not disagree? 	must I not be disagreeing?
must you not be disagreeing?
must she not be disagreeing?
must we not be disagreeing?
must you not be disagreeing?
must they not be disagreeing? 	must I not have disagreed?
must you not have disagreed?
must she not have disagreed?
must we not have disagreed?
must you not have disagreed?
must they not have disagreed? 	must I not have been disagreeing?
must you not have been disagreeing?
must she not have been disagreeing?
must we not have been disagreeing?
must you not have been disagreeing?
must they not have been disagreeing?