must disable
Verbo regular: disable - disabled- disabled

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must disable
you must disable
she must disable
we must disable
you must disable
they must disable 	I must be disabling
you must be disabling
she must be disabling
we must be disabling
you must be disabling
they must be disabling	I must have disabled
you must have disabled
she must have disabled
we must have disabled
you must have disabled
they must have disabled	I must have been disabling
you must have been disabling
she must have been disabling
we must have been disabling
you must have been disabling
they must have been disabling	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must not disable
you must not disable
she must not disable
we must not disable
you must not disable
they must not disable 	I must not be disabling
you must not be disabling
she must not be disabling
we must not be disabling
you must not be disabling
they must not be disabling	I must not have disabled
you must not have disabled
she must not have disabled
we must not have disabled
you must not have disabled
they must not have disabled	I must not have been disabling
you must not have been disabling
she must not have been disabling
we must not have been disabling
you must not have been disabling
they must not have been disabling	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I disable?
must you disable?
must she disable?
must we disable?
must you disable?
must they disable? 	must I be disabling?
must you be disabling?
must she be disabling?
must we be disabling?
must you be disabling?
must they be disabling? 	must I have disabled?
must you have disabled?
must she have disabled?
must we have disabled?
must you have disabled?
must they have disabled? 	must I have been disabling?
must you have been disabling?
must she have been disabling?
must we have been disabling?
must you have been disabling?
must they have been disabling? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I not disable?
must you not disable?
must she not disable?
must we not disable?
must you not disable?
must they not disable? 	must I not be disabling?
must you not be disabling?
must she not be disabling?
must we not be disabling?
must you not be disabling?
must they not be disabling? 	must I not have disabled?
must you not have disabled?
must she not have disabled?
must we not have disabled?
must you not have disabled?
must they not have disabled? 	must I not have been disabling?
must you not have been disabling?
must she not have been disabling?
must we not have been disabling?
must you not have been disabling?
must they not have been disabling?