must enable
Verbo regular: enable - enabled- enabled

Afirmação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I must enable
you must enable
she must enable
we must enable
you must enable
they must enable 	I must be enabling
you must be enabling
she must be enabling
we must be enabling
you must be enabling
they must be enabling	I must have enabled
you must have enabled
she must have enabled
we must have enabled
you must have enabled
they must have enabled	I must have been enabling
you must have been enabling
she must have been enabling
we must have been enabling
you must have been enabling
they must have been enabling	

Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
I mustn't enable
you mustn't enable
she mustn't enable
we mustn't enable
you mustn't enable
they mustn't enable 	I mustn't be enabling
you mustn't be enabling
she mustn't be enabling
we mustn't be enabling
you mustn't be enabling
they mustn't be enabling	I mustn't have enabled
you mustn't have enabled
she mustn't have enabled
we mustn't have enabled
you mustn't have enabled
they mustn't have enabled	I mustn't have been enabling
you mustn't have been enabling
she mustn't have been enabling
we mustn't have been enabling
you mustn't have been enabling
they mustn't have been enabling	

Forma interrogativa 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
must I enable?
must you enable?
must she enable?
must we enable?
must you enable?
must they enable? 	must I be enabling?
must you be enabling?
must she be enabling?
must we be enabling?
must you be enabling?
must they be enabling? 	must I have enabled?
must you have enabled?
must she have enabled?
must we have enabled?
must you have enabled?
must they have enabled? 	must I have been enabling?
must you have been enabling?
must she have been enabling?
must we have been enabling?
must you have been enabling?
must they have been enabling? 	

Forma interro-Negação 	
Forma simple 	Forma com V-ing 	Perfeito 	Perfeito com V-ing 	
mustn't I enable?
mustn't you enable?
mustn't she enable?
mustn't we enable?
mustn't you enable?
mustn't they enable? 	mustn't I be enabling?
mustn't you be enabling?
mustn't she be enabling?
mustn't we be enabling?
mustn't you be enabling?
mustn't they be enabling? 	mustn't I have enabled?
mustn't you have enabled?
mustn't she have enabled?
mustn't we have enabled?
mustn't you have enabled?
mustn't they have enabled? 	mustn't I have been enabling?
mustn't you have been enabling?
mustn't she have been enabling?
mustn't we have been enabling?
mustn't you have been enabling?
mustn't they have been enabling?