Conjugación del verbo inglés
MUST UNDERWORK

Verbo regular: underwork - underworked - underworked

Afirmación

Forma simple	Forma con V-ing
I must underwork you must underwork he must underwork we must underwork you must underwork they must underwork	I must be underworking you must be underworking he must be underworking we must be underworking you must be underworking they must be underworking
Perfecto	Perfecto con V-ing
I must have underworked you must have underworked he must have underworked we must have underworked you must have underworked they must have underworked	I must have been underworking you must have been underworking he must have been underworking we must have been underworking you must have been underworking they must have been underworking

Negación

Forma simple	Forma con V-ing
I mustn't underwork you mustn't underwork he mustn't underwork we mustn't underwork you mustn't underwork they mustn't underwork	I mustn't be underworking you mustn't be underworking he mustn't be underworking we mustn't be underworking you mustn't be underworking they mustn't be underworking
Perfecto	Perfecto con V-ing
I mustn't have underworked you mustn't have underworked he mustn't have underworked we mustn't have underworked you mustn't have underworked they mustn't have underworked	I mustn't have been underworking you mustn't have been underworking he mustn't have been underworking we mustn't have been underworking you mustn't have been underworking they mustn't have been underworking

Forma interrogativa

Forma simple	Forma con V-ing
must I underwork? must you underwork? must he underwork? must we underwork? must you underwork? must they underwork?	must I be underworking? must you be underworking? must he be underworking? must we be underworking? must you be underworking? must they be underworking?
Perfecto	Perfecto con V-ing
must I have underworked? must you have underworked? must he have underworked? must we have underworked? must you have underworked? must they have underworked?	must I have been underworking? must you have been underworking? must he have been underworking? must we have been underworking? must you have been underworking? must they have been underworking?

Forma interro-negativa

Forma simple	Forma con V-ing
mustn't I underwork? mustn't you underwork? mustn't he underwork? mustn't we underwork? mustn't you underwork? mustn't they underwork?	mustn't I be underworking? mustn't you be underworking? mustn't he be underworking? mustn't we be underworking? mustn't you be underworking? mustn't they be underworking?
Perfecto	Perfecto con V-ing
mustn't I have underworked? mustn't you have underworked? mustn't he have underworked? mustn't we have underworked? mustn't you have underworked? mustn't they have underworked?	mustn't I have been underworking? mustn't you have been underworking? mustn't he have been underworking? mustn't we have been underworking? mustn't you have been underworking? mustn't they have been underworking?