Conjugación del verbo inglés
MUST UNDERPRODUCE

Verbo regular: underproduce - underproduced - underproduced

Afirmación

Forma simple	Forma con V-ing
I must underproduce you must underproduce she must underproduce we must underproduce you must underproduce they must underproduce	I must be underproducing you must be underproducing she must be underproducing we must be underproducing you must be underproducing they must be underproducing
Perfecto	Perfecto con V-ing
I must have underproduced you must have underproduced she must have underproduced we must have underproduced you must have underproduced they must have underproduced	I must have been underproducing you must have been underproducing she must have been underproducing we must have been underproducing you must have been underproducing they must have been underproducing

Negación

Forma simple	Forma con V-ing
I mustn't underproduce you mustn't underproduce she mustn't underproduce we mustn't underproduce you mustn't underproduce they mustn't underproduce	I mustn't be underproducing you mustn't be underproducing she mustn't be underproducing we mustn't be underproducing you mustn't be underproducing they mustn't be underproducing
Perfecto	Perfecto con V-ing
I mustn't have underproduced you mustn't have underproduced she mustn't have underproduced we mustn't have underproduced you mustn't have underproduced they mustn't have underproduced	I mustn't have been underproducing you mustn't have been underproducing she mustn't have been underproducing we mustn't have been underproducing you mustn't have been underproducing they mustn't have been underproducing

Forma interrogativa

Forma simple	Forma con V-ing
must I underproduce? must you underproduce? must she underproduce? must we underproduce? must you underproduce? must they underproduce?	must I be underproducing? must you be underproducing? must she be underproducing? must we be underproducing? must you be underproducing? must they be underproducing?
Perfecto	Perfecto con V-ing
must I have underproduced? must you have underproduced? must she have underproduced? must we have underproduced? must you have underproduced? must they have underproduced?	must I have been underproducing? must you have been underproducing? must she have been underproducing? must we have been underproducing? must you have been underproducing? must they have been underproducing?

Forma interro-negativa

Forma simple	Forma con V-ing
mustn't I underproduce? mustn't you underproduce? mustn't she underproduce? mustn't we underproduce? mustn't you underproduce? mustn't they underproduce?	mustn't I be underproducing? mustn't you be underproducing? mustn't she be underproducing? mustn't we be underproducing? mustn't you be underproducing? mustn't they be underproducing?
Perfecto	Perfecto con V-ing
mustn't I have underproduced? mustn't you have underproduced? mustn't she have underproduced? mustn't we have underproduced? mustn't you have underproduced? mustn't they have underproduced?	mustn't I have been underproducing? mustn't you have been underproducing? mustn't she have been underproducing? mustn't we have been underproducing? mustn't you have been underproducing? mustn't they have been underproducing?