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 must not underproduce you must not underproduce she must not underproduce we must not underproduce you must not underproduce they must not underproduce	I must not be underproducing you must not be underproducing she must not be underproducing we must not be underproducing you must not be underproducing they must not be underproducing
Perfecto	Perfecto con V-ing
I must not have underproduced you must not have underproduced she must not have underproduced we must not have underproduced you must not have underproduced they must not have underproduced	I must not have been underproducing you must not have been underproducing she must not have been underproducing we must not have been underproducing you must not have been underproducing they must not 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
must I not underproduce? must you not underproduce? must she not underproduce? must we not underproduce? must you not underproduce? must they not underproduce?	must I not be underproducing? must you not be underproducing? must she not be underproducing? must we not be underproducing? must you not be underproducing? must they not be underproducing?
Perfecto	Perfecto con V-ing
must I not have underproduced? must you not have underproduced? must she not have underproduced? must we not have underproduced? must you not have underproduced? must they not have underproduced?	must I not have been underproducing? must you not have been underproducing? must she not have been underproducing? must we not have been underproducing? must you not have been underproducing? must they not have been underproducing?