Conjugação do verbo inglês
MUST UNDERPRODUCE

Verbo regular: underproduce - underproduced - underproduced

Afirmação

Forma simple	Forma com V-ing
I must underproduce you must underproduce he must underproduce we must underproduce you must underproduce they must underproduce	I must be underproducing you must be underproducing he must be underproducing we must be underproducing you must be underproducing they must be underproducing
Perfeito	Perfeito com V-ing
I must have underproduced you must have underproduced he 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 he must have been underproducing we must have been underproducing you must have been underproducing they must have been underproducing

Negação

Forma simple	Forma com V-ing
I must not underproduce you must not underproduce he 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 he must not be underproducing we must not be underproducing you must not be underproducing they must not be underproducing
Perfeito	Perfeito com V-ing
I must not have underproduced you must not have underproduced he 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 he 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 com V-ing
must I underproduce? must you underproduce? must he underproduce? must we underproduce? must you underproduce? must they underproduce?	must I be underproducing? must you be underproducing? must he be underproducing? must we be underproducing? must you be underproducing? must they be underproducing?
Perfeito	Perfeito com V-ing
must I have underproduced? must you have underproduced? must he 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 he have been underproducing? must we have been underproducing? must you have been underproducing? must they have been underproducing?

Forma interro-Negação

Forma simple	Forma com V-ing
must I not underproduce? must you not underproduce? must he 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 he not be underproducing? must we not be underproducing? must you not be underproducing? must they not be underproducing?
Perfeito	Perfeito com V-ing
must I not have underproduced? must you not have underproduced? must he 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 he not have been underproducing? must we not have been underproducing? must you not have been underproducing? must they not have been underproducing?