Conjugação do verbo inglês
MUST SIGH

Verbo regular: sigh - sighed - sighed

Afirmação

Forma simple	Forma com V-ing
I must sigh you must sigh he must sigh we must sigh you must sigh they must sigh	I must be sighing you must be sighing he must be sighing we must be sighing you must be sighing they must be sighing
Perfeito	Perfeito com V-ing
I must have sighed you must have sighed he must have sighed we must have sighed you must have sighed they must have sighed	I must have been sighing you must have been sighing he must have been sighing we must have been sighing you must have been sighing they must have been sighing

Negação

Forma simple	Forma com V-ing
I must not sigh you must not sigh he must not sigh we must not sigh you must not sigh they must not sigh	I must not be sighing you must not be sighing he must not be sighing we must not be sighing you must not be sighing they must not be sighing
Perfeito	Perfeito com V-ing
I must not have sighed you must not have sighed he must not have sighed we must not have sighed you must not have sighed they must not have sighed	I must not have been sighing you must not have been sighing he must not have been sighing we must not have been sighing you must not have been sighing they must not have been sighing

Forma interrogativa

Forma simple	Forma com V-ing
must I sigh? must you sigh? must he sigh? must we sigh? must you sigh? must they sigh?	must I be sighing? must you be sighing? must he be sighing? must we be sighing? must you be sighing? must they be sighing?
Perfeito	Perfeito com V-ing
must I have sighed? must you have sighed? must he have sighed? must we have sighed? must you have sighed? must they have sighed?	must I have been sighing? must you have been sighing? must he have been sighing? must we have been sighing? must you have been sighing? must they have been sighing?

Forma interro-Negação

Forma simple	Forma com V-ing
must I not sigh? must you not sigh? must he not sigh? must we not sigh? must you not sigh? must they not sigh?	must I not be sighing? must you not be sighing? must he not be sighing? must we not be sighing? must you not be sighing? must they not be sighing?
Perfeito	Perfeito com V-ing
must I not have sighed? must you not have sighed? must he not have sighed? must we not have sighed? must you not have sighed? must they not have sighed?	must I not have been sighing? must you not have been sighing? must he not have been sighing? must we not have been sighing? must you not have been sighing? must they not have been sighing?