Conjugação do verbo inglês
MUST FRET

Verbo regular: fret - fretted - fretted

Afirmação

Forma simple	Forma com V-ing
I must fret you must fret he must fret we must fret you must fret they must fret	I must be fretting you must be fretting he must be fretting we must be fretting you must be fretting they must be fretting
Perfeito	Perfeito com V-ing
I must have fretted you must have fretted he must have fretted we must have fretted you must have fretted they must have fretted	I must have been fretting you must have been fretting he must have been fretting we must have been fretting you must have been fretting they must have been fretting

Negação

Forma simple	Forma com V-ing
I must not fret you must not fret he must not fret we must not fret you must not fret they must not fret	I must not be fretting you must not be fretting he must not be fretting we must not be fretting you must not be fretting they must not be fretting
Perfeito	Perfeito com V-ing
I must not have fretted you must not have fretted he must not have fretted we must not have fretted you must not have fretted they must not have fretted	I must not have been fretting you must not have been fretting he must not have been fretting we must not have been fretting you must not have been fretting they must not have been fretting

Forma interrogativa

Forma simple	Forma com V-ing
must I fret? must you fret? must he fret? must we fret? must you fret? must they fret?	must I be fretting? must you be fretting? must he be fretting? must we be fretting? must you be fretting? must they be fretting?
Perfeito	Perfeito com V-ing
must I have fretted? must you have fretted? must he have fretted? must we have fretted? must you have fretted? must they have fretted?	must I have been fretting? must you have been fretting? must he have been fretting? must we have been fretting? must you have been fretting? must they have been fretting?

Forma interro-Negação

Forma simple	Forma com V-ing
must I not fret? must you not fret? must he not fret? must we not fret? must you not fret? must they not fret?	must I not be fretting? must you not be fretting? must he not be fretting? must we not be fretting? must you not be fretting? must they not be fretting?
Perfeito	Perfeito com V-ing
must I not have fretted? must you not have fretted? must he not have fretted? must we not have fretted? must you not have fretted? must they not have fretted?	must I not have been fretting? must you not have been fretting? must he not have been fretting? must we not have been fretting? must you not have been fretting? must they not have been fretting?