Conjugação do verbo inglês
MUST RING

Verbo irregular: ring - rang - rung

Afirmação

Forma simple	Forma com V-ing
I must ring you must ring she must ring we must ring you must ring they must ring	I must be ringing you must be ringing she must be ringing we must be ringing you must be ringing they must be ringing
Perfeito	Perfeito com V-ing
I must have rung you must have rung she must have rung we must have rung you must have rung they must have rung	I must have been ringing you must have been ringing she must have been ringing we must have been ringing you must have been ringing they must have been ringing

Negação

Forma simple	Forma com V-ing
I must not ring you must not ring she must not ring we must not ring you must not ring they must not ring	I must not be ringing you must not be ringing she must not be ringing we must not be ringing you must not be ringing they must not be ringing
Perfeito	Perfeito com V-ing
I must not have rung you must not have rung she must not have rung we must not have rung you must not have rung they must not have rung	I must not have been ringing you must not have been ringing she must not have been ringing we must not have been ringing you must not have been ringing they must not have been ringing

Forma interrogativa

Forma simple	Forma com V-ing
must I ring? must you ring? must she ring? must we ring? must you ring? must they ring?	must I be ringing? must you be ringing? must she be ringing? must we be ringing? must you be ringing? must they be ringing?
Perfeito	Perfeito com V-ing
must I have rung? must you have rung? must she have rung? must we have rung? must you have rung? must they have rung?	must I have been ringing? must you have been ringing? must she have been ringing? must we have been ringing? must you have been ringing? must they have been ringing?

Forma interro-Negação

Forma simple	Forma com V-ing
must I not ring? must you not ring? must she not ring? must we not ring? must you not ring? must they not ring?	must I not be ringing? must you not be ringing? must she not be ringing? must we not be ringing? must you not be ringing? must they not be ringing?
Perfeito	Perfeito com V-ing
must I not have rung? must you not have rung? must she not have rung? must we not have rung? must you not have rung? must they not have rung?	must I not have been ringing? must you not have been ringing? must she not have been ringing? must we not have been ringing? must you not have been ringing? must they not have been ringing?