Conjugação do verbo inglês
MUST DO

Verbo irregular: do - did - done

Afirmação

Forma simple	Forma com V-ing
I must do you must do he must do we must do you must do they must do	I must be doing you must be doing he must be doing we must be doing you must be doing they must be doing
Perfeito	Perfeito com V-ing
I must have done you must have done he must have done we must have done you must have done they must have done	I must have been doing you must have been doing he must have been doing we must have been doing you must have been doing they must have been doing

Negação

Forma simple	Forma com V-ing
I mustn't do you mustn't do he mustn't do we mustn't do you mustn't do they mustn't do	I mustn't be doing you mustn't be doing he mustn't be doing we mustn't be doing you mustn't be doing they mustn't be doing
Perfeito	Perfeito com V-ing
I mustn't have done you mustn't have done he mustn't have done we mustn't have done you mustn't have done they mustn't have done	I mustn't have been doing you mustn't have been doing he mustn't have been doing we mustn't have been doing you mustn't have been doing they mustn't have been doing

Forma interrogativa

Forma simple	Forma com V-ing
must I do? must you do? must he do? must we do? must you do? must they do?	must I be doing? must you be doing? must he be doing? must we be doing? must you be doing? must they be doing?
Perfeito	Perfeito com V-ing
must I have done? must you have done? must he have done? must we have done? must you have done? must they have done?	must I have been doing? must you have been doing? must he have been doing? must we have been doing? must you have been doing? must they have been doing?

Forma interro-Negação

Forma simple	Forma com V-ing
mustn't I do? mustn't you do? mustn't he do? mustn't we do? mustn't you do? mustn't they do?	mustn't I be doing? mustn't you be doing? mustn't he be doing? mustn't we be doing? mustn't you be doing? mustn't they be doing?
Perfeito	Perfeito com V-ing
mustn't I have done? mustn't you have done? mustn't he have done? mustn't we have done? mustn't you have done? mustn't they have done?	mustn't I have been doing? mustn't you have been doing? mustn't he have been doing? mustn't we have been doing? mustn't you have been doing? mustn't they have been doing?