Verbo regular: participate - participated - participated
Afirmación
Forma simple
I must participate you must participate he must participate we must participate you must participate they must participate
Forma con V-ing
I must be participating you must be participating he must be participating we must be participating you must be participating they must be participating
Perfecto
I must have participated you must have participated he must have participated we must have participated you must have participated they must have participated
Perfecto con V-ing
I must have been participating you must have been participating he must have been participating we must have been participating you must have been participating they must have been participating
Negación
Forma simple
I mustn't participate you mustn't participate he mustn't participate we mustn't participate you mustn't participate they mustn't participate
Forma con V-ing
I mustn't be participating you mustn't be participating he mustn't be participating we mustn't be participating you mustn't be participating they mustn't be participating
Perfecto
I mustn't have participated you mustn't have participated he mustn't have participated we mustn't have participated you mustn't have participated they mustn't have participated
Perfecto con V-ing
I mustn't have been participating you mustn't have been participating he mustn't have been participating we mustn't have been participating you mustn't have been participating they mustn't have been participating
Forma interrogativa
Forma simple
must I participate? must you participate? must he participate? must we participate? must you participate? must they participate?
Forma con V-ing
must I be participating? must you be participating? must he be participating? must we be participating? must you be participating? must they be participating?
Perfecto
must I have participated? must you have participated? must he have participated? must we have participated? must you have participated? must they have participated?
Perfecto con V-ing
must I have been participating? must you have been participating? must he have been participating? must we have been participating? must you have been participating? must they have been participating?
Forma interro-negativa
Forma simple
mustn't I participate? mustn't you participate? mustn't he participate? mustn't we participate? mustn't you participate? mustn't they participate?
Forma con V-ing
mustn't I be participating? mustn't you be participating? mustn't he be participating? mustn't we be participating? mustn't you be participating? mustn't they be participating?
Perfecto
mustn't I have participated? mustn't you have participated? mustn't he have participated? mustn't we have participated? mustn't you have participated? mustn't they have participated?
Perfecto con V-ing
mustn't I have been participating? mustn't you have been participating? mustn't he have been participating? mustn't we have been participating? mustn't you have been participating? mustn't they have been participating?