I must contend you must contend he must contend we must contend you must contend they must contend
Forma com V-ing
I must be contending you must be contending he must be contending we must be contending you must be contending they must be contending
Perfeito
I must have contended you must have contended he must have contended we must have contended you must have contended they must have contended
Perfeito com V-ing
I must have been contending you must have been contending he must have been contending we must have been contending you must have been contending they must have been contending
Negação
Forma simple
I mustn't contend you mustn't contend he mustn't contend we mustn't contend you mustn't contend they mustn't contend
Forma com V-ing
I mustn't be contending you mustn't be contending he mustn't be contending we mustn't be contending you mustn't be contending they mustn't be contending
Perfeito
I mustn't have contended you mustn't have contended he mustn't have contended we mustn't have contended you mustn't have contended they mustn't have contended
Perfeito com V-ing
I mustn't have been contending you mustn't have been contending he mustn't have been contending we mustn't have been contending you mustn't have been contending they mustn't have been contending
Forma interrogativa
Forma simple
must I contend? must you contend? must he contend? must we contend? must you contend? must they contend?
Forma com V-ing
must I be contending? must you be contending? must he be contending? must we be contending? must you be contending? must they be contending?
Perfeito
must I have contended? must you have contended? must he have contended? must we have contended? must you have contended? must they have contended?
Perfeito com V-ing
must I have been contending? must you have been contending? must he have been contending? must we have been contending? must you have been contending? must they have been contending?
Forma interro-Negação
Forma simple
mustn't I contend? mustn't you contend? mustn't he contend? mustn't we contend? mustn't you contend? mustn't they contend?
Forma com V-ing
mustn't I be contending? mustn't you be contending? mustn't he be contending? mustn't we be contending? mustn't you be contending? mustn't they be contending?
Perfeito
mustn't I have contended? mustn't you have contended? mustn't he have contended? mustn't we have contended? mustn't you have contended? mustn't they have contended?
Perfeito com V-ing
mustn't I have been contending? mustn't you have been contending? mustn't he have been contending? mustn't we have been contending? mustn't you have been contending? mustn't they have been contending?