I must fitter you must fitter he must fitter we must fitter you must fitter they must fitter
Forma com V-ing
I must be fittering you must be fittering he must be fittering we must be fittering you must be fittering they must be fittering
Perfeito
I must have fittered you must have fittered he must have fittered we must have fittered you must have fittered they must have fittered
Perfeito com V-ing
I must have been fittering you must have been fittering he must have been fittering we must have been fittering you must have been fittering they must have been fittering
Negação
Forma simple
I mustn't fitter you mustn't fitter he mustn't fitter we mustn't fitter you mustn't fitter they mustn't fitter
Forma com V-ing
I mustn't be fittering you mustn't be fittering he mustn't be fittering we mustn't be fittering you mustn't be fittering they mustn't be fittering
Perfeito
I mustn't have fittered you mustn't have fittered he mustn't have fittered we mustn't have fittered you mustn't have fittered they mustn't have fittered
Perfeito com V-ing
I mustn't have been fittering you mustn't have been fittering he mustn't have been fittering we mustn't have been fittering you mustn't have been fittering they mustn't have been fittering
Forma interrogativa
Forma simple
must I fitter? must you fitter? must he fitter? must we fitter? must you fitter? must they fitter?
Forma com V-ing
must I be fittering? must you be fittering? must he be fittering? must we be fittering? must you be fittering? must they be fittering?
Perfeito
must I have fittered? must you have fittered? must he have fittered? must we have fittered? must you have fittered? must they have fittered?
Perfeito com V-ing
must I have been fittering? must you have been fittering? must he have been fittering? must we have been fittering? must you have been fittering? must they have been fittering?
Forma interro-Negação
Forma simple
mustn't I fitter? mustn't you fitter? mustn't he fitter? mustn't we fitter? mustn't you fitter? mustn't they fitter?
Forma com V-ing
mustn't I be fittering? mustn't you be fittering? mustn't he be fittering? mustn't we be fittering? mustn't you be fittering? mustn't they be fittering?
Perfeito
mustn't I have fittered? mustn't you have fittered? mustn't he have fittered? mustn't we have fittered? mustn't you have fittered? mustn't they have fittered?
Perfeito com V-ing
mustn't I have been fittering? mustn't you have been fittering? mustn't he have been fittering? mustn't we have been fittering? mustn't you have been fittering? mustn't they have been fittering?