I must scutter you must scutter she must scutter we must scutter you must scutter they must scutter
Forma con V-ing
I must be scuttering you must be scuttering she must be scuttering we must be scuttering you must be scuttering they must be scuttering
Perfecto
I must have scuttered you must have scuttered she must have scuttered we must have scuttered you must have scuttered they must have scuttered
Perfecto con V-ing
I must have been scuttering you must have been scuttering she must have been scuttering we must have been scuttering you must have been scuttering they must have been scuttering
Negación
Forma simple
I mustn't scutter you mustn't scutter she mustn't scutter we mustn't scutter you mustn't scutter they mustn't scutter
Forma con V-ing
I mustn't be scuttering you mustn't be scuttering she mustn't be scuttering we mustn't be scuttering you mustn't be scuttering they mustn't be scuttering
Perfecto
I mustn't have scuttered you mustn't have scuttered she mustn't have scuttered we mustn't have scuttered you mustn't have scuttered they mustn't have scuttered
Perfecto con V-ing
I mustn't have been scuttering you mustn't have been scuttering she mustn't have been scuttering we mustn't have been scuttering you mustn't have been scuttering they mustn't have been scuttering
Forma interrogativa
Forma simple
must I scutter? must you scutter? must she scutter? must we scutter? must you scutter? must they scutter?
Forma con V-ing
must I be scuttering? must you be scuttering? must she be scuttering? must we be scuttering? must you be scuttering? must they be scuttering?
Perfecto
must I have scuttered? must you have scuttered? must she have scuttered? must we have scuttered? must you have scuttered? must they have scuttered?
Perfecto con V-ing
must I have been scuttering? must you have been scuttering? must she have been scuttering? must we have been scuttering? must you have been scuttering? must they have been scuttering?
Forma interro-negativa
Forma simple
mustn't I scutter? mustn't you scutter? mustn't she scutter? mustn't we scutter? mustn't you scutter? mustn't they scutter?
Forma con V-ing
mustn't I be scuttering? mustn't you be scuttering? mustn't she be scuttering? mustn't we be scuttering? mustn't you be scuttering? mustn't they be scuttering?
Perfecto
mustn't I have scuttered? mustn't you have scuttered? mustn't she have scuttered? mustn't we have scuttered? mustn't you have scuttered? mustn't they have scuttered?
Perfecto con V-ing
mustn't I have been scuttering? mustn't you have been scuttering? mustn't she have been scuttering? mustn't we have been scuttering? mustn't you have been scuttering? mustn't they have been scuttering?