I must scutter you must scutter she must scutter we must scutter you must scutter they must scutter
Forme en 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
Perfect
I must have scuttered you must have scuttered she must have scuttered we must have scuttered you must have scuttered they must have scuttered
Perfect en 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
Négation
Forme 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
Forme en 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
Perfect
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
Perfect en 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
Forme interrogative
Forme simple
must I scutter? must you scutter? must she scutter? must we scutter? must you scutter? must they scutter?
Forme en 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?
Perfect
must I have scuttered? must you have scuttered? must she have scuttered? must we have scuttered? must you have scuttered? must they have scuttered?
Perfect en 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?
Forme interro-négative
Forme 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?
Forme en 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?
Perfect
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?
Perfect en 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?