I must winter you must winter she must winter we must winter you must winter they must winter
Forme en V-ing
I must be wintering you must be wintering she must be wintering we must be wintering you must be wintering they must be wintering
Perfect
I must have wintered you must have wintered she must have wintered we must have wintered you must have wintered they must have wintered
Perfect en V-ing
I must have been wintering you must have been wintering she must have been wintering we must have been wintering you must have been wintering they must have been wintering
Négation
Forme simple
I mustn't winter you mustn't winter she mustn't winter we mustn't winter you mustn't winter they mustn't winter
Forme en V-ing
I mustn't be wintering you mustn't be wintering she mustn't be wintering we mustn't be wintering you mustn't be wintering they mustn't be wintering
Perfect
I mustn't have wintered you mustn't have wintered she mustn't have wintered we mustn't have wintered you mustn't have wintered they mustn't have wintered
Perfect en V-ing
I mustn't have been wintering you mustn't have been wintering she mustn't have been wintering we mustn't have been wintering you mustn't have been wintering they mustn't have been wintering
Forme interrogative
Forme simple
must I winter? must you winter? must she winter? must we winter? must you winter? must they winter?
Forme en V-ing
must I be wintering? must you be wintering? must she be wintering? must we be wintering? must you be wintering? must they be wintering?
Perfect
must I have wintered? must you have wintered? must she have wintered? must we have wintered? must you have wintered? must they have wintered?
Perfect en V-ing
must I have been wintering? must you have been wintering? must she have been wintering? must we have been wintering? must you have been wintering? must they have been wintering?
Forme interro-négative
Forme simple
mustn't I winter? mustn't you winter? mustn't she winter? mustn't we winter? mustn't you winter? mustn't they winter?
Forme en V-ing
mustn't I be wintering? mustn't you be wintering? mustn't she be wintering? mustn't we be wintering? mustn't you be wintering? mustn't they be wintering?
Perfect
mustn't I have wintered? mustn't you have wintered? mustn't she have wintered? mustn't we have wintered? mustn't you have wintered? mustn't they have wintered?
Perfect en V-ing
mustn't I have been wintering? mustn't you have been wintering? mustn't she have been wintering? mustn't we have been wintering? mustn't you have been wintering? mustn't they have been wintering?