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 must not winter you must not winter she must not winter we must not winter you must not winter they must not winter
Forme en V-ing
I must not be wintering you must not be wintering she must not be wintering we must not be wintering you must not be wintering they must not be wintering
Perfect
I must not have wintered you must not have wintered she must not have wintered we must not have wintered you must not have wintered they must not have wintered
Perfect en V-ing
I must not have been wintering you must not have been wintering she must not have been wintering we must not have been wintering you must not have been wintering they must not 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
must I not winter? must you not winter? must she not winter? must we not winter? must you not winter? must they not winter?
Forme en V-ing
must I not be wintering? must you not be wintering? must she not be wintering? must we not be wintering? must you not be wintering? must they not be wintering?
Perfect
must I not have wintered? must you not have wintered? must she not have wintered? must we not have wintered? must you not have wintered? must they not have wintered?
Perfect en V-ing
must I not have been wintering? must you not have been wintering? must she not have been wintering? must we not have been wintering? must you not have been wintering? must they not have been wintering?