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