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