I must infect you must infect she must infect we must infect you must infect they must infect
Forme en V-ing
I must be infecting you must be infecting she must be infecting we must be infecting you must be infecting they must be infecting
Perfect
I must have infected you must have infected she must have infected we must have infected you must have infected they must have infected
Perfect en V-ing
I must have been infecting you must have been infecting she must have been infecting we must have been infecting you must have been infecting they must have been infecting
Négation
Forme simple
I must not infect you must not infect she must not infect we must not infect you must not infect they must not infect
Forme en V-ing
I must not be infecting you must not be infecting she must not be infecting we must not be infecting you must not be infecting they must not be infecting
Perfect
I must not have infected you must not have infected she must not have infected we must not have infected you must not have infected they must not have infected
Perfect en V-ing
I must not have been infecting you must not have been infecting she must not have been infecting we must not have been infecting you must not have been infecting they must not have been infecting
Forme interrogative
Forme simple
must I infect? must you infect? must she infect? must we infect? must you infect? must they infect?
Forme en V-ing
must I be infecting? must you be infecting? must she be infecting? must we be infecting? must you be infecting? must they be infecting?
Perfect
must I have infected? must you have infected? must she have infected? must we have infected? must you have infected? must they have infected?
Perfect en V-ing
must I have been infecting? must you have been infecting? must she have been infecting? must we have been infecting? must you have been infecting? must they have been infecting?
Forme interro-négative
Forme simple
must I not infect? must you not infect? must she not infect? must we not infect? must you not infect? must they not infect?
Forme en V-ing
must I not be infecting? must you not be infecting? must she not be infecting? must we not be infecting? must you not be infecting? must they not be infecting?
Perfect
must I not have infected? must you not have infected? must she not have infected? must we not have infected? must you not have infected? must they not have infected?
Perfect en V-ing
must I not have been infecting? must you not have been infecting? must she not have been infecting? must we not have been infecting? must you not have been infecting? must they not have been infecting?