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