must correspond
Verbe régulier : correspond - corresponded- corresponded
Traduction française : correspondre - équivaloir 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must correspond
you must correspond
he must correspond
we must correspond
you must correspond
they must correspond 	I must be corresponding
you must be corresponding
he must be corresponding
we must be corresponding
you must be corresponding
they must be corresponding	I must have corresponded
you must have corresponded
he must have corresponded
we must have corresponded
you must have corresponded
they must have corresponded	I must have been corresponding
you must have been corresponding
he must have been corresponding
we must have been corresponding
you must have been corresponding
they must have been corresponding	

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

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