must letter letter
Verbe régulier : letter letter - letter lettered- letter lettered

, ce verbe peut ne pas exister, la conjugaison est donnée à titre d'exemple.

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must letter letter
you must letter letter
he must letter letter
we must letter letter
you must letter letter
they must letter letter 	I must be letter lettering
you must be letter lettering
he must be letter lettering
we must be letter lettering
you must be letter lettering
they must be letter lettering	I must have letter lettered
you must have letter lettered
he must have letter lettered
we must have letter lettered
you must have letter lettered
they must have letter lettered	I must have been letter lettering
you must have been letter lettering
he must have been letter lettering
we must have been letter lettering
you must have been letter lettering
they must have been letter lettering	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must not letter letter
you must not letter letter
he must not letter letter
we must not letter letter
you must not letter letter
they must not letter letter 	I must not be letter lettering
you must not be letter lettering
he must not be letter lettering
we must not be letter lettering
you must not be letter lettering
they must not be letter lettering	I must not have letter lettered
you must not have letter lettered
he must not have letter lettered
we must not have letter lettered
you must not have letter lettered
they must not have letter lettered	I must not have been letter lettering
you must not have been letter lettering
he must not have been letter lettering
we must not have been letter lettering
you must not have been letter lettering
they must not have been letter lettering	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I letter letter?
must you letter letter?
must he letter letter?
must we letter letter?
must you letter letter?
must they letter letter? 	must I be letter lettering?
must you be letter lettering?
must he be letter lettering?
must we be letter lettering?
must you be letter lettering?
must they be letter lettering? 	must I have letter lettered?
must you have letter lettered?
must he have letter lettered?
must we have letter lettered?
must you have letter lettered?
must they have letter lettered? 	must I have been letter lettering?
must you have been letter lettering?
must he have been letter lettering?
must we have been letter lettering?
must you have been letter lettering?
must they have been letter lettering? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I not letter letter?
must you not letter letter?
must he not letter letter?
must we not letter letter?
must you not letter letter?
must they not letter letter? 	must I not be letter lettering?
must you not be letter lettering?
must he not be letter lettering?
must we not be letter lettering?
must you not be letter lettering?
must they not be letter lettering? 	must I not have letter lettered?
must you not have letter lettered?
must he not have letter lettered?
must we not have letter lettered?
must you not have letter lettered?
must they not have letter lettered? 	must I not have been letter lettering?
must you not have been letter lettering?
must he not have been letter lettering?
must we not have been letter lettering?
must you not have been letter lettering?
must they not have been letter lettering?