must letch
Verbe régulier : letch - letched- letched

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must letch
you must letch
he must letch
we must letch
you must letch
they must letch 	I must be letching
you must be letching
he must be letching
we must be letching
you must be letching
they must be letching	I must have letched
you must have letched
he must have letched
we must have letched
you must have letched
they must have letched	I must have been letching
you must have been letching
he must have been letching
we must have been letching
you must have been letching
they must have been letching	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must not letch
you must not letch
he must not letch
we must not letch
you must not letch
they must not letch 	I must not be letching
you must not be letching
he must not be letching
we must not be letching
you must not be letching
they must not be letching	I must not have letched
you must not have letched
he must not have letched
we must not have letched
you must not have letched
they must not have letched	I must not have been letching
you must not have been letching
he must not have been letching
we must not have been letching
you must not have been letching
they must not have been letching	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I letch?
must you letch?
must he letch?
must we letch?
must you letch?
must they letch? 	must I be letching?
must you be letching?
must he be letching?
must we be letching?
must you be letching?
must they be letching? 	must I have letched?
must you have letched?
must he have letched?
must we have letched?
must you have letched?
must they have letched? 	must I have been letching?
must you have been letching?
must he have been letching?
must we have been letching?
must you have been letching?
must they have been letching? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I not letch?
must you not letch?
must he not letch?
must we not letch?
must you not letch?
must they not letch? 	must I not be letching?
must you not be letching?
must he not be letching?
must we not be letching?
must you not be letching?
must they not be letching? 	must I not have letched?
must you not have letched?
must he not have letched?
must we not have letched?
must you not have letched?
must they not have letched? 	must I not have been letching?
must you not have been letching?
must he not have been letching?
must we not have been letching?
must you not have been letching?
must they not have been letching?