must intrench
Verbe régulier : intrench - intrenched- intrenched

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must intrench
you must intrench
he must intrench
we must intrench
you must intrench
they must intrench 	I must be intrenching
you must be intrenching
he must be intrenching
we must be intrenching
you must be intrenching
they must be intrenching	I must have intrenched
you must have intrenched
he must have intrenched
we must have intrenched
you must have intrenched
they must have intrenched	I must have been intrenching
you must have been intrenching
he must have been intrenching
we must have been intrenching
you must have been intrenching
they must have been intrenching	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I mustn't intrench
you mustn't intrench
he mustn't intrench
we mustn't intrench
you mustn't intrench
they mustn't intrench 	I mustn't be intrenching
you mustn't be intrenching
he mustn't be intrenching
we mustn't be intrenching
you mustn't be intrenching
they mustn't be intrenching	I mustn't have intrenched
you mustn't have intrenched
he mustn't have intrenched
we mustn't have intrenched
you mustn't have intrenched
they mustn't have intrenched	I mustn't have been intrenching
you mustn't have been intrenching
he mustn't have been intrenching
we mustn't have been intrenching
you mustn't have been intrenching
they mustn't have been intrenching	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I intrench?
must you intrench?
must he intrench?
must we intrench?
must you intrench?
must they intrench? 	must I be intrenching?
must you be intrenching?
must he be intrenching?
must we be intrenching?
must you be intrenching?
must they be intrenching? 	must I have intrenched?
must you have intrenched?
must he have intrenched?
must we have intrenched?
must you have intrenched?
must they have intrenched? 	must I have been intrenching?
must you have been intrenching?
must he have been intrenching?
must we have been intrenching?
must you have been intrenching?
must they have been intrenching? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
mustn't I intrench?
mustn't you intrench?
mustn't he intrench?
mustn't we intrench?
mustn't you intrench?
mustn't they intrench? 	mustn't I be intrenching?
mustn't you be intrenching?
mustn't he be intrenching?
mustn't we be intrenching?
mustn't you be intrenching?
mustn't they be intrenching? 	mustn't I have intrenched?
mustn't you have intrenched?
mustn't he have intrenched?
mustn't we have intrenched?
mustn't you have intrenched?
mustn't they have intrenched? 	mustn't I have been intrenching?
mustn't you have been intrenching?
mustn't he have been intrenching?
mustn't we have been intrenching?
mustn't you have been intrenching?
mustn't they have been intrenching?