must train
Verbe régulier : train - trained- trained
Traduction française : former - recevoir une formation 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must train
you must train
he must train
we must train
you must train
they must train 	I must be training
you must be training
he must be training
we must be training
you must be training
they must be training	I must have trained
you must have trained
he must have trained
we must have trained
you must have trained
they must have trained	I must have been training
you must have been training
he must have been training
we must have been training
you must have been training
they must have been training	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must not train
you must not train
he must not train
we must not train
you must not train
they must not train 	I must not be training
you must not be training
he must not be training
we must not be training
you must not be training
they must not be training	I must not have trained
you must not have trained
he must not have trained
we must not have trained
you must not have trained
they must not have trained	I must not have been training
you must not have been training
he must not have been training
we must not have been training
you must not have been training
they must not have been training	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I train?
must you train?
must he train?
must we train?
must you train?
must they train? 	must I be training?
must you be training?
must he be training?
must we be training?
must you be training?
must they be training? 	must I have trained?
must you have trained?
must he have trained?
must we have trained?
must you have trained?
must they have trained? 	must I have been training?
must you have been training?
must he have been training?
must we have been training?
must you have been training?
must they have been training? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I not train?
must you not train?
must he not train?
must we not train?
must you not train?
must they not train? 	must I not be training?
must you not be training?
must he not be training?
must we not be training?
must you not be training?
must they not be training? 	must I not have trained?
must you not have trained?
must he not have trained?
must we not have trained?
must you not have trained?
must they not have trained? 	must I not have been training?
must you not have been training?
must he not have been training?
must we not have been training?
must you not have been training?
must they not have been training?