must learn
Verbe irrégulier : learn - learned, learnt- learned, learnt
Traduction française : apprendre 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must learn
you must learn
she must learn
we must learn
you must learn
they must learn 	I must be learning
you must be learning
she must be learning
we must be learning
you must be learning
they must be learning	I must have learned, learnt
you must have learned, learnt
she must have learned, learnt
we must have learned, learnt
you must have learned, learnt
they must have learned, learnt	I must have been learning
you must have been learning
she must have been learning
we must have been learning
you must have been learning
they must have been learning	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must not learn
you must not learn
she must not learn
we must not learn
you must not learn
they must not learn 	I must not be learning
you must not be learning
she must not be learning
we must not be learning
you must not be learning
they must not be learning	I must not have learned, learnt
you must not have learned, learnt
she must not have learned, learnt
we must not have learned, learnt
you must not have learned, learnt
they must not have learned, learnt	I must not have been learning
you must not have been learning
she must not have been learning
we must not have been learning
you must not have been learning
they must not have been learning	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I learn?
must you learn?
must she learn?
must we learn?
must you learn?
must they learn? 	must I be learning?
must you be learning?
must she be learning?
must we be learning?
must you be learning?
must they be learning? 	must I have learned, learnt?
must you have learned, learnt?
must she have learned, learnt?
must we have learned, learnt?
must you have learned, learnt?
must they have learned, learnt? 	must I have been learning?
must you have been learning?
must she have been learning?
must we have been learning?
must you have been learning?
must they have been learning? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I not learn?
must you not learn?
must she not learn?
must we not learn?
must you not learn?
must they not learn? 	must I not be learning?
must you not be learning?
must she not be learning?
must we not be learning?
must you not be learning?
must they not be learning? 	must I not have learned, learnt?
must you not have learned, learnt?
must she not have learned, learnt?
must we not have learned, learnt?
must you not have learned, learnt?
must they not have learned, learnt? 	must I not have been learning?
must you not have been learning?
must she not have been learning?
must we not have been learning?
must you not have been learning?
must they not have been learning?