must lace
Verbe régulier : lace - laced- laced
Traduction française : lacer - mettre des lacets à 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must lace
you must lace
she must lace
we must lace
you must lace
they must lace 	I must be lacing
you must be lacing
she must be lacing
we must be lacing
you must be lacing
they must be lacing	I must have laced
you must have laced
she must have laced
we must have laced
you must have laced
they must have laced	I must have been lacing
you must have been lacing
she must have been lacing
we must have been lacing
you must have been lacing
they must have been lacing	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must not lace
you must not lace
she must not lace
we must not lace
you must not lace
they must not lace 	I must not be lacing
you must not be lacing
she must not be lacing
we must not be lacing
you must not be lacing
they must not be lacing	I must not have laced
you must not have laced
she must not have laced
we must not have laced
you must not have laced
they must not have laced	I must not have been lacing
you must not have been lacing
she must not have been lacing
we must not have been lacing
you must not have been lacing
they must not have been lacing	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I lace?
must you lace?
must she lace?
must we lace?
must you lace?
must they lace? 	must I be lacing?
must you be lacing?
must she be lacing?
must we be lacing?
must you be lacing?
must they be lacing? 	must I have laced?
must you have laced?
must she have laced?
must we have laced?
must you have laced?
must they have laced? 	must I have been lacing?
must you have been lacing?
must she have been lacing?
must we have been lacing?
must you have been lacing?
must they have been lacing? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I not lace?
must you not lace?
must she not lace?
must we not lace?
must you not lace?
must they not lace? 	must I not be lacing?
must you not be lacing?
must she not be lacing?
must we not be lacing?
must you not be lacing?
must they not be lacing? 	must I not have laced?
must you not have laced?
must she not have laced?
must we not have laced?
must you not have laced?
must they not have laced? 	must I not have been lacing?
must you not have been lacing?
must she not have been lacing?
must we not have been lacing?
must you not have been lacing?
must they not have been lacing?