must play-act
Verbe régulier : play-act - play-acted- play-acted
Traduction française : jouer la comédie - faire du théâtre 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must play-act
you must play-act
she must play-act
we must play-act
you must play-act
they must play-act 	I must be play-acting
you must be play-acting
she must be play-acting
we must be play-acting
you must be play-acting
they must be play-acting	I must have play-acted
you must have play-acted
she must have play-acted
we must have play-acted
you must have play-acted
they must have play-acted	I must have been play-acting
you must have been play-acting
she must have been play-acting
we must have been play-acting
you must have been play-acting
they must have been play-acting	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must not play-act
you must not play-act
she must not play-act
we must not play-act
you must not play-act
they must not play-act 	I must not be play-acting
you must not be play-acting
she must not be play-acting
we must not be play-acting
you must not be play-acting
they must not be play-acting	I must not have play-acted
you must not have play-acted
she must not have play-acted
we must not have play-acted
you must not have play-acted
they must not have play-acted	I must not have been play-acting
you must not have been play-acting
she must not have been play-acting
we must not have been play-acting
you must not have been play-acting
they must not have been play-acting	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I play-act?
must you play-act?
must she play-act?
must we play-act?
must you play-act?
must they play-act? 	must I be play-acting?
must you be play-acting?
must she be play-acting?
must we be play-acting?
must you be play-acting?
must they be play-acting? 	must I have play-acted?
must you have play-acted?
must she have play-acted?
must we have play-acted?
must you have play-acted?
must they have play-acted? 	must I have been play-acting?
must you have been play-acting?
must she have been play-acting?
must we have been play-acting?
must you have been play-acting?
must they have been play-acting? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I not play-act?
must you not play-act?
must she not play-act?
must we not play-act?
must you not play-act?
must they not play-act? 	must I not be play-acting?
must you not be play-acting?
must she not be play-acting?
must we not be play-acting?
must you not be play-acting?
must they not be play-acting? 	must I not have play-acted?
must you not have play-acted?
must she not have play-acted?
must we not have play-acted?
must you not have play-acted?
must they not have play-acted? 	must I not have been play-acting?
must you not have been play-acting?
must she not have been play-acting?
must we not have been play-acting?
must you not have been play-acting?
must they not have been play-acting?