must prosper
Verbe régulier : prosper - prospered- prospered
Traduction française : prospérer 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must prosper
you must prosper
she must prosper
we must prosper
you must prosper
they must prosper 	I must be prospering
you must be prospering
she must be prospering
we must be prospering
you must be prospering
they must be prospering	I must have prospered
you must have prospered
she must have prospered
we must have prospered
you must have prospered
they must have prospered	I must have been prospering
you must have been prospering
she must have been prospering
we must have been prospering
you must have been prospering
they must have been prospering	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must not prosper
you must not prosper
she must not prosper
we must not prosper
you must not prosper
they must not prosper 	I must not be prospering
you must not be prospering
she must not be prospering
we must not be prospering
you must not be prospering
they must not be prospering	I must not have prospered
you must not have prospered
she must not have prospered
we must not have prospered
you must not have prospered
they must not have prospered	I must not have been prospering
you must not have been prospering
she must not have been prospering
we must not have been prospering
you must not have been prospering
they must not have been prospering	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I prosper?
must you prosper?
must she prosper?
must we prosper?
must you prosper?
must they prosper? 	must I be prospering?
must you be prospering?
must she be prospering?
must we be prospering?
must you be prospering?
must they be prospering? 	must I have prospered?
must you have prospered?
must she have prospered?
must we have prospered?
must you have prospered?
must they have prospered? 	must I have been prospering?
must you have been prospering?
must she have been prospering?
must we have been prospering?
must you have been prospering?
must they have been prospering? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I not prosper?
must you not prosper?
must she not prosper?
must we not prosper?
must you not prosper?
must they not prosper? 	must I not be prospering?
must you not be prospering?
must she not be prospering?
must we not be prospering?
must you not be prospering?
must they not be prospering? 	must I not have prospered?
must you not have prospered?
must she not have prospered?
must we not have prospered?
must you not have prospered?
must they not have prospered? 	must I not have been prospering?
must you not have been prospering?
must she not have been prospering?
must we not have been prospering?
must you not have been prospering?
must they not have been prospering?