must disprove
Verbe régulier : disprove - disproved- disproved
Traduction française : prouver la fausseté de 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must disprove
you must disprove
he must disprove
we must disprove
you must disprove
they must disprove 	I must be disproving
you must be disproving
he must be disproving
we must be disproving
you must be disproving
they must be disproving	I must have disproved
you must have disproved
he must have disproved
we must have disproved
you must have disproved
they must have disproved	I must have been disproving
you must have been disproving
he must have been disproving
we must have been disproving
you must have been disproving
they must have been disproving	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must not disprove
you must not disprove
he must not disprove
we must not disprove
you must not disprove
they must not disprove 	I must not be disproving
you must not be disproving
he must not be disproving
we must not be disproving
you must not be disproving
they must not be disproving	I must not have disproved
you must not have disproved
he must not have disproved
we must not have disproved
you must not have disproved
they must not have disproved	I must not have been disproving
you must not have been disproving
he must not have been disproving
we must not have been disproving
you must not have been disproving
they must not have been disproving	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I disprove?
must you disprove?
must he disprove?
must we disprove?
must you disprove?
must they disprove? 	must I be disproving?
must you be disproving?
must he be disproving?
must we be disproving?
must you be disproving?
must they be disproving? 	must I have disproved?
must you have disproved?
must he have disproved?
must we have disproved?
must you have disproved?
must they have disproved? 	must I have been disproving?
must you have been disproving?
must he have been disproving?
must we have been disproving?
must you have been disproving?
must they have been disproving? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I not disprove?
must you not disprove?
must he not disprove?
must we not disprove?
must you not disprove?
must they not disprove? 	must I not be disproving?
must you not be disproving?
must he not be disproving?
must we not be disproving?
must you not be disproving?
must they not be disproving? 	must I not have disproved?
must you not have disproved?
must he not have disproved?
must we not have disproved?
must you not have disproved?
must they not have disproved? 	must I not have been disproving?
must you not have been disproving?
must he not have been disproving?
must we not have been disproving?
must you not have been disproving?
must they not have been disproving?