must oppugn
Verbe régulier : oppugn - oppugned- oppugned

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must oppugn
you must oppugn
she must oppugn
we must oppugn
you must oppugn
they must oppugn 	I must be oppugning
you must be oppugning
she must be oppugning
we must be oppugning
you must be oppugning
they must be oppugning	I must have oppugned
you must have oppugned
she must have oppugned
we must have oppugned
you must have oppugned
they must have oppugned	I must have been oppugning
you must have been oppugning
she must have been oppugning
we must have been oppugning
you must have been oppugning
they must have been oppugning	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I must not oppugn
you must not oppugn
she must not oppugn
we must not oppugn
you must not oppugn
they must not oppugn 	I must not be oppugning
you must not be oppugning
she must not be oppugning
we must not be oppugning
you must not be oppugning
they must not be oppugning	I must not have oppugned
you must not have oppugned
she must not have oppugned
we must not have oppugned
you must not have oppugned
they must not have oppugned	I must not have been oppugning
you must not have been oppugning
she must not have been oppugning
we must not have been oppugning
you must not have been oppugning
they must not have been oppugning	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I oppugn?
must you oppugn?
must she oppugn?
must we oppugn?
must you oppugn?
must they oppugn? 	must I be oppugning?
must you be oppugning?
must she be oppugning?
must we be oppugning?
must you be oppugning?
must they be oppugning? 	must I have oppugned?
must you have oppugned?
must she have oppugned?
must we have oppugned?
must you have oppugned?
must they have oppugned? 	must I have been oppugning?
must you have been oppugning?
must she have been oppugning?
must we have been oppugning?
must you have been oppugning?
must they have been oppugning? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I not oppugn?
must you not oppugn?
must she not oppugn?
must we not oppugn?
must you not oppugn?
must they not oppugn? 	must I not be oppugning?
must you not be oppugning?
must she not be oppugning?
must we not be oppugning?
must you not be oppugning?
must they not be oppugning? 	must I not have oppugned?
must you not have oppugned?
must she not have oppugned?
must we not have oppugned?
must you not have oppugned?
must they not have oppugned? 	must I not have been oppugning?
must you not have been oppugning?
must she not have been oppugning?
must we not have been oppugning?
must you not have been oppugning?
must they not have been oppugning?