should impugn
Verbe régulier : impugn - impugned- impugned
Traduction française : contester 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I should impugn
you should impugn
she should impugn
we should impugn
you should impugn
they should impugn 	I should be impugning
you should be impugning
she should be impugning
we should be impugning
you should be impugning
they should be impugning	I should have impugned
you should have impugned
she should have impugned
we should have impugned
you should have impugned
they should have impugned	I should have been impugning
you should have been impugning
she should have been impugning
we should have been impugning
you should have been impugning
they should have been impugning	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I should not impugn
you should not impugn
she should not impugn
we should not impugn
you should not impugn
they should not impugn 	I should not be impugning
you should not be impugning
she should not be impugning
we should not be impugning
you should not be impugning
they should not be impugning	I should not have impugned
you should not have impugned
she should not have impugned
we should not have impugned
you should not have impugned
they should not have impugned	I should not have been impugning
you should not have been impugning
she should not have been impugning
we should not have been impugning
you should not have been impugning
they should not have been impugning	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
should I impugn?
should you impugn?
should she impugn?
should we impugn?
should you impugn?
should they impugn? 	should I be impugning?
should you be impugning?
should she be impugning?
should we be impugning?
should you be impugning?
should they be impugning? 	should I have impugned?
should you have impugned?
should she have impugned?
should we have impugned?
should you have impugned?
should they have impugned? 	should I have been impugning?
should you have been impugning?
should she have been impugning?
should we have been impugning?
should you have been impugning?
should they have been impugning? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
should I not impugn?
should you not impugn?
should she not impugn?
should we not impugn?
should you not impugn?
should they not impugn? 	should I not be impugning?
should you not be impugning?
should she not be impugning?
should we not be impugning?
should you not be impugning?
should they not be impugning? 	should I not have impugned?
should you not have impugned?
should she not have impugned?
should we not have impugned?
should you not have impugned?
should they not have impugned? 	should I not have been impugning?
should you not have been impugning?
should she not have been impugning?
should we not have been impugning?
should you not have been impugning?
should they not have been impugning?