could nullify
Verbe régulier : nullify - nullified- nullified
Traduction française : annuler - neutraliser 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could nullify
you could nullify
she could nullify
we could nullify
you could nullify
they could nullify 	I could be nullifying
you could be nullifying
she could be nullifying
we could be nullifying
you could be nullifying
they could be nullifying	I could have nullified
you could have nullified
she could have nullified
we could have nullified
you could have nullified
they could have nullified	I could have been nullifying
you could have been nullifying
she could have been nullifying
we could have been nullifying
you could have been nullifying
they could have been nullifying	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I couldn't nullify
you couldn't nullify
she couldn't nullify
we couldn't nullify
you couldn't nullify
they couldn't nullify 	I couldn't be nullifying
you couldn't be nullifying
she couldn't be nullifying
we couldn't be nullifying
you couldn't be nullifying
they couldn't be nullifying	I couldn't have nullified
you couldn't have nullified
she couldn't have nullified
we couldn't have nullified
you couldn't have nullified
they couldn't have nullified	I couldn't have been nullifying
you couldn't have been nullifying
she couldn't have been nullifying
we couldn't have been nullifying
you couldn't have been nullifying
they couldn't have been nullifying	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I nullify?
could you nullify?
could she nullify?
could we nullify?
could you nullify?
could they nullify? 	could I be nullifying?
could you be nullifying?
could she be nullifying?
could we be nullifying?
could you be nullifying?
could they be nullifying? 	could I have nullified?
could you have nullified?
could she have nullified?
could we have nullified?
could you have nullified?
could they have nullified? 	could I have been nullifying?
could you have been nullifying?
could she have been nullifying?
could we have been nullifying?
could you have been nullifying?
could they have been nullifying? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
couldn't I nullify?
couldn't you nullify?
couldn't she nullify?
couldn't we nullify?
couldn't you nullify?
couldn't they nullify? 	couldn't I be nullifying?
couldn't you be nullifying?
couldn't she be nullifying?
couldn't we be nullifying?
couldn't you be nullifying?
couldn't they be nullifying? 	couldn't I have nullified?
couldn't you have nullified?
couldn't she have nullified?
couldn't we have nullified?
couldn't you have nullified?
couldn't they have nullified? 	couldn't I have been nullifying?
couldn't you have been nullifying?
couldn't she have been nullifying?
couldn't we have been nullifying?
couldn't you have been nullifying?
couldn't they have been nullifying?