could deterge
Verbe régulier : deterge - deterged- deterged

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could deterge
you could deterge
he could deterge
we could deterge
you could deterge
they could deterge 	I could be deterging
you could be deterging
he could be deterging
we could be deterging
you could be deterging
they could be deterging	I could have deterged
you could have deterged
he could have deterged
we could have deterged
you could have deterged
they could have deterged	I could have been deterging
you could have been deterging
he could have been deterging
we could have been deterging
you could have been deterging
they could have been deterging	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could not deterge
you could not deterge
he could not deterge
we could not deterge
you could not deterge
they could not deterge 	I could not be deterging
you could not be deterging
he could not be deterging
we could not be deterging
you could not be deterging
they could not be deterging	I could not have deterged
you could not have deterged
he could not have deterged
we could not have deterged
you could not have deterged
they could not have deterged	I could not have been deterging
you could not have been deterging
he could not have been deterging
we could not have been deterging
you could not have been deterging
they could not have been deterging	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I deterge?
could you deterge?
could he deterge?
could we deterge?
could you deterge?
could they deterge? 	could I be deterging?
could you be deterging?
could he be deterging?
could we be deterging?
could you be deterging?
could they be deterging? 	could I have deterged?
could you have deterged?
could he have deterged?
could we have deterged?
could you have deterged?
could they have deterged? 	could I have been deterging?
could you have been deterging?
could he have been deterging?
could we have been deterging?
could you have been deterging?
could they have been deterging? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I not deterge?
could you not deterge?
could he not deterge?
could we not deterge?
could you not deterge?
could they not deterge? 	could I not be deterging?
could you not be deterging?
could he not be deterging?
could we not be deterging?
could you not be deterging?
could they not be deterging? 	could I not have deterged?
could you not have deterged?
could he not have deterged?
could we not have deterged?
could you not have deterged?
could they not have deterged? 	could I not have been deterging?
could you not have been deterging?
could he not have been deterging?
could we not have been deterging?
could you not have been deterging?
could they not have been deterging?