could gnash
Verbe régulier : gnash - gnashed- gnashed
Traduction française : grincer 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could gnash
you could gnash
she could gnash
we could gnash
you could gnash
they could gnash 	I could be gnashing
you could be gnashing
she could be gnashing
we could be gnashing
you could be gnashing
they could be gnashing	I could have gnashed
you could have gnashed
she could have gnashed
we could have gnashed
you could have gnashed
they could have gnashed	I could have been gnashing
you could have been gnashing
she could have been gnashing
we could have been gnashing
you could have been gnashing
they could have been gnashing	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could not gnash
you could not gnash
she could not gnash
we could not gnash
you could not gnash
they could not gnash 	I could not be gnashing
you could not be gnashing
she could not be gnashing
we could not be gnashing
you could not be gnashing
they could not be gnashing	I could not have gnashed
you could not have gnashed
she could not have gnashed
we could not have gnashed
you could not have gnashed
they could not have gnashed	I could not have been gnashing
you could not have been gnashing
she could not have been gnashing
we could not have been gnashing
you could not have been gnashing
they could not have been gnashing	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I gnash?
could you gnash?
could she gnash?
could we gnash?
could you gnash?
could they gnash? 	could I be gnashing?
could you be gnashing?
could she be gnashing?
could we be gnashing?
could you be gnashing?
could they be gnashing? 	could I have gnashed?
could you have gnashed?
could she have gnashed?
could we have gnashed?
could you have gnashed?
could they have gnashed? 	could I have been gnashing?
could you have been gnashing?
could she have been gnashing?
could we have been gnashing?
could you have been gnashing?
could they have been gnashing? 	

Forme interro-négative 	
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could I not gnash?
could you not gnash?
could she not gnash?
could we not gnash?
could you not gnash?
could they not gnash? 	could I not be gnashing?
could you not be gnashing?
could she not be gnashing?
could we not be gnashing?
could you not be gnashing?
could they not be gnashing? 	could I not have gnashed?
could you not have gnashed?
could she not have gnashed?
could we not have gnashed?
could you not have gnashed?
could they not have gnashed? 	could I not have been gnashing?
could you not have been gnashing?
could she not have been gnashing?
could we not have been gnashing?
could you not have been gnashing?
could they not have been gnashing?