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

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

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

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

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
must I not gnash?
must you not gnash?
must he not gnash?
must we not gnash?
must you not gnash?
must they not gnash? 	must I not be gnashing?
must you not be gnashing?
must he not be gnashing?
must we not be gnashing?
must you not be gnashing?
must they not be gnashing? 	must I not have gnashed?
must you not have gnashed?
must he not have gnashed?
must we not have gnashed?
must you not have gnashed?
must they not have gnashed? 	must I not have been gnashing?
must you not have been gnashing?
must he not have been gnashing?
must we not have been gnashing?
must you not have been gnashing?
must they not have been gnashing?