could jar
Verbe régulier : jar - jarred- jarred
Traduction française : grincer - secouer 

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could jar
you could jar
she could jar
we could jar
you could jar
they could jar 	I could be jarring
you could be jarring
she could be jarring
we could be jarring
you could be jarring
they could be jarring	I could have jarred
you could have jarred
she could have jarred
we could have jarred
you could have jarred
they could have jarred	I could have been jarring
you could have been jarring
she could have been jarring
we could have been jarring
you could have been jarring
they could have been jarring	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I couldn't jar
you couldn't jar
she couldn't jar
we couldn't jar
you couldn't jar
they couldn't jar 	I couldn't be jarring
you couldn't be jarring
she couldn't be jarring
we couldn't be jarring
you couldn't be jarring
they couldn't be jarring	I couldn't have jarred
you couldn't have jarred
she couldn't have jarred
we couldn't have jarred
you couldn't have jarred
they couldn't have jarred	I couldn't have been jarring
you couldn't have been jarring
she couldn't have been jarring
we couldn't have been jarring
you couldn't have been jarring
they couldn't have been jarring	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I jar?
could you jar?
could she jar?
could we jar?
could you jar?
could they jar? 	could I be jarring?
could you be jarring?
could she be jarring?
could we be jarring?
could you be jarring?
could they be jarring? 	could I have jarred?
could you have jarred?
could she have jarred?
could we have jarred?
could you have jarred?
could they have jarred? 	could I have been jarring?
could you have been jarring?
could she have been jarring?
could we have been jarring?
could you have been jarring?
could they have been jarring? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
couldn't I jar?
couldn't you jar?
couldn't she jar?
couldn't we jar?
couldn't you jar?
couldn't they jar? 	couldn't I be jarring?
couldn't you be jarring?
couldn't she be jarring?
couldn't we be jarring?
couldn't you be jarring?
couldn't they be jarring? 	couldn't I have jarred?
couldn't you have jarred?
couldn't she have jarred?
couldn't we have jarred?
couldn't you have jarred?
couldn't they have jarred? 	couldn't I have been jarring?
couldn't you have been jarring?
couldn't she have been jarring?
couldn't we have been jarring?
couldn't you have been jarring?
couldn't they have been jarring?