could letter letter
Verbe régulier : letter letter - letter lettered- letter lettered

, ce verbe peut ne pas exister, la conjugaison est donnée à titre d'exemple.

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could letter letter
you could letter letter
she could letter letter
we could letter letter
you could letter letter
they could letter letter 	I could be letter lettering
you could be letter lettering
she could be letter lettering
we could be letter lettering
you could be letter lettering
they could be letter lettering	I could have letter lettered
you could have letter lettered
she could have letter lettered
we could have letter lettered
you could have letter lettered
they could have letter lettered	I could have been letter lettering
you could have been letter lettering
she could have been letter lettering
we could have been letter lettering
you could have been letter lettering
they could have been letter lettering	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I couldn't letter letter
you couldn't letter letter
she couldn't letter letter
we couldn't letter letter
you couldn't letter letter
they couldn't letter letter 	I couldn't be letter lettering
you couldn't be letter lettering
she couldn't be letter lettering
we couldn't be letter lettering
you couldn't be letter lettering
they couldn't be letter lettering	I couldn't have letter lettered
you couldn't have letter lettered
she couldn't have letter lettered
we couldn't have letter lettered
you couldn't have letter lettered
they couldn't have letter lettered	I couldn't have been letter lettering
you couldn't have been letter lettering
she couldn't have been letter lettering
we couldn't have been letter lettering
you couldn't have been letter lettering
they couldn't have been letter lettering	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I letter letter?
could you letter letter?
could she letter letter?
could we letter letter?
could you letter letter?
could they letter letter? 	could I be letter lettering?
could you be letter lettering?
could she be letter lettering?
could we be letter lettering?
could you be letter lettering?
could they be letter lettering? 	could I have letter lettered?
could you have letter lettered?
could she have letter lettered?
could we have letter lettered?
could you have letter lettered?
could they have letter lettered? 	could I have been letter lettering?
could you have been letter lettering?
could she have been letter lettering?
could we have been letter lettering?
could you have been letter lettering?
could they have been letter lettering? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
couldn't I letter letter?
couldn't you letter letter?
couldn't she letter letter?
couldn't we letter letter?
couldn't you letter letter?
couldn't they letter letter? 	couldn't I be letter lettering?
couldn't you be letter lettering?
couldn't she be letter lettering?
couldn't we be letter lettering?
couldn't you be letter lettering?
couldn't they be letter lettering? 	couldn't I have letter lettered?
couldn't you have letter lettered?
couldn't she have letter lettered?
couldn't we have letter lettered?
couldn't you have letter lettered?
couldn't they have letter lettered? 	couldn't I have been letter lettering?
couldn't you have been letter lettering?
couldn't she have been letter lettering?
couldn't we have been letter lettering?
couldn't you have been letter lettering?
couldn't they have been letter lettering?