could quill
Verbe régulier : quill - quilled- quilled

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could quill
you could quill
she could quill
we could quill
you could quill
they could quill 	I could be quilling
you could be quilling
she could be quilling
we could be quilling
you could be quilling
they could be quilling	I could have quilled
you could have quilled
she could have quilled
we could have quilled
you could have quilled
they could have quilled	I could have been quilling
you could have been quilling
she could have been quilling
we could have been quilling
you could have been quilling
they could have been quilling	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I couldn't quill
you couldn't quill
she couldn't quill
we couldn't quill
you couldn't quill
they couldn't quill 	I couldn't be quilling
you couldn't be quilling
she couldn't be quilling
we couldn't be quilling
you couldn't be quilling
they couldn't be quilling	I couldn't have quilled
you couldn't have quilled
she couldn't have quilled
we couldn't have quilled
you couldn't have quilled
they couldn't have quilled	I couldn't have been quilling
you couldn't have been quilling
she couldn't have been quilling
we couldn't have been quilling
you couldn't have been quilling
they couldn't have been quilling	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I quill?
could you quill?
could she quill?
could we quill?
could you quill?
could they quill? 	could I be quilling?
could you be quilling?
could she be quilling?
could we be quilling?
could you be quilling?
could they be quilling? 	could I have quilled?
could you have quilled?
could she have quilled?
could we have quilled?
could you have quilled?
could they have quilled? 	could I have been quilling?
could you have been quilling?
could she have been quilling?
could we have been quilling?
could you have been quilling?
could they have been quilling? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
couldn't I quill?
couldn't you quill?
couldn't she quill?
couldn't we quill?
couldn't you quill?
couldn't they quill? 	couldn't I be quilling?
couldn't you be quilling?
couldn't she be quilling?
couldn't we be quilling?
couldn't you be quilling?
couldn't they be quilling? 	couldn't I have quilled?
couldn't you have quilled?
couldn't she have quilled?
couldn't we have quilled?
couldn't you have quilled?
couldn't they have quilled? 	couldn't I have been quilling?
couldn't you have been quilling?
couldn't she have been quilling?
couldn't we have been quilling?
couldn't you have been quilling?
couldn't they have been quilling?