could regraft
Verbe régulier : regraft - regrafted- regrafted

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could regraft
you could regraft
she could regraft
we could regraft
you could regraft
they could regraft 	I could be regrafting
you could be regrafting
she could be regrafting
we could be regrafting
you could be regrafting
they could be regrafting	I could have regrafted
you could have regrafted
she could have regrafted
we could have regrafted
you could have regrafted
they could have regrafted	I could have been regrafting
you could have been regrafting
she could have been regrafting
we could have been regrafting
you could have been regrafting
they could have been regrafting	

Négation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I couldn't regraft
you couldn't regraft
she couldn't regraft
we couldn't regraft
you couldn't regraft
they couldn't regraft 	I couldn't be regrafting
you couldn't be regrafting
she couldn't be regrafting
we couldn't be regrafting
you couldn't be regrafting
they couldn't be regrafting	I couldn't have regrafted
you couldn't have regrafted
she couldn't have regrafted
we couldn't have regrafted
you couldn't have regrafted
they couldn't have regrafted	I couldn't have been regrafting
you couldn't have been regrafting
she couldn't have been regrafting
we couldn't have been regrafting
you couldn't have been regrafting
they couldn't have been regrafting	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I regraft?
could you regraft?
could she regraft?
could we regraft?
could you regraft?
could they regraft? 	could I be regrafting?
could you be regrafting?
could she be regrafting?
could we be regrafting?
could you be regrafting?
could they be regrafting? 	could I have regrafted?
could you have regrafted?
could she have regrafted?
could we have regrafted?
could you have regrafted?
could they have regrafted? 	could I have been regrafting?
could you have been regrafting?
could she have been regrafting?
could we have been regrafting?
could you have been regrafting?
could they have been regrafting? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
couldn't I regraft?
couldn't you regraft?
couldn't she regraft?
couldn't we regraft?
couldn't you regraft?
couldn't they regraft? 	couldn't I be regrafting?
couldn't you be regrafting?
couldn't she be regrafting?
couldn't we be regrafting?
couldn't you be regrafting?
couldn't they be regrafting? 	couldn't I have regrafted?
couldn't you have regrafted?
couldn't she have regrafted?
couldn't we have regrafted?
couldn't you have regrafted?
couldn't they have regrafted? 	couldn't I have been regrafting?
couldn't you have been regrafting?
couldn't she have been regrafting?
couldn't we have been regrafting?
couldn't you have been regrafting?
couldn't they have been regrafting?