Conjugaison du verbe anglais
COULD BUTTERFLY

Verbe régulier : butterfly - butterflied - butterflied

Affirmation

Forme simple	Forme en V-ing
I could butterfly you could butterfly she could butterfly we could butterfly you could butterfly they could butterfly	I could be butterflying you could be butterflying she could be butterflying we could be butterflying you could be butterflying they could be butterflying
Perfect	Perfect en V-ing
I could have butterflied you could have butterflied she could have butterflied we could have butterflied you could have butterflied they could have butterflied	I could have been butterflying you could have been butterflying she could have been butterflying we could have been butterflying you could have been butterflying they could have been butterflying

Négation

Forme simple	Forme en V-ing
I could not butterfly you could not butterfly she could not butterfly we could not butterfly you could not butterfly they could not butterfly	I could not be butterflying you could not be butterflying she could not be butterflying we could not be butterflying you could not be butterflying they could not be butterflying
Perfect	Perfect en V-ing
I could not have butterflied you could not have butterflied she could not have butterflied we could not have butterflied you could not have butterflied they could not have butterflied	I could not have been butterflying you could not have been butterflying she could not have been butterflying we could not have been butterflying you could not have been butterflying they could not have been butterflying

Forme interrogative

Forme simple	Forme en V-ing
could I butterfly? could you butterfly? could she butterfly? could we butterfly? could you butterfly? could they butterfly?	could I be butterflying? could you be butterflying? could she be butterflying? could we be butterflying? could you be butterflying? could they be butterflying?
Perfect	Perfect en V-ing
could I have butterflied? could you have butterflied? could she have butterflied? could we have butterflied? could you have butterflied? could they have butterflied?	could I have been butterflying? could you have been butterflying? could she have been butterflying? could we have been butterflying? could you have been butterflying? could they have been butterflying?

Forme interro-négative

Forme simple	Forme en V-ing
could I not butterfly? could you not butterfly? could she not butterfly? could we not butterfly? could you not butterfly? could they not butterfly?	could I not be butterflying? could you not be butterflying? could she not be butterflying? could we not be butterflying? could you not be butterflying? could they not be butterflying?
Perfect	Perfect en V-ing
could I not have butterflied? could you not have butterflied? could she not have butterflied? could we not have butterflied? could you not have butterflied? could they not have butterflied?	could I not have been butterflying? could you not have been butterflying? could she not have been butterflying? could we not have been butterflying? could you not have been butterflying? could they not have been butterflying?