could dogfight
Verbe irrégulier : dogfight - dogfought- dogfought

Affirmation 	
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I could dogfight
you could dogfight
he could dogfight
we could dogfight
you could dogfight
they could dogfight 	I could be dogfighting
you could be dogfighting
he could be dogfighting
we could be dogfighting
you could be dogfighting
they could be dogfighting	I could have dogfought
you could have dogfought
he could have dogfought
we could have dogfought
you could have dogfought
they could have dogfought	I could have been dogfighting
you could have been dogfighting
he could have been dogfighting
we could have been dogfighting
you could have been dogfighting
they could have been dogfighting	

Négation 	
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I couldn't dogfight
you couldn't dogfight
he couldn't dogfight
we couldn't dogfight
you couldn't dogfight
they couldn't dogfight 	I couldn't be dogfighting
you couldn't be dogfighting
he couldn't be dogfighting
we couldn't be dogfighting
you couldn't be dogfighting
they couldn't be dogfighting	I couldn't have dogfought
you couldn't have dogfought
he couldn't have dogfought
we couldn't have dogfought
you couldn't have dogfought
they couldn't have dogfought	I couldn't have been dogfighting
you couldn't have been dogfighting
he couldn't have been dogfighting
we couldn't have been dogfighting
you couldn't have been dogfighting
they couldn't have been dogfighting	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I dogfight?
could you dogfight?
could he dogfight?
could we dogfight?
could you dogfight?
could they dogfight? 	could I be dogfighting?
could you be dogfighting?
could he be dogfighting?
could we be dogfighting?
could you be dogfighting?
could they be dogfighting? 	could I have dogfought?
could you have dogfought?
could he have dogfought?
could we have dogfought?
could you have dogfought?
could they have dogfought? 	could I have been dogfighting?
could you have been dogfighting?
could he have been dogfighting?
could we have been dogfighting?
could you have been dogfighting?
could they have been dogfighting? 	

Forme interro-négative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
couldn't I dogfight?
couldn't you dogfight?
couldn't he dogfight?
couldn't we dogfight?
couldn't you dogfight?
couldn't they dogfight? 	couldn't I be dogfighting?
couldn't you be dogfighting?
couldn't he be dogfighting?
couldn't we be dogfighting?
couldn't you be dogfighting?
couldn't they be dogfighting? 	couldn't I have dogfought?
couldn't you have dogfought?
couldn't he have dogfought?
couldn't we have dogfought?
couldn't you have dogfought?
couldn't they have dogfought? 	couldn't I have been dogfighting?
couldn't you have been dogfighting?
couldn't he have been dogfighting?
couldn't we have been dogfighting?
couldn't you have been dogfighting?
couldn't they have been dogfighting?