Conjugaison du verbe anglais
COULD EYEWITNESS

Verbe régulier : eyewitness - eyewitnessed - eyewitnessed

Affirmation

Forme simple	Forme en V-ing
I could eyewitness you could eyewitness he could eyewitness we could eyewitness you could eyewitness they could eyewitness	I could be eyewitnessing you could be eyewitnessing he could be eyewitnessing we could be eyewitnessing you could be eyewitnessing they could be eyewitnessing
Perfect	Perfect en V-ing
I could have eyewitnessed you could have eyewitnessed he could have eyewitnessed we could have eyewitnessed you could have eyewitnessed they could have eyewitnessed	I could have been eyewitnessing you could have been eyewitnessing he could have been eyewitnessing we could have been eyewitnessing you could have been eyewitnessing they could have been eyewitnessing

Négation

Forme simple	Forme en V-ing
I couldn't eyewitness you couldn't eyewitness he couldn't eyewitness we couldn't eyewitness you couldn't eyewitness they couldn't eyewitness	I couldn't be eyewitnessing you couldn't be eyewitnessing he couldn't be eyewitnessing we couldn't be eyewitnessing you couldn't be eyewitnessing they couldn't be eyewitnessing
Perfect	Perfect en V-ing
I couldn't have eyewitnessed you couldn't have eyewitnessed he couldn't have eyewitnessed we couldn't have eyewitnessed you couldn't have eyewitnessed they couldn't have eyewitnessed	I couldn't have been eyewitnessing you couldn't have been eyewitnessing he couldn't have been eyewitnessing we couldn't have been eyewitnessing you couldn't have been eyewitnessing they couldn't have been eyewitnessing

Forme interrogative

Forme simple	Forme en V-ing
could I eyewitness? could you eyewitness? could he eyewitness? could we eyewitness? could you eyewitness? could they eyewitness?	could I be eyewitnessing? could you be eyewitnessing? could he be eyewitnessing? could we be eyewitnessing? could you be eyewitnessing? could they be eyewitnessing?
Perfect	Perfect en V-ing
could I have eyewitnessed? could you have eyewitnessed? could he have eyewitnessed? could we have eyewitnessed? could you have eyewitnessed? could they have eyewitnessed?	could I have been eyewitnessing? could you have been eyewitnessing? could he have been eyewitnessing? could we have been eyewitnessing? could you have been eyewitnessing? could they have been eyewitnessing?

Forme interro-négative

Forme simple	Forme en V-ing
couldn't I eyewitness? couldn't you eyewitness? couldn't he eyewitness? couldn't we eyewitness? couldn't you eyewitness? couldn't they eyewitness?	couldn't I be eyewitnessing? couldn't you be eyewitnessing? couldn't he be eyewitnessing? couldn't we be eyewitnessing? couldn't you be eyewitnessing? couldn't they be eyewitnessing?
Perfect	Perfect en V-ing
couldn't I have eyewitnessed? couldn't you have eyewitnessed? couldn't he have eyewitnessed? couldn't we have eyewitnessed? couldn't you have eyewitnessed? couldn't they have eyewitnessed?	couldn't I have been eyewitnessing? couldn't you have been eyewitnessing? couldn't he have been eyewitnessing? couldn't we have been eyewitnessing? couldn't you have been eyewitnessing? couldn't they have been eyewitnessing?