could eyewitness
Verbe régulier : eyewitness - eyewitnessed- eyewitnessed

Affirmation 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
I could eyewitness
you could eyewitness
she could eyewitness
we could eyewitness
you could eyewitness
they could eyewitness 	I could be eyewitnessing
you could be eyewitnessing
she could be eyewitnessing
we could be eyewitnessing
you could be eyewitnessing
they could be eyewitnessing	I could have eyewitnessed
you could have eyewitnessed
she 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
she 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 	Perfect 	Perfect en V-ing 	
I could not eyewitness
you could not eyewitness
she could not eyewitness
we could not eyewitness
you could not eyewitness
they could not eyewitness 	I could not be eyewitnessing
you could not be eyewitnessing
she could not be eyewitnessing
we could not be eyewitnessing
you could not be eyewitnessing
they could not be eyewitnessing	I could not have eyewitnessed
you could not have eyewitnessed
she could not have eyewitnessed
we could not have eyewitnessed
you could not have eyewitnessed
they could not have eyewitnessed	I could not have been eyewitnessing
you could not have been eyewitnessing
she could not have been eyewitnessing
we could not have been eyewitnessing
you could not have been eyewitnessing
they could not have been eyewitnessing	

Forme interrogative 	
Forme simple 	Forme en V-ing 	Perfect 	Perfect en V-ing 	
could I eyewitness?
could you eyewitness?
could she eyewitness?
could we eyewitness?
could you eyewitness?
could they eyewitness? 	could I be eyewitnessing?
could you be eyewitnessing?
could she be eyewitnessing?
could we be eyewitnessing?
could you be eyewitnessing?
could they be eyewitnessing? 	could I have eyewitnessed?
could you have eyewitnessed?
could she 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 she 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 	Perfect 	Perfect en V-ing 	
could I not eyewitness?
could you not eyewitness?
could she not eyewitness?
could we not eyewitness?
could you not eyewitness?
could they not eyewitness? 	could I not be eyewitnessing?
could you not be eyewitnessing?
could she not be eyewitnessing?
could we not be eyewitnessing?
could you not be eyewitnessing?
could they not be eyewitnessing? 	could I not have eyewitnessed?
could you not have eyewitnessed?
could she not have eyewitnessed?
could we not have eyewitnessed?
could you not have eyewitnessed?
could they not have eyewitnessed? 	could I not have been eyewitnessing?
could you not have been eyewitnessing?
could she not have been eyewitnessing?
could we not have been eyewitnessing?
could you not have been eyewitnessing?
could they not have been eyewitnessing?