English verb conjugation COULD EYEWITNESS

Regular verb: eyewitness - eyewitnessed - eyewitnessed

Affirmation

Simple form

I could eyewitness
you could eyewitness
he could eyewitness
we could eyewitness
you could eyewitness
they could eyewitness

V-ing form

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

I could have eyewitnessed
you could have eyewitnessed
he could have eyewitnessed
we could have eyewitnessed
you could have eyewitnessed
they could have eyewitnessed

V-ing perfect

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

Negation

Simple form

I could not eyewitness
you could not eyewitness
he could not eyewitness
we could not eyewitness
you could not eyewitness
they could not eyewitness

V-ing form

I could not be eyewitnessing
you could not be eyewitnessing
he could not be eyewitnessing
we could not be eyewitnessing
you could not be eyewitnessing
they could not be eyewitnessing

Perfect

I could not have eyewitnessed
you could not have eyewitnessed
he could not have eyewitnessed
we could not have eyewitnessed
you could not have eyewitnessed
they could not have eyewitnessed

V-ing perfect

I could not have been eyewitnessing
you could not have been eyewitnessing
he could not have been eyewitnessing
we could not have been eyewitnessing
you could not have been eyewitnessing
they could not have been eyewitnessing

Interrogative form

Simple form

could I eyewitness?
could you eyewitness?
could he eyewitness?
could we eyewitness?
could you eyewitness?
could they eyewitness?

V-ing form

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

could I have eyewitnessed?
could you have eyewitnessed?
could he have eyewitnessed?
could we have eyewitnessed?
could you have eyewitnessed?
could they have eyewitnessed?

V-ing perfect

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?

Interro-negative form

Simple form

could I not eyewitness?
could you not eyewitness?
could he not eyewitness?
could we not eyewitness?
could you not eyewitness?
could they not eyewitness?

V-ing form

could I not be eyewitnessing?
could you not be eyewitnessing?
could he not be eyewitnessing?
could we not be eyewitnessing?
could you not be eyewitnessing?
could they not be eyewitnessing?

Perfect

could I not have eyewitnessed?
could you not have eyewitnessed?
could he not have eyewitnessed?
could we not have eyewitnessed?
could you not have eyewitnessed?
could they not have eyewitnessed?

V-ing perfect

could I not have been eyewitnessing?
could you not have been eyewitnessing?
could he not have been eyewitnessing?
could we not have been eyewitnessing?
could you not have been eyewitnessing?
could they not have been eyewitnessing?

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