Conjugaison du verbe anglais COULD HELLO

I could hello
you could hello
he could hello
we could hello
you could hello
they could hello

I could be helloing
you could be helloing
he could be helloing
we could be helloing
you could be helloing
they could be helloing

I could have helloed
you could have helloed
he could have helloed
we could have helloed
you could have helloed
they could have helloed

I could have been helloing
you could have been helloing
he could have been helloing
we could have been helloing
you could have been helloing
they could have been helloing

I could not hello
you could not hello
he could not hello
we could not hello
you could not hello
they could not hello

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

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

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

could I hello?
could you hello?
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could they hello?

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could they be helloing?

could I have helloed?
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could they have helloed?

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could I not hello?
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could they not hello?

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could he not be helloing?
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could they not be helloing?

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could we not have helloed?
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could they not have helloed?

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could we not have been helloing?
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