Conjugaison du verbe anglais COULD WHISTLE

I could whistle
you could whistle
she could whistle
we could whistle
you could whistle
they could whistle

I could be whistling
you could be whistling
she could be whistling
we could be whistling
you could be whistling
they could be whistling

I could have whistled
you could have whistled
she could have whistled
we could have whistled
you could have whistled
they could have whistled

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you could have been whistling
she could have been whistling
we could have been whistling
you could have been whistling
they could have been whistling

I could not whistle
you could not whistle
she could not whistle
we could not whistle
you could not whistle
they could not whistle

I could not be whistling
you could not be whistling
she could not be whistling
we could not be whistling
you could not be whistling
they could not be whistling

I could not have whistled
you could not have whistled
she could not have whistled
we could not have whistled
you could not have whistled
they could not have whistled

I could not have been whistling
you could not have been whistling
she could not have been whistling
we could not have been whistling
you could not have been whistling
they could not have been whistling

could I whistle?
could you whistle?
could she whistle?
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could you whistle?
could they whistle?

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could you be whistling?
could she be whistling?
could we be whistling?
could you be whistling?
could they be whistling?

could I have whistled?
could you have whistled?
could she have whistled?
could we have whistled?
could you have whistled?
could they have whistled?

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could you have been whistling?
could she have been whistling?
could we have been whistling?
could you have been whistling?
could they have been whistling?

could I not whistle?
could you not whistle?
could she not whistle?
could we not whistle?
could you not whistle?
could they not whistle?

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could you not be whistling?
could she not be whistling?
could we not be whistling?
could you not be whistling?
could they not be whistling?

could I not have whistled?
could you not have whistled?
could she not have whistled?
could we not have whistled?
could you not have whistled?
could they not have whistled?

could I not have been whistling?
could you not have been whistling?
could she not have been whistling?
could we not have been whistling?
could you not have been whistling?
could they not have been whistling?