Conjugaison du verbe anglais COULD HALF-MAST

I could half-mast
you could half-mast
she could half-mast
we could half-mast
you could half-mast
they could half-mast

I could be half-masting
you could be half-masting
she could be half-masting
we could be half-masting
you could be half-masting
they could be half-masting

I could have half-masted
you could have half-masted
she could have half-masted
we could have half-masted
you could have half-masted
they could have half-masted

I could have been half-masting
you could have been half-masting
she could have been half-masting
we could have been half-masting
you could have been half-masting
they could have been half-masting

I couldn't half-mast
you couldn't half-mast
she couldn't half-mast
we couldn't half-mast
you couldn't half-mast
they couldn't half-mast

I couldn't be half-masting
you couldn't be half-masting
she couldn't be half-masting
we couldn't be half-masting
you couldn't be half-masting
they couldn't be half-masting

I couldn't have half-masted
you couldn't have half-masted
she couldn't have half-masted
we couldn't have half-masted
you couldn't have half-masted
they couldn't have half-masted

I couldn't have been half-masting
you couldn't have been half-masting
she couldn't have been half-masting
we couldn't have been half-masting
you couldn't have been half-masting
they couldn't have been half-masting

could I half-mast?
could you half-mast?
could she half-mast?
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could you half-mast?
could they half-mast?

could I be half-masting?
could you be half-masting?
could she be half-masting?
could we be half-masting?
could you be half-masting?
could they be half-masting?

could I have half-masted?
could you have half-masted?
could she have half-masted?
could we have half-masted?
could you have half-masted?
could they have half-masted?

could I have been half-masting?
could you have been half-masting?
could she have been half-masting?
could we have been half-masting?
could you have been half-masting?
could they have been half-masting?

couldn't I half-mast?
couldn't you half-mast?
couldn't she half-mast?
couldn't we half-mast?
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couldn't they half-mast?

couldn't I be half-masting?
couldn't you be half-masting?
couldn't she be half-masting?
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couldn't you be half-masting?
couldn't they be half-masting?

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couldn't you have half-masted?
couldn't she have half-masted?
couldn't we have half-masted?
couldn't you have half-masted?
couldn't they have half-masted?

couldn't I have been half-masting?
couldn't you have been half-masting?
couldn't she have been half-masting?
couldn't we have been half-masting?
couldn't you have been half-masting?
couldn't they have been half-masting?