Conjugaison du verbe anglais COULD HALF-MAST

I could half-mast
you could half-mast
he 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
he 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
he 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
he 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
he 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
he 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
he 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
he 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 he half-mast?
could we half-mast?
could you half-mast?
could they half-mast?

could I be half-masting?
could you be half-masting?
could he 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 he 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 he 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 he half-mast?
couldn't we half-mast?
couldn't you half-mast?
couldn't they half-mast?

couldn't I be half-masting?
couldn't you be half-masting?
couldn't he be half-masting?
couldn't we be half-masting?
couldn't you be half-masting?
couldn't they be half-masting?

couldn't I have half-masted?
couldn't you have half-masted?
couldn't he 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 he 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?