I could honor you could honor he could honor we could honor you could honor they could honor
V-ing form
I could be honoring you could be honoring he could be honoring we could be honoring you could be honoring they could be honoring
Perfect
I could have honored you could have honored he could have honored we could have honored you could have honored they could have honored
V-ing perfect
I could have been honoring you could have been honoring he could have been honoring we could have been honoring you could have been honoring they could have been honoring
Negation
Simple form
I could not honor you could not honor he could not honor we could not honor you could not honor they could not honor
V-ing form
I could not be honoring you could not be honoring he could not be honoring we could not be honoring you could not be honoring they could not be honoring
Perfect
I could not have honored you could not have honored he could not have honored we could not have honored you could not have honored they could not have honored
V-ing perfect
I could not have been honoring you could not have been honoring he could not have been honoring we could not have been honoring you could not have been honoring they could not have been honoring
Interrogative form
Simple form
could I honor? could you honor? could he honor? could we honor? could you honor? could they honor?
V-ing form
could I be honoring? could you be honoring? could he be honoring? could we be honoring? could you be honoring? could they be honoring?
Perfect
could I have honored? could you have honored? could he have honored? could we have honored? could you have honored? could they have honored?
V-ing perfect
could I have been honoring? could you have been honoring? could he have been honoring? could we have been honoring? could you have been honoring? could they have been honoring?
Interro-negative form
Simple form
could I not honor? could you not honor? could he not honor? could we not honor? could you not honor? could they not honor?
V-ing form
could I not be honoring? could you not be honoring? could he not be honoring? could we not be honoring? could you not be honoring? could they not be honoring?
Perfect
could I not have honored? could you not have honored? could he not have honored? could we not have honored? could you not have honored? could they not have honored?
V-ing perfect
could I not have been honoring? could you not have been honoring? could he not have been honoring? could we not have been honoring? could you not have been honoring? could they not have been honoring?