I could honk you could honk she could honk we could honk you could honk they could honk
V-ing form
I could be honking you could be honking she could be honking we could be honking you could be honking they could be honking
Perfect
I could have honked you could have honked she could have honked we could have honked you could have honked they could have honked
V-ing perfect
I could have been honking you could have been honking she could have been honking we could have been honking you could have been honking they could have been honking
Negation
Simple form
I could not honk you could not honk she could not honk we could not honk you could not honk they could not honk
V-ing form
I could not be honking you could not be honking she could not be honking we could not be honking you could not be honking they could not be honking
Perfect
I could not have honked you could not have honked she could not have honked we could not have honked you could not have honked they could not have honked
V-ing perfect
I could not have been honking you could not have been honking she could not have been honking we could not have been honking you could not have been honking they could not have been honking
Interrogative form
Simple form
could I honk? could you honk? could she honk? could we honk? could you honk? could they honk?
V-ing form
could I be honking? could you be honking? could she be honking? could we be honking? could you be honking? could they be honking?
Perfect
could I have honked? could you have honked? could she have honked? could we have honked? could you have honked? could they have honked?
V-ing perfect
could I have been honking? could you have been honking? could she have been honking? could we have been honking? could you have been honking? could they have been honking?
Interro-negative form
Simple form
could I not honk? could you not honk? could she not honk? could we not honk? could you not honk? could they not honk?
V-ing form
could I not be honking? could you not be honking? could she not be honking? could we not be honking? could you not be honking? could they not be honking?
Perfect
could I not have honked? could you not have honked? could she not have honked? could we not have honked? could you not have honked? could they not have honked?
V-ing perfect
could I not have been honking? could you not have been honking? could she not have been honking? could we not have been honking? could you not have been honking? could they not have been honking?