I could clamor you could clamor he could clamor we could clamor you could clamor they could clamor
V-ing form
I could be clamoring you could be clamoring he could be clamoring we could be clamoring you could be clamoring they could be clamoring
Perfect
I could have clamored you could have clamored he could have clamored we could have clamored you could have clamored they could have clamored
V-ing perfect
I could have been clamoring you could have been clamoring he could have been clamoring we could have been clamoring you could have been clamoring they could have been clamoring
Negation
Simple form
I could not clamor you could not clamor he could not clamor we could not clamor you could not clamor they could not clamor
V-ing form
I could not be clamoring you could not be clamoring he could not be clamoring we could not be clamoring you could not be clamoring they could not be clamoring
Perfect
I could not have clamored you could not have clamored he could not have clamored we could not have clamored you could not have clamored they could not have clamored
V-ing perfect
I could not have been clamoring you could not have been clamoring he could not have been clamoring we could not have been clamoring you could not have been clamoring they could not have been clamoring
Interrogative form
Simple form
could I clamor? could you clamor? could he clamor? could we clamor? could you clamor? could they clamor?
V-ing form
could I be clamoring? could you be clamoring? could he be clamoring? could we be clamoring? could you be clamoring? could they be clamoring?
Perfect
could I have clamored? could you have clamored? could he have clamored? could we have clamored? could you have clamored? could they have clamored?
V-ing perfect
could I have been clamoring? could you have been clamoring? could he have been clamoring? could we have been clamoring? could you have been clamoring? could they have been clamoring?
Interro-negative form
Simple form
could I not clamor? could you not clamor? could he not clamor? could we not clamor? could you not clamor? could they not clamor?
V-ing form
could I not be clamoring? could you not be clamoring? could he not be clamoring? could we not be clamoring? could you not be clamoring? could they not be clamoring?
Perfect
could I not have clamored? could you not have clamored? could he not have clamored? could we not have clamored? could you not have clamored? could they not have clamored?
V-ing perfect
could I not have been clamoring? could you not have been clamoring? could he not have been clamoring? could we not have been clamoring? could you not have been clamoring? could they not have been clamoring?