English verb conjugation
COULD CLOBBER

Regular verb: clobber - clobbered - clobbered

Affirmation

Simple form	V-ing form
I could clobber you could clobber he could clobber we could clobber you could clobber they could clobber	I could be clobbering you could be clobbering he could be clobbering we could be clobbering you could be clobbering they could be clobbering
Perfect	V-ing perfect
I could have clobbered you could have clobbered he could have clobbered we could have clobbered you could have clobbered they could have clobbered	I could have been clobbering you could have been clobbering he could have been clobbering we could have been clobbering you could have been clobbering they could have been clobbering

Negation

Simple form	V-ing form
I could not clobber you could not clobber he could not clobber we could not clobber you could not clobber they could not clobber	I could not be clobbering you could not be clobbering he could not be clobbering we could not be clobbering you could not be clobbering they could not be clobbering
Perfect	V-ing perfect
I could not have clobbered you could not have clobbered he could not have clobbered we could not have clobbered you could not have clobbered they could not have clobbered	I could not have been clobbering you could not have been clobbering he could not have been clobbering we could not have been clobbering you could not have been clobbering they could not have been clobbering

Interrogative form

Simple form	V-ing form
could I clobber? could you clobber? could he clobber? could we clobber? could you clobber? could they clobber?	could I be clobbering? could you be clobbering? could he be clobbering? could we be clobbering? could you be clobbering? could they be clobbering?
Perfect	V-ing perfect
could I have clobbered? could you have clobbered? could he have clobbered? could we have clobbered? could you have clobbered? could they have clobbered?	could I have been clobbering? could you have been clobbering? could he have been clobbering? could we have been clobbering? could you have been clobbering? could they have been clobbering?

Interro-negative form

Simple form	V-ing form
could I not clobber? could you not clobber? could he not clobber? could we not clobber? could you not clobber? could they not clobber?	could I not be clobbering? could you not be clobbering? could he not be clobbering? could we not be clobbering? could you not be clobbering? could they not be clobbering?
Perfect	V-ing perfect
could I not have clobbered? could you not have clobbered? could he not have clobbered? could we not have clobbered? could you not have clobbered? could they not have clobbered?	could I not have been clobbering? could you not have been clobbering? could he not have been clobbering? could we not have been clobbering? could you not have been clobbering? could they not have been clobbering?