English verb conjugation
COULD CLOBBER

Regular verb: clobber - clobbered - clobbered

Affirmation

Simple form	V-ing form
I could clobber you could clobber she could clobber we could clobber you could clobber they could clobber	I could be clobbering you could be clobbering she 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 she 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 she 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 couldn't clobber you couldn't clobber she couldn't clobber we couldn't clobber you couldn't clobber they couldn't clobber	I couldn't be clobbering you couldn't be clobbering she couldn't be clobbering we couldn't be clobbering you couldn't be clobbering they couldn't be clobbering
Perfect	V-ing perfect
I couldn't have clobbered you couldn't have clobbered she couldn't have clobbered we couldn't have clobbered you couldn't have clobbered they couldn't have clobbered	I couldn't have been clobbering you couldn't have been clobbering she couldn't have been clobbering we couldn't have been clobbering you couldn't have been clobbering they couldn't have been clobbering

Interrogative form

Simple form	V-ing form
could I clobber? could you clobber? could she clobber? could we clobber? could you clobber? could they clobber?	could I be clobbering? could you be clobbering? could she 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 she 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 she 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
couldn't I clobber? couldn't you clobber? couldn't she clobber? couldn't we clobber? couldn't you clobber? couldn't they clobber?	couldn't I be clobbering? couldn't you be clobbering? couldn't she be clobbering? couldn't we be clobbering? couldn't you be clobbering? couldn't they be clobbering?
Perfect	V-ing perfect
couldn't I have clobbered? couldn't you have clobbered? couldn't she have clobbered? couldn't we have clobbered? couldn't you have clobbered? couldn't they have clobbered?	couldn't I have been clobbering? couldn't you have been clobbering? couldn't she have been clobbering? couldn't we have been clobbering? couldn't you have been clobbering? couldn't they have been clobbering?