I could slander you could slander she could slander we could slander you could slander they could slander
V-ing form
I could be slandering you could be slandering she could be slandering we could be slandering you could be slandering they could be slandering
Perfect
I could have slandered you could have slandered she could have slandered we could have slandered you could have slandered they could have slandered
V-ing perfect
I could have been slandering you could have been slandering she could have been slandering we could have been slandering you could have been slandering they could have been slandering
Negation
Simple form
I could not slander you could not slander she could not slander we could not slander you could not slander they could not slander
V-ing form
I could not be slandering you could not be slandering she could not be slandering we could not be slandering you could not be slandering they could not be slandering
Perfect
I could not have slandered you could not have slandered she could not have slandered we could not have slandered you could not have slandered they could not have slandered
V-ing perfect
I could not have been slandering you could not have been slandering she could not have been slandering we could not have been slandering you could not have been slandering they could not have been slandering
Interrogative form
Simple form
could I slander? could you slander? could she slander? could we slander? could you slander? could they slander?
V-ing form
could I be slandering? could you be slandering? could she be slandering? could we be slandering? could you be slandering? could they be slandering?
Perfect
could I have slandered? could you have slandered? could she have slandered? could we have slandered? could you have slandered? could they have slandered?
V-ing perfect
could I have been slandering? could you have been slandering? could she have been slandering? could we have been slandering? could you have been slandering? could they have been slandering?
Interro-negative form
Simple form
could I not slander? could you not slander? could she not slander? could we not slander? could you not slander? could they not slander?
V-ing form
could I not be slandering? could you not be slandering? could she not be slandering? could we not be slandering? could you not be slandering? could they not be slandering?
Perfect
could I not have slandered? could you not have slandered? could she not have slandered? could we not have slandered? could you not have slandered? could they not have slandered?
V-ing perfect
could I not have been slandering? could you not have been slandering? could she not have been slandering? could we not have been slandering? could you not have been slandering? could they not have been slandering?