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