I can sucker you can sucker she can sucker we can sucker you can sucker they can sucker
V-ing form
I can be suckering you can be suckering she can be suckering we can be suckering you can be suckering they can be suckering
Perfect
I can have suckered you can have suckered she can have suckered we can have suckered you can have suckered they can have suckered
V-ing perfect
I can have been suckering you can have been suckering she can have been suckering we can have been suckering you can have been suckering they can have been suckering
Negation
Simple form
I can't sucker you can't sucker she can't sucker we can't sucker you can't sucker they can't sucker
V-ing form
I can't be suckering you can't be suckering she can't be suckering we can't be suckering you can't be suckering they can't be suckering
Perfect
I can't have suckered you can't have suckered she can't have suckered we can't have suckered you can't have suckered they can't have suckered
V-ing perfect
I can't have been suckering you can't have been suckering she can't have been suckering we can't have been suckering you can't have been suckering they can't have been suckering
Interrogative form
Simple form
can I sucker? can you sucker? can she sucker? can we sucker? can you sucker? can they sucker?
V-ing form
can I be suckering? can you be suckering? can she be suckering? can we be suckering? can you be suckering? can they be suckering?
Perfect
can I have suckered? can you have suckered? can she have suckered? can we have suckered? can you have suckered? can they have suckered?
V-ing perfect
can I have been suckering? can you have been suckering? can she have been suckering? can we have been suckering? can you have been suckering? can they have been suckering?
Interro-negative form
Simple form
can't I sucker? can't you sucker? can't she sucker? can't we sucker? can't you sucker? can't they sucker?
V-ing form
can't I be suckering? can't you be suckering? can't she be suckering? can't we be suckering? can't you be suckering? can't they be suckering?
Perfect
can't I have suckered? can't you have suckered? can't she have suckered? can't we have suckered? can't you have suckered? can't they have suckered?
V-ing perfect
can't I have been suckering? can't you have been suckering? can't she have been suckering? can't we have been suckering? can't you have been suckering? can't they have been suckering?