I can sucker you can sucker he can sucker we can sucker you can sucker they can sucker
V-ing form
I can be suckering you can be suckering he can be suckering we can be suckering you can be suckering they can be suckering
Perfect
I can have suckered you can have suckered he 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 he can have been suckering we can have been suckering you can have been suckering they can have been suckering
Negation
Simple form
I cannot sucker you cannot sucker he cannot sucker we cannot sucker you cannot sucker they cannot sucker
V-ing form
I cannot be suckering you cannot be suckering he cannot be suckering we cannot be suckering you cannot be suckering they cannot be suckering
Perfect
I cannot have suckered you cannot have suckered he cannot have suckered we cannot have suckered you cannot have suckered they cannot have suckered
V-ing perfect
I cannot have been suckering you cannot have been suckering he cannot have been suckering we cannot have been suckering you cannot have been suckering they cannot have been suckering
Interrogative form
Simple form
can I sucker? can you sucker? can he sucker? can we sucker? can you sucker? can they sucker?
V-ing form
can I be suckering? can you be suckering? can he be suckering? can we be suckering? can you be suckering? can they be suckering?
Perfect
can I have suckered? can you have suckered? can he 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 he have been suckering? can we have been suckering? can you have been suckering? can they have been suckering?
Interro-negative form
Simple form
can I not sucker? can you not sucker? can he not sucker? can we not sucker? can you not sucker? can they not sucker?
V-ing form
can I not be suckering? can you not be suckering? can he not be suckering? can we not be suckering? can you not be suckering? can they not be suckering?
Perfect
can I not have suckered? can you not have suckered? can he not have suckered? can we not have suckered? can you not have suckered? can they not have suckered?
V-ing perfect
can I not have been suckering? can you not have been suckering? can he not have been suckering? can we not have been suckering? can you not have been suckering? can they not have been suckering?