I can abut you can abut he can abut we can abut you can abut they can abut
V-ing form
I can be abuting you can be abuting he can be abuting we can be abuting you can be abuting they can be abuting
Perfect
I can have abuted you can have abuted he can have abuted we can have abuted you can have abuted they can have abuted
V-ing perfect
I can have been abuting you can have been abuting he can have been abuting we can have been abuting you can have been abuting they can have been abuting
Negation
Simple form
I can't abut you can't abut he can't abut we can't abut you can't abut they can't abut
V-ing form
I can't be abuting you can't be abuting he can't be abuting we can't be abuting you can't be abuting they can't be abuting
Perfect
I can't have abuted you can't have abuted he can't have abuted we can't have abuted you can't have abuted they can't have abuted
V-ing perfect
I can't have been abuting you can't have been abuting he can't have been abuting we can't have been abuting you can't have been abuting they can't have been abuting
Interrogative form
Simple form
can I abut? can you abut? can he abut? can we abut? can you abut? can they abut?
V-ing form
can I be abuting? can you be abuting? can he be abuting? can we be abuting? can you be abuting? can they be abuting?
Perfect
can I have abuted? can you have abuted? can he have abuted? can we have abuted? can you have abuted? can they have abuted?
V-ing perfect
can I have been abuting? can you have been abuting? can he have been abuting? can we have been abuting? can you have been abuting? can they have been abuting?
Interro-negative form
Simple form
can't I abut? can't you abut? can't he abut? can't we abut? can't you abut? can't they abut?
V-ing form
can't I be abuting? can't you be abuting? can't he be abuting? can't we be abuting? can't you be abuting? can't they be abuting?
Perfect
can't I have abuted? can't you have abuted? can't he have abuted? can't we have abuted? can't you have abuted? can't they have abuted?
V-ing perfect
can't I have been abuting? can't you have been abuting? can't he have been abuting? can't we have been abuting? can't you have been abuting? can't they have been abuting?