I can enable you can enable he can enable we can enable you can enable they can enable
V-ing form
I can be enabling you can be enabling he can be enabling we can be enabling you can be enabling they can be enabling
Perfect
I can have enabled you can have enabled he can have enabled we can have enabled you can have enabled they can have enabled
V-ing perfect
I can have been enabling you can have been enabling he can have been enabling we can have been enabling you can have been enabling they can have been enabling
Negation
Simple form
I can't enable you can't enable he can't enable we can't enable you can't enable they can't enable
V-ing form
I can't be enabling you can't be enabling he can't be enabling we can't be enabling you can't be enabling they can't be enabling
Perfect
I can't have enabled you can't have enabled he can't have enabled we can't have enabled you can't have enabled they can't have enabled
V-ing perfect
I can't have been enabling you can't have been enabling he can't have been enabling we can't have been enabling you can't have been enabling they can't have been enabling
Interrogative form
Simple form
can I enable? can you enable? can he enable? can we enable? can you enable? can they enable?
V-ing form
can I be enabling? can you be enabling? can he be enabling? can we be enabling? can you be enabling? can they be enabling?
Perfect
can I have enabled? can you have enabled? can he have enabled? can we have enabled? can you have enabled? can they have enabled?
V-ing perfect
can I have been enabling? can you have been enabling? can he have been enabling? can we have been enabling? can you have been enabling? can they have been enabling?
Interro-negative form
Simple form
can't I enable? can't you enable? can't he enable? can't we enable? can't you enable? can't they enable?
V-ing form
can't I be enabling? can't you be enabling? can't he be enabling? can't we be enabling? can't you be enabling? can't they be enabling?
Perfect
can't I have enabled? can't you have enabled? can't he have enabled? can't we have enabled? can't you have enabled? can't they have enabled?
V-ing perfect
can't I have been enabling? can't you have been enabling? can't he have been enabling? can't we have been enabling? can't you have been enabling? can't they have been enabling?