I can decapitate you can decapitate he can decapitate we can decapitate you can decapitate they can decapitate
V-ing form
I can be decapitating you can be decapitating he can be decapitating we can be decapitating you can be decapitating they can be decapitating
Perfect
I can have decapitated you can have decapitated he can have decapitated we can have decapitated you can have decapitated they can have decapitated
V-ing perfect
I can have been decapitating you can have been decapitating he can have been decapitating we can have been decapitating you can have been decapitating they can have been decapitating
Negation
Simple form
I can't decapitate you can't decapitate he can't decapitate we can't decapitate you can't decapitate they can't decapitate
V-ing form
I can't be decapitating you can't be decapitating he can't be decapitating we can't be decapitating you can't be decapitating they can't be decapitating
Perfect
I can't have decapitated you can't have decapitated he can't have decapitated we can't have decapitated you can't have decapitated they can't have decapitated
V-ing perfect
I can't have been decapitating you can't have been decapitating he can't have been decapitating we can't have been decapitating you can't have been decapitating they can't have been decapitating
Interrogative form
Simple form
can I decapitate? can you decapitate? can he decapitate? can we decapitate? can you decapitate? can they decapitate?
V-ing form
can I be decapitating? can you be decapitating? can he be decapitating? can we be decapitating? can you be decapitating? can they be decapitating?
Perfect
can I have decapitated? can you have decapitated? can he have decapitated? can we have decapitated? can you have decapitated? can they have decapitated?
V-ing perfect
can I have been decapitating? can you have been decapitating? can he have been decapitating? can we have been decapitating? can you have been decapitating? can they have been decapitating?
Interro-negative form
Simple form
can't I decapitate? can't you decapitate? can't he decapitate? can't we decapitate? can't you decapitate? can't they decapitate?
V-ing form
can't I be decapitating? can't you be decapitating? can't he be decapitating? can't we be decapitating? can't you be decapitating? can't they be decapitating?
Perfect
can't I have decapitated? can't you have decapitated? can't he have decapitated? can't we have decapitated? can't you have decapitated? can't they have decapitated?
V-ing perfect
can't I have been decapitating? can't you have been decapitating? can't he have been decapitating? can't we have been decapitating? can't you have been decapitating? can't they have been decapitating?