I can behead you can behead he can behead we can behead you can behead they can behead
V-ing form
I can be beheading you can be beheading he can be beheading we can be beheading you can be beheading they can be beheading
Perfect
I can have beheaded you can have beheaded he can have beheaded we can have beheaded you can have beheaded they can have beheaded
V-ing perfect
I can have been beheading you can have been beheading he can have been beheading we can have been beheading you can have been beheading they can have been beheading
Negation
Simple form
I can't behead you can't behead he can't behead we can't behead you can't behead they can't behead
V-ing form
I can't be beheading you can't be beheading he can't be beheading we can't be beheading you can't be beheading they can't be beheading
Perfect
I can't have beheaded you can't have beheaded he can't have beheaded we can't have beheaded you can't have beheaded they can't have beheaded
V-ing perfect
I can't have been beheading you can't have been beheading he can't have been beheading we can't have been beheading you can't have been beheading they can't have been beheading
Interrogative form
Simple form
can I behead? can you behead? can he behead? can we behead? can you behead? can they behead?
V-ing form
can I be beheading? can you be beheading? can he be beheading? can we be beheading? can you be beheading? can they be beheading?
Perfect
can I have beheaded? can you have beheaded? can he have beheaded? can we have beheaded? can you have beheaded? can they have beheaded?
V-ing perfect
can I have been beheading? can you have been beheading? can he have been beheading? can we have been beheading? can you have been beheading? can they have been beheading?
Interro-negative form
Simple form
can't I behead? can't you behead? can't he behead? can't we behead? can't you behead? can't they behead?
V-ing form
can't I be beheading? can't you be beheading? can't he be beheading? can't we be beheading? can't you be beheading? can't they be beheading?
Perfect
can't I have beheaded? can't you have beheaded? can't he have beheaded? can't we have beheaded? can't you have beheaded? can't they have beheaded?
V-ing perfect
can't I have been beheading? can't you have been beheading? can't he have been beheading? can't we have been beheading? can't you have been beheading? can't they have been beheading?