I can bottom you can bottom he can bottom we can bottom you can bottom they can bottom
V-ing form
I can be bottoming you can be bottoming he can be bottoming we can be bottoming you can be bottoming they can be bottoming
Perfect
I can have bottomed you can have bottomed he can have bottomed we can have bottomed you can have bottomed they can have bottomed
V-ing perfect
I can have been bottoming you can have been bottoming he can have been bottoming we can have been bottoming you can have been bottoming they can have been bottoming
Negation
Simple form
I can't bottom you can't bottom he can't bottom we can't bottom you can't bottom they can't bottom
V-ing form
I can't be bottoming you can't be bottoming he can't be bottoming we can't be bottoming you can't be bottoming they can't be bottoming
Perfect
I can't have bottomed you can't have bottomed he can't have bottomed we can't have bottomed you can't have bottomed they can't have bottomed
V-ing perfect
I can't have been bottoming you can't have been bottoming he can't have been bottoming we can't have been bottoming you can't have been bottoming they can't have been bottoming
Interrogative form
Simple form
can I bottom? can you bottom? can he bottom? can we bottom? can you bottom? can they bottom?
V-ing form
can I be bottoming? can you be bottoming? can he be bottoming? can we be bottoming? can you be bottoming? can they be bottoming?
Perfect
can I have bottomed? can you have bottomed? can he have bottomed? can we have bottomed? can you have bottomed? can they have bottomed?
V-ing perfect
can I have been bottoming? can you have been bottoming? can he have been bottoming? can we have been bottoming? can you have been bottoming? can they have been bottoming?
Interro-negative form
Simple form
can't I bottom? can't you bottom? can't he bottom? can't we bottom? can't you bottom? can't they bottom?
V-ing form
can't I be bottoming? can't you be bottoming? can't he be bottoming? can't we be bottoming? can't you be bottoming? can't they be bottoming?
Perfect
can't I have bottomed? can't you have bottomed? can't he have bottomed? can't we have bottomed? can't you have bottomed? can't they have bottomed?
V-ing perfect
can't I have been bottoming? can't you have been bottoming? can't he have been bottoming? can't we have been bottoming? can't you have been bottoming? can't they have been bottoming?