I can dim you can dim he can dim we can dim you can dim they can dim
V-ing form
I can be dimming you can be dimming he can be dimming we can be dimming you can be dimming they can be dimming
Perfect
I can have dimmed you can have dimmed he can have dimmed we can have dimmed you can have dimmed they can have dimmed
V-ing perfect
I can have been dimming you can have been dimming he can have been dimming we can have been dimming you can have been dimming they can have been dimming
Negation
Simple form
I can't dim you can't dim he can't dim we can't dim you can't dim they can't dim
V-ing form
I can't be dimming you can't be dimming he can't be dimming we can't be dimming you can't be dimming they can't be dimming
Perfect
I can't have dimmed you can't have dimmed he can't have dimmed we can't have dimmed you can't have dimmed they can't have dimmed
V-ing perfect
I can't have been dimming you can't have been dimming he can't have been dimming we can't have been dimming you can't have been dimming they can't have been dimming
Interrogative form
Simple form
can I dim? can you dim? can he dim? can we dim? can you dim? can they dim?
V-ing form
can I be dimming? can you be dimming? can he be dimming? can we be dimming? can you be dimming? can they be dimming?
Perfect
can I have dimmed? can you have dimmed? can he have dimmed? can we have dimmed? can you have dimmed? can they have dimmed?
V-ing perfect
can I have been dimming? can you have been dimming? can he have been dimming? can we have been dimming? can you have been dimming? can they have been dimming?
Interro-negative form
Simple form
can't I dim? can't you dim? can't he dim? can't we dim? can't you dim? can't they dim?
V-ing form
can't I be dimming? can't you be dimming? can't he be dimming? can't we be dimming? can't you be dimming? can't they be dimming?
Perfect
can't I have dimmed? can't you have dimmed? can't he have dimmed? can't we have dimmed? can't you have dimmed? can't they have dimmed?
V-ing perfect
can't I have been dimming? can't you have been dimming? can't he have been dimming? can't we have been dimming? can't you have been dimming? can't they have been dimming?