Warning, this verb may not exist. Conjugation is given as example.
Affirmation
Simple form
I can clean clean you can clean clean he can clean clean we can clean clean you can clean clean they can clean clean
V-ing form
I can be clean cleaning you can be clean cleaning he can be clean cleaning we can be clean cleaning you can be clean cleaning they can be clean cleaning
Perfect
I can have clean cleaned you can have clean cleaned he can have clean cleaned we can have clean cleaned you can have clean cleaned they can have clean cleaned
V-ing perfect
I can have been clean cleaning you can have been clean cleaning he can have been clean cleaning we can have been clean cleaning you can have been clean cleaning they can have been clean cleaning
Negation
Simple form
I can't clean clean you can't clean clean he can't clean clean we can't clean clean you can't clean clean they can't clean clean
V-ing form
I can't be clean cleaning you can't be clean cleaning he can't be clean cleaning we can't be clean cleaning you can't be clean cleaning they can't be clean cleaning
Perfect
I can't have clean cleaned you can't have clean cleaned he can't have clean cleaned we can't have clean cleaned you can't have clean cleaned they can't have clean cleaned
V-ing perfect
I can't have been clean cleaning you can't have been clean cleaning he can't have been clean cleaning we can't have been clean cleaning you can't have been clean cleaning they can't have been clean cleaning
Interrogative form
Simple form
can I clean clean? can you clean clean? can he clean clean? can we clean clean? can you clean clean? can they clean clean?
V-ing form
can I be clean cleaning? can you be clean cleaning? can he be clean cleaning? can we be clean cleaning? can you be clean cleaning? can they be clean cleaning?
Perfect
can I have clean cleaned? can you have clean cleaned? can he have clean cleaned? can we have clean cleaned? can you have clean cleaned? can they have clean cleaned?
V-ing perfect
can I have been clean cleaning? can you have been clean cleaning? can he have been clean cleaning? can we have been clean cleaning? can you have been clean cleaning? can they have been clean cleaning?
Interro-negative form
Simple form
can't I clean clean? can't you clean clean? can't he clean clean? can't we clean clean? can't you clean clean? can't they clean clean?
V-ing form
can't I be clean cleaning? can't you be clean cleaning? can't he be clean cleaning? can't we be clean cleaning? can't you be clean cleaning? can't they be clean cleaning?
Perfect
can't I have clean cleaned? can't you have clean cleaned? can't he have clean cleaned? can't we have clean cleaned? can't you have clean cleaned? can't they have clean cleaned?
V-ing perfect
can't I have been clean cleaning? can't you have been clean cleaning? can't he have been clean cleaning? can't we have been clean cleaning? can't you have been clean cleaning? can't they have been clean cleaning?