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