Warning, this verb may not exist. Conjugation is given as example.
Affirmation
Simple form
I can overfill overfill you can overfill overfill he can overfill overfill we can overfill overfill you can overfill overfill they can overfill overfill
V-ing form
I can be overfill overfilling you can be overfill overfilling he can be overfill overfilling we can be overfill overfilling you can be overfill overfilling they can be overfill overfilling
Perfect
I can have overfill overfilled you can have overfill overfilled he can have overfill overfilled we can have overfill overfilled you can have overfill overfilled they can have overfill overfilled
V-ing perfect
I can have been overfill overfilling you can have been overfill overfilling he can have been overfill overfilling we can have been overfill overfilling you can have been overfill overfilling they can have been overfill overfilling
Negation
Simple form
I cannot overfill overfill you cannot overfill overfill he cannot overfill overfill we cannot overfill overfill you cannot overfill overfill they cannot overfill overfill
V-ing form
I cannot be overfill overfilling you cannot be overfill overfilling he cannot be overfill overfilling we cannot be overfill overfilling you cannot be overfill overfilling they cannot be overfill overfilling
Perfect
I cannot have overfill overfilled you cannot have overfill overfilled he cannot have overfill overfilled we cannot have overfill overfilled you cannot have overfill overfilled they cannot have overfill overfilled
V-ing perfect
I cannot have been overfill overfilling you cannot have been overfill overfilling he cannot have been overfill overfilling we cannot have been overfill overfilling you cannot have been overfill overfilling they cannot have been overfill overfilling
Interrogative form
Simple form
can I overfill overfill? can you overfill overfill? can he overfill overfill? can we overfill overfill? can you overfill overfill? can they overfill overfill?
V-ing form
can I be overfill overfilling? can you be overfill overfilling? can he be overfill overfilling? can we be overfill overfilling? can you be overfill overfilling? can they be overfill overfilling?
Perfect
can I have overfill overfilled? can you have overfill overfilled? can he have overfill overfilled? can we have overfill overfilled? can you have overfill overfilled? can they have overfill overfilled?
V-ing perfect
can I have been overfill overfilling? can you have been overfill overfilling? can he have been overfill overfilling? can we have been overfill overfilling? can you have been overfill overfilling? can they have been overfill overfilling?
Interro-negative form
Simple form
can I not overfill overfill? can you not overfill overfill? can he not overfill overfill? can we not overfill overfill? can you not overfill overfill? can they not overfill overfill?
V-ing form
can I not be overfill overfilling? can you not be overfill overfilling? can he not be overfill overfilling? can we not be overfill overfilling? can you not be overfill overfilling? can they not be overfill overfilling?
Perfect
can I not have overfill overfilled? can you not have overfill overfilled? can he not have overfill overfilled? can we not have overfill overfilled? can you not have overfill overfilled? can they not have overfill overfilled?
V-ing perfect
can I not have been overfill overfilling? can you not have been overfill overfilling? can he not have been overfill overfilling? can we not have been overfill overfilling? can you not have been overfill overfilling? can they not have been overfill overfilling?