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