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