ある is listed in dictionaries as having ラ行五段活用, which would suggest a negative form of あらない. However, that form does not exist. Why not?
I thought when you get a type one verb ending with "ku" you replace it with ita. For example Kaku (to write) goes to Kaita. So I'm guessing Iku is an exception, does this happen with other verbs too ? ...
I am going over the cases when に and で are used with location. According to the "Dictionary of Basic Japanese Grammar", に is used when something exists in a specific location (page 299) and で is used ...
There are verbs with irregular humble forms, e.g. the humble form of 借りる is 拝借する. For these verbs, are the "normal humble conjugations" still used, or considered grammatical? Would お借りする be ...