From that thread, the mnemonic solidified. It spread to Reddit’s r/LearnJapanese, then to WaniKani forums, and eventually to TikTok and Instagram Reels.
Iru (to exist - animate). Te-form: Ite . Past: Ita . pastakudasai rule
You can find hundreds of examples of this "rule" in action by searching for the hashtag on TikTok or Instagram Reels. From that thread, the mnemonic solidified
"Pastakudasai. I get the above error when trying to write to this file. How can I fix this?" From that thread
In a Japanese restaurant or shop, you can generally follow these guidelines to ensure you are being polite: