Question 1

What does the particle は after 私 do, and how is it different from が?

Accepted Answer

は marks 私 as the topic of the sentence (“as for me…”). It frames the entire comment around “I.” In contrast, が would mark 私 as the grammatical subject introducing new information or emphasizing “I” specifically. Using は here is more natural when you want to state what you did, not to single yourself out.

Question 2

What is the function of the particle を after 会員リスト?

Accepted Answer

を marks 会員リスト as the direct object of the transitive verb 送る (“to send”). In English you’d say “send the membership list,” and in Japanese you use を to link the object to the verb.

Question 3

In メールで, what role does で play? Could I say メールに instead?

Accepted Answer

で indicates the means or method—“by email.” You cannot use に here because に marks destinations or recipients, not instruments. If you said メールに, listeners would wonder “to where in the email?”

Question 4

Why is there no recipient in this sentence? How would I say “to Yamada-san”?

Accepted Answer

Japanese often omits the recipient when it’s clear from context. To specify, add に after the person’s name:  
山田さんに会員リストをメールで送りました。  
Here 山田さんに clearly marks “to Mr. Yamada.”

Question 5

What tense and politeness level is 送りました, and what’s the dictionary form?

Accepted Answer

送りました is the polite past form of the verb 送る.  
– Dictionary (plain) form: 送る (“to send”)  
– Polite present/future: 送ります  
– Polite past: 送りました (“sent”)

Question 6

Can I omit 私は in this sentence? When is that appropriate?

Accepted Answer

Yes. In Japanese, subjects/topics like 私 are often dropped if context makes them clear. In an email or conversation where it’s obvious you’re the sender, you can simply write:  
会員リストをメールで送りました。

Question 7

Why are リスト and メール written in Katakana rather than Kanji or Hiragana?

Accepted Answer

They are loanwords from English (“list,” “mail”), so Japanese writes them in Katakana to signal they’re foreign imports. 会員 is native/Sino-Japanese and uses Kanji, but リスト and メール stay in Katakana.

Question 8

Is the word order in 私 は 会員リスト を メール で 送りました fixed? Can I rearrange these parts?

Accepted Answer

Japanese word order is relatively flexible because particles mark each word’s role. You could say:  
メールで会員リストを送りました。 (emphasizing “by email”)  
or  
会員リストを私がメールで送りました。 (emphasizing “I” did it)  
However, the verb typically goes at the end, and particles (は, を, で, に) must stay attached to their phrases.

watasi ha kaiinrisuto wo meeru de okurimasita.

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