〜ながら［前置き］ (~nagara [preface]) — regrettably / with respect / if I may (fixed openers)

Ready-made openers before bad news or a request — 「残念ながら」「勝手ながら」— the language of work mail.

Formula (सूत्र ढाँचा)

N 残念／失礼／勝手 + ながら + 、〜

Verb Vず（及ばず） + ながら + 、〜

Grammar rule (व्याकरण नियम र परिभाषा)

When to use it

In mail to the 店長: 「勝手ながら、来週の金曜日はお休みをいただきたく存じます」(if I may, I would like to take next Friday off).
From a company to a customer: 「残念ながら、その商品は販売を終了いたしました」(regrettably, that product has been discontinued).
A farewell speech's 「残念ながら職場を離れることになりました」is the same.

Meaning

A few ready-made phrases built from 「ながら」, placed right before bad news or a request.
They admit the awkward situation (残念・失礼・勝手・及ばず) up front as a 前置き: 'I know this is not ideal, but I will say it'.

How to attach

「残念ながら」— regrettably
「失礼ながら」— with respect, though it may sound rude
「勝手ながら」— if I may / sorry for the inconvenience my request causes
「及ばずながら」— modest as it is / as best I can
Learn these four as set phrases; put them at the start of the sentence with a comma.

Versus what you know

N3You learned 「〜ながら（も）」meaning 'although': 「狭いながらも楽しい家」「知っていながら言わなかった」.
「すみませんが」only apologises; these phrases leave the impression 'formal, prepared, respectful'.

Watch out

Never add 「も」— 残念ながらも ✗.
In a chat with friends 「残念だけど」is the right choice.

Examples (उदाहरणहरू)

残念ながら、今回の面接は不合格となりました。

ざんねんながら、こんかいのめんせつはふごうかくとなりました。

We regret to inform you that you were not successful in this interview.

How it is built (कसरी बन्यो) 残念 = a pity → we attach 「ながら」 = with regret, but I'll say it anyway → a comma → then the bad news: 不合格となりました.

勝手ながら、来週の金曜日はお休みをいただきたく存じます。

かってながら、らいしゅうのきんようびはおやすみをいただきたくぞんじます。

Forgive the imposition, but I would like to take next Friday off.

How it is built (कसरी बन्यो) 勝手 = selfish, doing as I please → 「ながら」 = it's selfish of me, but still → then the polite request 「いただきたく存じます」 — the pattern for an email to the 店長.

失礼ながら、その書類の日付が間違っていると思います。

しつれいながら、そのしょるいのひづけがまちがっているとおもいます。

With respect, I think the date on that document is wrong.

How it is built (कसरी बन्यो) 失礼 = rudeness → 「ながら」 = it may seem rude, but still → then pointing out someone senior's mistake — a softening 前置き.

Knowledge check (मिनी ज्ञान जाँच)

Question: 1/3

「＿ながら、明日は早退させていただきます。」— to the manager, fill the blank.

💡 Hint: Which word means 'selfish of me, but' before a request?