“〜ta ue de・no ue de”: After Doing A, Then B / On the Basis of 〜 [JLPT N2]
By Nihongo to Japan · Updated July 3, 2026
“I'll reply after confirming” — completing the first thing, then proceeding with the next
“〜ta ue de・no ue de”: After Doing A, Then B / On the Basis of 〜
「(verb た-form/noun の) ＋ 上(うえ)で」 means “after finishing A, on the basis of A's result, then do B” — stressing completing the first thing (and factoring in its result) before proceeding with the next. E.g. 「資料をよく読んだ上で、ご判断ください」 (please decide after reading the materials carefully), 「相談した上で、決めます」 (I'll decide after consulting). Careful and formal in tone, it stresses that B is built on the premise of “having first done A.”
🧠 Core nuance: do A well and see it clearly first, then build B on it
The core is doing B carefully with A as a prerequisite step: not mere time sequence, but “complete A, grasp/confirm A's result, then carry out B on that basis” (decide after reading, decide after consulting, reply after confirming). It stresses that B proceeds on the premise of A, careful and formal in tone, common in business and formal settings. Unlike the plain-sequence てから, た上で stresses “with A as a premise, carefully.”
📌 How to Connect
| Form | Pattern | Example |
|---|---|---|
| verb た-form ＋ 上で | (after doing A) then 〜 | 確認した上で |
| noun の ＋ 上で | after / on the basis of 〜 | 相談の上で |
| (followed by a careful action) | 判断・決定・返事 etc. | 〜上で、決める |
💬 Example Sentences
- 資料をよくお読みになった上で、ご判断ください。(Please decide after reading the materials carefully.) — with A as premise
- 家族とよく相談した上で、お返事いたします。(I'll reply after consulting my family carefully.) — after consulting
- 契約内容を十分に確認した上で、サインしてください。(Please sign after fully confirming the contract terms.) — after confirming
- 双方の事情を聞いた上で、結論を出すべきだ。(One should reach a conclusion after hearing both sides.) — carefully
- ご検討の上で、ご連絡いただければ幸いです。(I'd appreciate it if you'd contact me after consideration.) — noun の 上で
🔄 Compare: た上で vs てから vs た上に vs うえは
| Expression | Nuance | Example |
|---|---|---|
| 〜た上で | “(with A as premise) then 〜” (careful, formal) | 確認した上で決める |
| 〜てから | “after 〜” (plain time sequence) | 食べてから出る |
| 〜た上に | “not only 〜 but also 〜” (addition, different!) | 安い上に美味しい |
| 〜うえは | “now that 〜, then” (resolve) | やるうえは |
⚠️ Common Mistakes
- Confusing with 上に: 上で = do B with A as premise; 上に = not only… but also… (addition) — entirely different meanings!
- Connection: verb た-form ＋ 上で (✗ 確認する上で as a premise is less natural); nouns use noun の ＋ 上で.
- Difference from てから: た上で is more careful and formal, stressing the premise; てから is plain time sequence.
- Latter is careful: 上で is usually followed by a careful action — judgment, decision, reply.
💡 Nuance & When to Use
た上で・の上で mean “after finishing A, on the basis of A's result, then do B,” stressing completing and grasping A, then carefully carrying out B on that basis (decide after reading, decide after consulting, sign after confirming). Careful and formal in tone, common in business, contracts, and formal settings. Unlike the plain-sequence てから, た上で stresses premise and care. ⚠️ Don't confuse it with た上に (not only… but also…). A must at N2.
🎯 JLPT Exam Tips
- High-frequency N2: verb た-form/noun の ＋ 上で = with A as premise, then do B (carefully).
- Distinction: た上で (do B with A as premise, formal) vs てから (plain time sequence).
- Key trap: た上で (do B after a premise) ≠ た上に (not only but also, addition)!
🖊️ 練習題（5題）
Q1. 「資料をよく読んだ___、ご判断ください。」（仔細看完資料後再判斷）
(A) 上で (B) ものの (C) ところで (D) どころか
Q2. 「よく考えた___返事をする。」（仔細考慮後再回覆）
(A) 上で (B) 上に (C) 上は (D) 上を
Q3. 「相談した上で決める」の意味は?
(A) 商量之後（以商量結果為前提）再決定
(B) 不商量就決定
(C) 一邊商量一邊決定
(D) 決定後才商量
Q4. 「た上で」と「てから」の違いとして正しいのは?
(A) た上で＝慎重地以A結果為前提再B(正式);てから＝單純時間先後
(B) 兩者完全相同
(C) た上で＝日常口語
(D) てから＝表示逆接
Q5. 「先做A再做B」で接法が正しいのは?
(A) 確認した上で進める。 (B) 確認する上で進めた。
(C) 確認の上でに進める。 (D) 確認して上で進める。
答案解析
1. (A) 上で ── 「読んだ上で判断」＝看完後再判斷。
2. (A) 上で ── 「考えた上で返事」＝考慮後再回覆。
3. (A) ── 以商量結果為前提再決定。
4. (A) ── た上で 慎重前提(正式);てから 單純時間先後。
5. (A) ── 「先A再B」用動詞た形＋上で。