B2 · Obere Mittelstufe Kapitel 6

Hypotheticals, Certainty, and Reporting Information

5 Gesamtregeln
50 Beispiele
7 Min.
Regeln in diesem Kapitel Schnelle Übung

Chapter in 30 Seconds

Master the art of hypothetical scenarios, firm convictions, and professional information reporting in Japanese.

  • Construct complex hypothetical scenarios for planning and deliberation.
  • Express strong personal conviction and identify the core essence of situations.
  • Report hearsay and objective information with professional precision.
Speak with clarity, conviction, and native-level precision.

Was du lernen wirst

Hey buddy, ready to level up and speak like a pro in Japanese? In this chapter, we're saying goodbye to simple sentences and diving into the more complex and exciting world of Japanese! Here, you'll learn how to pose hypothetical scenarios, for example, when you're planning a trip with friends and say If this happens... or Assuming that..., you'll use 'としたら' and 'とすれば' just like natives. Do you want to express an impossible wish or say

If only I could...?
With 'ものなら', you'll convey your feelings beautifully and authentically. Next, we'll tackle how to express a certain conclusion. When you've deduced something from clues and are 100% sure, you'll say
It must be this!
with 'に違いない'. Or, when you want to explain the essence of something and say
This is nothing other than that!
, you'll use 'にほかならない', which sounds very elegant and formal. Finally, you'll learn how to report hearsay or information you've heard or aren't sure you witnessed yourself, using '~ということだ', like I heard that... or It means that.... With these, you'll convey information like a professional Japanese reporter! With these 5 grammar points, not only will your vocabulary deepen, but you'll also be able to express your intentions with greater precision and subtlety, thinking and speaking exactly like a native. So, let's go, because this chapter is going to help you speak much more fluently and naturally!

Learning Objectives

By the end of this chapter, you will be able to:

  1. 1
    By the end you will be able to: Use hypothetical structures to organize travel plans with friends.
  2. 2
    By the end you will be able to: Express high-certainty opinions regarding work-related observations.

Kapitel-Leitfaden

Overview

Welcome, language adventurers, to a pivotal chapter in your Japanese grammar B2 journey! If you're ready to move beyond basic sentence structures and express yourself with greater sophistication and nuance, you've come to the right place. This chapter is designed to elevate your communication skills, helping you articulate complex ideas, speculate about future events, express strong convictions, and report information like a true native speaker.
Mastering these patterns is essential for anyone aiming for fluency and a deeper understanding of Japanese thought processes.
At the B2 CEFR level, the focus shifts from simply being understood to communicating effectively and precisely in a wide range of situations. Here, we'll explore five powerful Japanese grammar points that will unlock new dimensions in your conversations. From setting up hypothetical scenarios with としたら and とすれば, to expressing impossible dreams with ものなら, asserting certainty with に違いない, defining core truths with にほかならない, and relaying reported information using ~ということだ, each rule offers a unique way to refine your expression.
Get ready to sound more natural, more confident, and truly engage with the subtleties of the Japanese language.

How This Grammar Works

Let's break down the mechanics of these powerful B2 Japanese grammar structures, giving you the tools to express yourself with precision.
First, for assuming scenarios, we have としたら and とすれば. These are used to set up hypothetical conditions or premises, often when making plans or considering possibilities. としたら generally means
if X were the case
or assuming X, focusing on a specific premise.
とすれば is very similar, often interchangeable, but can sometimes imply a slightly more logical deduction or a premise for further reasoning.
* としたら: 明日雨が降るとしたら、ピクニックは中止だ。(Ashita ame ga furu to shitara, pikunikku wa chuushi da.) (Assuming it rains tomorrow, the picnic is canceled.)
* とすれば: その計画が成功するとすれば、大きな利益が得られるだろう。(Sono keikaku ga seikou to sureba, ookina rieki ga erareru darou.) (If that plan succeeds, we will probably gain a large profit.)
Next, to express an impossible wish or a regret about something that can't happen, we use ものなら. This structure often conveys a strong desire for something that is difficult or impossible to achieve, carrying a sense of
if only I could...
* ものなら: 時間を戻せるものなら、あの時こう言いたかった。(Jikan o modoseru mono nara, ano toki kou iitakatta.) (If only I could turn back time, I would have wanted to say this then.)
When you want to convey certainty based on strong evidence or logical deduction, you use に違いない. This expresses a firm conviction, meaning it must be, "there's no mistake that, or it's certainly the case."
* に違いない: 彼の話し方からすると、日本人であるに違いない。(Kare no hanashikata kara suru to, Nihonjin de aru ni chigai nai.) (Judging from the way he speaks, he must be Japanese.)
To define the essence of something, stating that
it is nothing other than X
or
it is truly X,
we use にほかならない. This is a more formal and emphatic way to make a definitive statement about the true nature of something.
* にほかならない: 彼の成功は、努力の成果にほかならない。(Kare no seikou wa, doryoku no seika ni hoka naranai.) (His success is nothing other than the result of his efforts.)
Finally, for reporting hearsay or information you've heard, or to explain the general meaning of something, we use ~ということだ. This translates to I heard that, it means that, or
it is said that,
allowing you to relay information indirectly.
* ~ということだ: 彼は来週から出張だということだ。(Kare wa raishuu kara shucchou da to iu koto da.) (I heard that he will be on a business trip starting next week.)

Common Mistakes

Navigating these advanced Japanese grammar patterns can sometimes lead to common pitfalls. Here are a few to watch out for:
  1. 1✗ Wrong: 明日雨が降るなら、ピクニックは中止だ。(Ashita ame ga furu nara, pikunikku wa chuushi da.) (If it rains tomorrow, the picnic is canceled.)
✓ Correct: 明日雨が降るとしたら、ピクニックは中止だ。(Ashita ame ga furu to shitara, pikunikku wa chuushi da.) (Assuming it rains tomorrow, the picnic is canceled.)
*Explanation:* While なら is a valid conditional, としたら specifically implies
assuming a certain scenario
rather than just a simple if. It sets up a premise for discussion or planning, which is the nuance we're aiming for in this B2 context.
  1. 1✗ Wrong: 彼はとても疲れているはずだ。(Kare wa totemo tsukarete iru hazu da.) (He should be very tired.)
✓ Correct: 彼はとても疲れているに違いない。(Kare wa totemo tsukarete iru ni chigai nai.) (He must be very tired.)
*Explanation:* はずだ implies expectation or likelihood, often based on general knowledge or a schedule. に違いない expresses a much stronger degree of certainty, a firm conclusion drawn from evidence or logical inference, which is the core meaning of this grammar point.
  1. 1✗ Wrong: 彼は忙しいと言いました。(Kare wa isogashii to iimashita.) (He said he was busy.)
✓ Correct: 彼は忙しいということだ。(Kare wa isogashii to iu koto da.) (I heard that he is busy.)
*Explanation:* Using ~ということだ implies reporting information you've heard from someone else or that is generally known, rather than directly quoting what someone *said*. If you directly heard it from him, と言いました is fine, but ~ということだ signals indirect reporting or general understanding.

Real Conversations

Let's see these Japanese grammar points in action through some everyday dialogues.

A

A

来月、北海道に旅行に行くとしたら、どこに行きたい？ (Raigetsu, Hokkaido ni ryokou ni iku to shitara, doko ni ikitai?) (If we were to go on a trip to Hokkaido next month, where would you want to go?)
B

B

札幌の雪まつりは見たいな。でも、寒さに耐えられるものなら、もっと北の方まで行ってみたい。(Sapporo no Yuki Matsuri wa mitai na. Demo, samusa ni taerareru mono nara, motto kita no hou made itte mitai.) (I want to see the Sapporo Snow Festival. But if only I could withstand the cold, I'd want to go further north.)
A

A

彼のあの自信満々な態度を見ると、プロジェクトは成功するに違いない。(Kare no ano jishin manman na taido o miru to, purojekuto wa seikou suru ni chigai nai.) (Seeing his confident attitude, the project must succeed.)
B

B

そうだね。彼のリーダーシップは、成功の鍵にほかならないよ。(Sou da ne. Kare no riidaashippu wa, seikou no kagi ni hoka naranai yo.) (You're right. His leadership is nothing other than the key to success.)
A

A

田中さん、今日の会議には参加しないということだね。(Tanaka-san, kyou no kaigi ni wa sanka shinai to iu koto da ne.) (So, I heard Mr. Tanaka won't be attending today's meeting, right?)
B

B

ええ、急な出張が入ったということですよ。(Ee, kyuu na shucchou ga haitta to iu koto desu yo.) (Yes, I heard he had a sudden business trip come up.)

Quick FAQ

Q

What's the main difference between としたら and とすれば in B2 Japanese grammar?

While largely interchangeable, としたら often sets a specific premise, whereas とすれば can imply a slightly more logical deduction or a premise for further reasoning, though the distinction is subtle in common usage.

Q

Can ものなら be used for achievable goals, or is it strictly for impossible wishes?

ものなら is primarily used for wishes that are difficult or impossible to achieve, expressing regret or a strong desire for something that isn't likely. For achievable goals, simpler conditional forms are generally used.

Q

Is にほかならない common in everyday spoken Japanese?

にほかならない is more formal and emphatic. While understood, it's more frequently encountered in written Japanese, speeches, or formal discussions rather than casual daily conversation.

Q

How does ~ということだ differ from ~らしい or ~そうだ for reporting information?

~ということだ reports information as a general understanding or something heard, often from a reliable source or a general consensus. ~らしい indicates something seems like or appears to be based on observation or vague hearsay, while ~そうだ (reported speech) means I heard that... from a specific source, or (look/appear) it looks like... based on direct observation.

Cultural Context

These Japanese grammar patterns are crucial for expressing nuanced thought, reflecting a cultural emphasis on indirectness and precision. としたら and とすれば allow for polite speculation, common in collaborative planning. に違いない demonstrates confidence and logical reasoning, valued in professional settings.
にほかならない is often used to make definitive, almost philosophical statements, lending authority to one's words. Finally, ~ということだ is a cornerstone of indirect communication, prevalent in a society where direct confrontation or assertion can sometimes be avoided in favor of reporting general understanding.

Wichtige Beispiele (6)

1

If you won 100 million yen, what would you do?

Wenn du 100 Millionen Yen gewinnen würdest, was würdest du machen?

Szenarien annehmen mit 'としたら' und 'とすれば'
2

If I were to redo my life, I'd want to be a doctor.

Wenn ich mein Leben noch einmal leben könnte, würde ich Arzt werden wollen.

Szenarien annehmen mit 'としたら' und 'とすれば'
3

Success is nothing other than the result of hard work.

Erfolg ist nichts anderes als das Ergebnis harter Arbeit.

Das Wesen definieren: 'Nichts anderes als' (~にほかならない)
4

The reason he got angry is purely because he is worried about you.

Dass er wütend wurde, liegt rein daran, dass er sich Sorgen um dich macht.

Das Wesen definieren: 'Nichts anderes als' (~にほかならない)
5

{天気予報|てんきよほう}によると、{明日|あした}は{雨|あめ}だということです。

Laut Wetterbericht soll es morgen regnen.

~to iu koto da: Hörensagen berichten ('Ich habe gehört, dass...')
6

{電車|てんき}が{遅|おく}れているので、{会議|かいぎ}に{少|すこ}し{遅|おく}れるということです。

Der Zug hat Verspätung, das heißt, ich komme etwas zu spät zum Meeting.

~to iu koto da: Hörensagen berichten ('Ich habe gehört, dass...')

Tipps & Tricks (4)

💡

Der Vergangenheits-Trick

Nutze die Vergangenheitsform (Plain Form) wie {行った|いった} vor としたら, damit das Szenario noch theoretischer wirkt: «そこに行ったとしたら、どう思う？»
frontend.learn_grammar.from_rule: Szenarien annehmen mit 'としたら' und 'とすれば'
🎯

Umgangssprachliche Abkürzung

Beim Sprechen wird ものなら fast immer zu もんなら verkürzt. Das klingt natürlicher: «行けるもんなら行きたいよ！»
frontend.learn_grammar.from_rule: Wenn ich könnte (Unmöglicher Wunsch) (~ものなら)
💡

Der Sherlock-Modus

Sieh diese Grammatik als dein Werkzeug für logische Schlussfolgerungen. Du hast ein Indiz gesehen und ziehst ein Fazit: «犯人は彼に違いない。»
frontend.learn_grammar.from_rule: Ich bin mir sicher! (~ni chigai nai)
🎯

Die 'Mic Drop' Regel

Spar dir diesen Ausdruck für den letzten Satz deiner Argumentation auf, um deine Meinung unanfechtbar zu machen: «合格したのは、君が頑張ったからにほかならない。»
frontend.learn_grammar.from_rule: Das Wesen definieren: 'Nichts anderes als' (~にほかならない)

Wichtige Vokabeln (5)

想定(そうてい) assumption/supposition 確信(かくしん) conviction/certainty 本質(ほんしつ) essence/nature 伝聞(でんぶん) hearsay/report 願望(がんぼう) desire/wish

Real-World Preview

briefcase

Project Planning Meeting

Review Summary

  • Plain form + としたら/とすれば
  • Verb (potential) + ものなら
  • Plain form + に違いない
  • Noun + にほかならない
  • Plain form + ということだ

Häufige Fehler

Do not add 'da' after 'ni chigai nai', as it already carries a assertive nuance.

Wrong: 雨が降るに違いないだ。
Richtig: 雨が降るに違いない。

The conditional 'tara' should not be doubled. Use the dictionary form before 'toshitara'.

Wrong: もし行けばとしたら...
Richtig: もし行くとしたら...

The pattern always uses the negative form 'hoka naranai'.

Wrong: これは本質にほかなる。
Richtig: これは本質にほかならない。

Next Steps

You've conquered the hardest part of B2. Keep pushing, and your fluency will be indistinguishable from a native speaker!

Listen to a Japanese news clip and identify hearsay reports.

Continue to: Habits, Warnings, and Professional Nuance

Schnelle Übung (10)

Fülle die Lücke, um zu berichten, was du gehört hast.

ニュースによると、明日は晴れる＿＿＿＿＿＿。

✓ Correct! ✗ Not quite. Correct answer: ということです
ということです wird genutzt, um Infos aus Quellen wie den Nachrichten zu zitieren. Da 晴れる ein Verb ist, wird es direkt angeschlossen.

frontend.learn_grammar.from_rule: ~to iu koto da: Hörensagen berichten ('Ich habe gehört, dass...')

Fülle die Lücke aus, um den Satz nachdrücklich zu beenden.

合格できたのは、毎日{練習|れんしゅう}した___にほかならない。

✓ Correct! ✗ Not quite. Correct answer: から
Wenn du einen Grund mit diesem Muster erklärst, benutzt du 'kara' vor 'ni hokanaranai'.

frontend.learn_grammar.from_rule: Das Wesen definieren: 'Nichts anderes als' (~にほかならない)

Bring die Wörter in die richtige Reihenfolge.

Ordne diese Wörter: [ということです, 閉店する, あの店は, 来月]

✓ Correct! ✗ Not quite. Correct answer: あの店は来月閉店するということです
Der Basissatz ist あの店は来月閉店する. Mit ということです am Ende markierst du es als Hörensagen.

frontend.learn_grammar.from_rule: ~to iu koto da: Hörensagen berichten ('Ich habe gehört, dass...')

Finde und korrigiere den Fehler im Satz.

先生の話では、試験は来週に難しいということです。

✓ Correct! ✗ Not quite. Correct answer: 先生の話では、来週の試験は難しいということです。
Der Satzbau war etwas holprig. Am natürlichsten ist es, das Examen als Subjekt zu setzen.

frontend.learn_grammar.from_rule: ~to iu koto da: Hörensagen berichten ('Ich habe gehört, dass...')

Finde und korrigiere den Fehler.

このテストは簡単だに違いない。

✓ Correct! ✗ Not quite. Correct answer: このテストは簡単に違いない。
na-Adjektive wie 簡単 lassen das だ vor に違いない weg.

frontend.learn_grammar.from_rule: Ich bin mir sicher! (~ni chigai nai)

Wähle die richtige Form für: "Wenn ich fliegen könnte..."

空を___ものなら、飛んでいきたい。

✓ Correct! ✗ Not quite. Correct answer: 飛べる (toberu)
Wir brauchen die Potenzialform (können), um mit ものなら einen unmöglichen Wunsch auszudrücken.

frontend.learn_grammar.from_rule: Wenn ich könnte (Unmöglicher Wunsch) (~ものなら)

Finde den Fehler im japanischen Satz.

Find and fix the mistake:

明日、雨が降れるものなら、家にいます。

✓ Correct! ✗ Not quite. Correct answer: Ersetze 降れるものなら durch 降ったら
Dass es regnet, ist eine realistische Möglichkeit, kein unerreichbarer Wunsch. Daher nutzt man たら.

frontend.learn_grammar.from_rule: Wenn ich könnte (Unmöglicher Wunsch) (~ものなら)

Welcher Satz ist korrekt?

If it is a dream, I don't want to wake up.

✓ Correct! ✗ Not quite. Correct answer: {夢|ゆめ}だとしたら、{起き|おき}たくない。
Nomen brauchen zwingend ein 'だ', bevor du 'としたら' anhängst.

frontend.learn_grammar.from_rule: Szenarien annehmen mit 'としたら' und 'とすれば'

Finde und korrigiere den Fehler

Find and fix the mistake:

{忙しい|いそがしい}だとしたら、{手伝い|てつだい}ます。

✓ Correct! ✗ Not quite. Correct answer: {忙しい|いそがしい}としたら、{手伝い|てつだい}ます。
I-Adjektive bekommen KEIN 'だ' vor 'としたら'. Einfach direkt die Plain Form nutzen.

frontend.learn_grammar.from_rule: Szenarien annehmen mit 'としたら' und 'とすれば'

Welcher Satz ist korrekt?

Wähle den natürlichsten Satz:

✓ Correct! ✗ Not quite. Correct answer: 外は寒いに違いない。
i-Adjektive nutzen ihre normale Wörterbuchform vor に違いない.

frontend.learn_grammar.from_rule: Ich bin mir sicher! (~ni chigai nai)

Score: /10

Häufige Fragen (6)

Eher nicht! Das ist wirklich für Gedankenspiele gedacht. Wenn etwas sicher ist, nimm lieber 〜たら. Zum Beispiel: «{明日|あした}になったら、{行こう|いこう}。»
Nein, man sagt es auch, aber es klingt analytischer. Denk an eine logische Schlussfolgerung wie «{予算|よさん}で{考える|かんがえる}とすれば...».
なら ist ein kontextbezogenes Falls (z.B.
Wenn du zum Supermarkt gehst, kauf Milch
). ものなら ist ein emotionales, hypothetisches Wenn (z.B.
Wenn ich zum Supermarkt fliegen könnte
).
Nein. Benutze es niemals für Dinge, die realistisch passieren könnten. Es ist für Unmögliches reserviert.
Ganz und gar nicht! Es klingt zwar logischer als ein einfaches だろう, ist aber im Alltag total üblich, wenn du dir bei einer Sache sicher bist: «怒っているに違いない».
に違いない basiert auf objektiven Indizien. に決まっている ist eher deine ganz persönliche, oft emotionale Meinung: «勝つに決まっている!» (Wir gewinnen sowieso!).
Vorheriges Kapitel
Describing Feelings, Vibes, and Overwhelming States
Nächstes Kapitel
Habits, Warnings, and Professional Nuance
Zurück zur Roadmap