GUIDED PATH · PHASE 5
Guided Japanese Course
A mastery path for complete beginners and technology professionals.
HOW THIS COURSE WORKS
Follow the path. Advance by mastery.
The primary path tells you what to do next. You can still open any available lesson, but completion is based on checkpoints rather than calendar days.
FULL TARGET CURRICULUM
Tracks 0–10
TRACK 7 · 7-5
~んです / ~のです: Explanation & Context
Recognize and use explanatory ~んです / ~のです to provide background, reasons, or an explanatory tone.
- Plain forms.
Japanese often distinguishes a bare fact from a fact offered as explanation. This matters in troubleshooting, status updates, and answering 'what happened?'
1. A fact and an explanation can share the same core event
雨です states 'It is raining.' 雨なんです can present that fact as explanatory context. With verbs: エラーが出たんです.
The thing is, an error occurred / An error occurred, you see.
2. Attach の/ん to plain forms; nouns/な-adjectives use な before の/ん
Spoken んです is extremely common. のです is more formal/written.
Natural: The thing is, an error occurred.
Structure: error occurred — explanatory — polite
Explaining a situation.
Natural: I'm investigating it right now (that's the situation).
Structure: now investigating — explanatory
Background.
Natural: It's necessary (that's why / you see).
Structure: necessary — linking-na — explanatory
な-adjective/noun-type attachment.
3. ~んですか can ask for explanation/background
どうしたんですか asks what happened/what's wrong with an explanatory expectation.
4. Troubleshooting explanation sheet
Write eight bare facts, then convert them into explanatory ~んです statements. Add a plausible question/context that makes the explanation natural.
INTERACTIVE WORKSHEET
4. Troubleshooting explanation sheet
Create 8 FACT → EXPLANATION pairs. Include verb present/past, adjective, and noun/な-adjective examples. Circle な where required.
Tip: on a foldable or tablet, use your pen directly on the page. Your strokes are saved in this browser as you work.
4. Troubleshooting explanation sheet
Create 8 FACT → EXPLANATION pairs. Include verb present/past, adjective, and noun/な-adjective examples. Circle な where required.
5. Debug the explanatory layer
Use the linked Manabi Kōbō tool for focused transfer practice.
Language IDE
Why here: The core proposition remains intact while の/ん adds discourse function.
How to use it for this lesson: Compare エラーが出ました, エラーが出た, and エラーが出たんです. Label POLITENESS vs EXPLANATORY FUNCTION.
Inspect explanation structure →Mastery checkpoint
Answer from memory. If something fails, identify whether the bug is conjugation, particle role, or interpretation before retrying.
