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Usages of ndesu
どうして 行った んです か。dousite itta ndesu ka.
(Explain to me,) why did you go?
予定 だった んです。yotei datta ndesu.
(It's because) it was the plan.
学校 は 面白い んです。gakkou ha omosiroi ndesu.
(It's because) school is interesting.
ここ は 静か で は ない んです。koko ha sizuka de ha nai ndesu.
(It's because) it's not quiet here.
どう した んです か。dou sita ndesu ka.
What's wrong?; What's happened?
風邪 を 引いた んです か。 薬 を 飲んだ 方 が いい です。kaze wo hiita ndesu ka. kusuri wo nonda hou ga ii desu.
Have you caught a cold? You should take some medicine.
予定な んです。yoteina ndesu.
(It's because) it's the plan.
公園 に 行かない。 暑い んです よ。kouen ni ikanai. atui ndesu yo.
I'm not going to the park. (It's because) It's (too) hot!
その ソフト は 便利な んです。sono sohuto ha benrina ndesu.
(It's because) that software is useful.
明日 は 休みな んです。asita ha yasumina ndesu.
(It's that) tomorrow is a holiday.
Test yourself: What does ndesu mean?
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“How do verb conjugations work in Japanese?”
Japanese verbs conjugate based on tense, politeness, and mood. For example, the polite present form adds ‑ます to the verb stem, while the past tense uses ‑ました. Unlike English, Japanese verbs don't change based on the subject — the same form works for "I", "you", and "they".
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