なぜ昨晩眠れなかったのですか。
Sentence Analyzer
English Translation
Why couldn't you sleep last night?
Furigana
なぜ昨晩 眠 れなかったのですか。
Romanji
Naze sakuban nemurenakatta no desu ka.
Words
何故
(なぜ、なにゆえ)
why; how
昨晩
(さくばん)
last night
の
(の)
indicates possessive; nominalizes verbs and adjectives; substitutes for "ga" in subordinate phrases; (at sentence-end, falling tone) indicates a confident conclusion; (at sentence-end) indicates emotional emphasis; (at sentence-end, rising tone) indicates question
です
(です)
be; is
か
(か)
indicates a question (sometimes rhetorical); or; whether or not; some- (e.g. something, someone); indicates doubt, uncertainty, etc.; emphatic prefix; suffix forming adjectives or adverbs; in that way