Explore Words Kanji Grammar Guides

Analyzing sentence…

Copyright © 2026 Kotomora. All Rights Reserved.

Get the Kotomora apps for iOS and Android.

Explore Words Kanji Grammar Guides About Support Privacy

Copyright © 2026 Kotomora. All Rights Reserved.

Analyzer

Sentence analysis

6Spans

Sentence

1000 character limit

Sentence

なぜそんなことしたんだ?

Span Details

why; how; for what reason

such; that kind of; like that

pre-noun adjective, interjection

こと

koto; Japanese zither; stringed instrument; zheng; guzheng; Chinese zither

-> 琴noun

light/support verb with a noun or noun-like phrase

-> するgrammar

past tense or completed action

explanatory emphasis

-> のだ/んだgrammar