誰かが帽子を忘れていった。

Sentence Analyzer

帽子 忘れていった

English Translation

Somebody has left his hat.

Furigana

(だれ)かが帽子(ぼうし)(わす)れていった。

Romanji

Dare ka ga bōshi o wasureteitta.

Words

(だれ、たれ、た)
who
()
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
()
indicates sentence subject (occasionally object); indicates possessive (esp. in literary expressions); but; however; still; and
帽子 (ぼうし)
hat; cap
()
indicates direct object of action; indicates subject of causative expression; indicates an area traversed; indicates time (period) over which action takes place; indicates point of departure or separation of action; indicates object of desire, like, hate, etc.
忘れる (わすれる)
to forget; to leave carelessly; to be forgetful of; to forget about; to forget (an article)

Kanji

Readings: スイ、 だれ、 たれ、 た
Meanings: who, someone, somebody
Readings: ボウ、 モウ、 ずきん、 おお.う
Meanings: cap, headgear
Readings: シ、 ス、 ツ、 こ、 -こ、 ね
Meanings: child, sign of the rat, 11PM-1AM, first sign of Chinese zodiac
Readings: ボウ、 わす.れる
Meaning: forget