淳子は今夜数学を勉強しなければならないだろう。

Sentence Analyzer

English Translation

Junko will have to study math tonight.

Furigana

淳子(じゅんこ)は今夜(こんや)数学(すうがく)を勉強(べんきょう)しなければならないだろう。

Romanji

Junko wa kon'ya sūgaku o benkyōshinakerebanaranai darou.

Words

は (は)

topic marker particle; indicates contrast with another option (stated or unstated); adds emphasis

今夜 (こんや)

this evening; tonight

数学 (すうがく)

mathematics; arithmetic

を (を)

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.

勉強 (べんきょう)

study; diligence; discount; reduction

だ (だ)

be; is; indicates past or completed action; indicates light imperative