私が帰宅したときには、弟は宿題を済ませていた。

Sentence Analyzer

English Translation

When I returned home, my brother had done his homework.

Furigana

私(わたし)が帰宅(きたく)したときには、弟(おとうと)は宿題(しゅくだい)を済(す)ませていた。

Romanji

Watashi ga kitakushita tokini wa, otōto wa shukudai o sumaseteita.

Words

私 (わたし、わたくし)

I; me; private affairs; personal matter; secrecy; selfishness

が (が)

indicates sentence subject (occasionally object); indicates possessive (esp. in literary expressions); but; however; still; and

帰宅 (きたく)

returning home

時に (ときに)

by the way; incidentally; sometimes; occasionally

は (は)

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

弟 (おとうと、おと、おとと、てい)

younger brother; little brother; kid brother; pupil; apprentice

宿題 (しゅくだい)

homework

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.

済ませる (すませる)

to finish; to make an end of; to get through with; to let end