私は弟の宿題を手伝う約束をした。

Sentence Analyzer

私は弟の宿題を手伝う約束をした。

English Translation

I promised to help my brother with his homework.

Furigana

私(わたし)は弟(おとうと)の宿題(しゅくだい)を手伝(てつだ)う約束(やくそく)をした。

Romanji

Watashi wa otōto no shukudai o tetsudau yakusoku o shita.

Words

私 (わたし、わたくし)

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

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

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

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.

手伝う (てつだう)

to help; to assist; to aid; to contribute to; to be a factor in

約束 (やくそく)

promise; agreement; arrangement; one's word; contract; pact; appointment; engagement; date; convention; rule; destiny; fate

為る (する)

to do; to cause to become; to make (into); to turn (into); to serve as; to act as; to work as; to wear (clothes, a facial expression, etc.); to judge as being; to view as being; to think of as; to treat as; to use as; to decide on; to choose; to be sensed (of a smell, noise, etc.); to be (in a state, condition, etc.); to be worth; to cost; to pass (of time); to elapse; verbalizing suffix (applies to nouns noted in this dictionary with the part of speech "vs"); creates a humble verb (after a noun prefixed with "o" or "go"); to be just about to; to be just starting to; to try to; to attempt to