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Sentence

彼かれは手伝てつだうと約やく束そくした。

Span Details

手伝てつだう

help; assist; lend a hand

godan verb

quotation, conditional, companion, or and marker

約やく束そく

promise; agreement; one's word; contract

noun, suru verb

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

-> するgrammar

past tense or completed action