Analyzer
Sentence analysis
8Spans
Sentence
Span Details
彼
he; him; boyfriendpronoun
は
topic markergrammar
一心不乱
wholeheartedly; single-mindedly; with intense concentrationna-adjective, noun
に
direction, time, indirect object, or target markergrammar
働い
work; labor; function; operate; be effective; come into play; commit; perpetrate; do wrong; be conjugated-> 働くgodan verb
て、
connective te-formgrammar
昇進
promotion; advancement; rising in ranknoun, suru verb
した。
light/support verb with a noun or noun-like phrase-> するgrammar