Analyzer
Sentence analysis
8Spans
Sentence
Span Details
彼
he; him; boyfriendpronoun
は
topic markergrammar
読書
reading (books)noun, suru verb
に
direction, time, indirect object, or target markergrammar
没入
being absorbed; immersion; sinking into; submersionnoun, suru verb
し
light/support verb with a noun or noun-like phrase-> するgrammar
てい
ongoing or resultant state-> ているgrammar
た。
past tense or completed actiongrammar