Analyzer
Sentence analysis
10Spans
Sentence
Span Details
彼
he; him; boyfriendpronoun
は
topic markergrammar
高度
altitude; height; elevation; advanced; high-level; sophisticatednoun, na-adjective
な
adnominal form of the copula after a na-adjectivegrammar
数学
mathematicsnoun
の
possession, attribution, nominalizer, or nominal linkergrammar
問題
question; problem (on a test); problem; issue; matter; doubt; public discussion; controversy; trouble; difficulty; inconveniencenoun
を
object markergrammar
解い
untie; unfasten; undo; unsew; unstitch; solve; work out; answer; dispel; clear up; remove (suspicion); cancel; lift; release; comb; untangle (hair)-> 解くgodan verb
た。
past tense or completed actiongrammar