Analyzer
Sentence analysis
10Spans
Sentence
Span Details
彼
he; him; boyfriendpronoun
の
possession, attribution, nominalizer, or nominal linkergrammar
研究
research; study; investigationnoun, suru verb
は
topic markergrammar
既成
established; existing; ready-madeno-adjective, noun
理論
theorynoun
を
object markergrammar
覆す
overturn; capsize; upset; overthrow; topple; reverse; disprovegodan verb
もの
thing; object; stuff; one's things; possessions; belongings; things; something; anything; everything; nothing; quality; reason; the way of things; formal noun for emphasis, tendency, or obligation; item classified as ...; item related to ...; work in the genre of ...; cause of ...; cause for ...; somehow; somewhat; for some reason; really; truly-> 物noun, noun suffix, prefix
者ものperson; someone of a certain type
だった。
past copulagrammar