Analyzer
Sentence analysis
13Spans
Sentence
Span Details
彼
he; him; boyfriendpronoun
の
possession, attribution, nominalizer, or nominal linkergrammar
先駆的
pioneering; trailblazing; path-breakingna-adjective
な
adnominal form of the copula after a na-adjectivegrammar
研究
research; study; investigationnoun, suru verb
が
subject markergrammar
この
this; last (couple of years, etc.); these; past; you (as in "you liar")-> 此のpre-noun adjective
分野
field; area; domain; branchnoun
の
possession, attribution, nominalizer, or nominal linkergrammar
基礎
foundation; basis; fundamentalsnoun, no-adjective
を
object markergrammar
築い
build; construct; erect; build up; establish; lay (a foundation)-> 築くgodan verb
た。
past tense or completed actiongrammar