Analyzer
Sentence analysis
11Spans
Sentence
Span Details
この
this; last (couple of years, etc.); these; past; you (as in "you liar")-> 此のpre-noun adjective
研究
research; study; investigationnoun, suru verb
は
topic markergrammar
10
ten; 10; ten years old; poetry anthology (archaic)-> 十numeric
年
year; counter for years; counter for grades; apprenticeship period (usu. ten years)noun, counter
に
direction, time, indirect object, or target markergrammar
渡っ
cross over; go across; extend; span; cover; range-> 渡るgodan verb
て
connective te-formgrammar
行わ
perform; carry out; conduct; do-> 行うgodan verb
れ
passive, potential, or respect auxiliary-> れる/られるgrammar
た。
past tense or completed actiongrammar