Analyzer
Sentence analysis
11Spans
Sentence
Span Details
彼
he; him; boyfriendpronoun
の
possession, attribution, nominalizer, or nominal linkergrammar
研究
research; study; investigationnoun, suru verb
は
topic markergrammar
亀の歩み
slow and steady paceexpression, noun
だ
plain copulagrammar
が、
but; thoughgrammar
確実
certain; sure; reliable; definitena-adjective, noun
に
adverbial form after a na-adjectivegrammar
進ん
advance; go forward; move ahead; precede; go ahead; lead; make progress; improve; deepen; heighten; intensify; be fast (clock); be ahead; gain time; do willingly; do of one's own accord-> 進むgodan verb
でいる。
ongoing or resultant state-> ているgrammar