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Sentence analysis
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Sentence
Span Details
開闢以来、
since the beginning of the world; since the dawn of historynoun, adverb
人類
mankind; humanitynoun
は
topic markergrammar
進歩
progress; advance; improvement; developmentnoun, suru verb
を
object markergrammar
続け
continue; keep doing; keep up; continue to ...; keep on ...-> 続けるichidan verb, auxiliary
てき
change continuing toward the present point-> てくるgrammar
た。
past tense or completed actiongrammar