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Sentence

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Sentence

幾いく年ねんもの間あいだ、彼かれはその研けん究きゅうを続つづけてきた。

Span Details

幾いく年ねん

number of years; how many years

の

possession, attribution, nominalizer, or nominal linker

grammar

間あいだ、

period of time; duration; while

noun, adverb, conjunction

pre-noun adjective, interjection

研けん究きゅう

research; study; investigation

noun, suru verb

continue; keep doing; keep up; continue to ...; keep on ...

-> 続けるichidan verb, auxiliary

action or change coming toward the speaker or up to the present

-> てくるgrammar

past tense or completed action