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Sentence

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Sentence

その研けん究きゅうは数すう年ねんにわたって行おこなわれた。

Span Details

pre-noun adjective, interjection

研けん究きゅう

research; study; investigation

noun, suru verb

は

topic marker

grammar

数すう年ねん

several years; a few years

にわたって

throughout; over a period of; spanning

行おこなわ

perform; carry out; conduct; do

-> 行うgodan verb

passive, potential, or respect auxiliary

-> れる/られるgrammar

past tense or completed action