Analyzer
Sentence analysis
9Spans
Sentence
Span Details
この
this; last (couple of years, etc.); these; past; you (as in "you liar")-> 此のpre-noun adjective
問題
question; problem (on a test); problem; issue; matter; doubt; public discussion; controversy; trouble; difficulty; inconveniencenoun
を
object markergrammar
詳しく
in detail; fully; at lengthadverb
研究
research; study; investigationnoun, suru verb
する
light/support verb with a noun or noun-like phrasegrammar
必要
necessary; needed; essential; necessity; need; requirementna-adjective, noun
が
subject markergrammar
ある。
be; exist; have; possess; there is available; be located; be situated; be equipped with; have as a facility or feature; happen; take place; come about; be in a completed state; be left as done-> 有るgodan verb, auxiliary