Analyzer
Sentence analysis
8Spans
Sentence
Span Details
研究
research; study; investigationnoun, suru verb
の
possession, attribution, nominalizer, or nominal linkergrammar
方向
direction; orientation; bearing; course; way; pathnoun
を
object markergrammar
変える
change; alter; transform; reform; revise; amendichidan verb
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