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Sentence analysis
6Spans
Sentence
Span Details
主だった
chief; leading; prominent; principal; main; importantpre-noun adjective
理由
reason; grounds; motivenoun
は
topic markergrammar
三つ
three; three years oldnumeric, noun
あり
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
ます。
polite non-pastgrammar