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Sentence analysis
7Spans
Sentence
Span Details
年をとる
grow old; ageexpression, verb
と
quotation, conditional, companion, or and markergrammar
知的能力
intellectual ability; mental facultiesnoun
が
subject markergrammar
低下
fall; decline; drop; deteriorationnoun, suru verb
する
light/support verb with a noun or noun-like phrasegrammar
ことがある。
have done (something); something has occurred; sometimes; there are times when-> 事があるexpression, verb