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Sentence analysis
6Spans
Sentence
Span Details
鍵
key; lock; key (to a problem, success, etc.); cluenoun
は
topic markergrammar
どこか
somewhere; some place; in some way; in some respects; somehow-> 何処かnoun, adverb
に
direction, time, indirect object, or target 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
はずだ。
should; expected togrammar