Analyzer
Sentence analysis
7Spans
Sentence
Span Details
誰
whopronoun
か
question or alternative markergrammar
が
subject markergrammar
裏口
back door; rear entrance; backdoor; illicit; unauthorizednoun, no-adjective
に
direction, time, indirect object, or target markergrammar
こっそり
stealthily; secretly; on the slyadverb
いる。
be; exist; stay; be ...-ing; have ...-ed; be ...-ed-> 居るichidan verb, auxiliary