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Sentence analysis
8Spans
Sentence
Span Details
この
this; last (couple of years, etc.); these; past; you (as in "you liar")-> 此のpre-noun adjective
マットレス
mattress; mattress pad (under a futon)noun
は
topic markergrammar
ポリウレタン
polyurethanenoun
で
location, means, or scope markergrammar
でき
can; be able to; be possible; be good at; do well; be proficient; come into existence; form; appear; be born; get (a friend, free time, etc.); be made; be built; be completed; be ready; grow (crops); be produced; be mature; be well-balanced; be of fine character; be by nature; be born ...; become involved (sexually); become intimate; take up with; get pregnant-> 出来るichidan verb
てい
ongoing or resultant state-> ているgrammar
ます。
polite non-pastgrammar