めいしく
noun phrase; NP
Noun
「five minutes」って名詞句めいしくでいいんですよね?
It's OK to think of 'five minutes' as a noun phrase, right?
このような名詞句めいしくを隠かくれ疑問文ぎもんぶん(concealed question)といいます。
This type of noun phrase is called a "concealed question".