whether (or not)是否 is a formal, written is or isn't是不是 — "whether (or not)." It forms or embeds a yes-no question, before a verb or adjective.
Structure: 是否 + Verb / Adjective
please请confirm确认the details信息whether是否correct正确。
Please confirm whether the details are correct.
your你parents父母whether是否agree to同意you你们living住together在一起?
Do your parents agree to you living together?
to take note of注意: whether (or not)是否 = written language書面語の「is or isn't是不是」("whether")。 see 胡同同じfunction機能をto hold持つが、フォーマルなgenre of writing文体。document文書やto inform報告book書ではnature自然だが、チャットではhard硬く(そのsituation場合は is or isn't是不是 をto make使う)。
Watch out
- verb動詞・to describe形容word詞のfront前にto install置かれる: whether (or not)是否correct正确、and / but而no不是 correct正确whether (or not)是否(「…or not」のhorse's tail尾は whether or not (at the end…与否、that level or lower以下to consult a reference参照)。