A: AはBにCを紹介する。

A': A introduces C to B.


How to make C and B (respectively) subjects of passive sentences?

1 Answer 1


"~によって" can be used when ~に is already consumed by the main verb.

  • Cは(Aによって)Bに紹介される。
  • Bは(Aによって)Cを紹介される。
  • Bは(Aに)Cを紹介される。

Note that CはBに紹介される can be ambiguous ("C was introduced by B to someone" vs "C was introduced to B by someone"). 彼に紹介されたレストラン would almost always mean "the restaurant introduced by him." 彼に紹介された人 usually means "a person introduced by him" but may mean "a person introduced to him," depending on the context.

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