shown

From Middle English schauen, schewen (past participle), alternative form of schawid, schewed, past participle of Middle English schewen (“to show”). Morphologically equivalent to show +‎ -n.

• (UK) IPA^(key): /ˈʃəʊn/
• (US) IPA^(key): /ˈʃoʊn/

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  • Rhymes: -əʊn
  • Homophone: shone (one pronunciation)

shown

1. past participle of show

   I had shown him the report already.

   The report had already been shown to him.

• Garner's Modern American Usage favors shown over showed as past participle and claims it is mandatory for passives. In other forms of English shown is the only correct past participle.