Which preposition to use with taen

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The intermediate classthat is, leddies and gentlemen in generalare no worth the Muse's while; for their life is made up chiefly o' mainners, mainners,mainners;you canna see the human creters for their claes; and should ane o' them commit suicide in despair, in lookin' on the dead body, you are mair taen up wi' its dress than its decease.

Which preposition to use with  taen