they’d - definition and synonyms

short form 

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/ðeɪd/
  1. 1
    the usual way of saying or writing ‘they would’. This is not often used in formal writing

    They said they’d be happy to help.

  2. 2
    the usual way of saying or writing ‘they had’ when ‘had’ is an auxiliary verb. This is not often used in formal writing

    He knew they’d met somewhere before.