Learn English Irregular Verbs - Undertake

undertake /ˌʌndəˈteɪk/

  • 1 to begin or attempt to do something, especially something that will take a long time or be difficult:

    It seems likely that I will undertake the expedition that has been on my mind for some days.
    The company undertook a full investigation into the accident.
    Most young people had undertaken a single post-school program, but about one-third enrolled in a second award.

  • 2 to promise or agree that you will do something:

    The government undertook that the park will remain intact.
    She will undertake to pay the money back in two months.

Past simple

  • undertook  /ˌʌndəˈtʊk/

  • undertaked

Past participle

  • undertaken  /ˌʌndəˈteɪkən/

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