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had developed

  • past perfect
    of develop.
    develop
    verb (used with object)
    to bring out the capabilities or possibilities of; bring to a more advanced or effective state.

Example Sentences

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Early in his career, he had developed an investment strategy based on the idea that there were patterns in markets, and that they didn’t behave completely randomly.

From The Wall Street Journal Aug. 21, 2026

The company had developed the Hydromax car in an attempt to set a new record for a hydrogen-powered vehicle.

From BBC Aug. 12, 2026

Scientists at the Max Planck Institute for Marine Microbiology had developed methods sensitive enough to detect very small amounts of RNA in bacterial cells.

From Science Daily Aug. 5, 2026

In his first police interview, Bush said he had developed a cash-flow problem because "people did not always pay," and he had debts of about £90,000.

From Barron's Jul. 27, 2026

I believed he was naturally a man of better tendencies, higher principles, and purer tastes than such as circumstances had developed, education instilled, or destiny encouraged.

From "Jane Eyre" by Charlotte Brontë