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had been partnering

  • past perfect progressive
    of partner.
    partner
    noun
    a person who shares or is associated with another in some action or endeavor; sharer; associate.

Example Sentences

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See Examples For:

Lopez and Martinez started working with Burzaco in 2011, when Fox International Channels took over the South American sports network that had been partnering with Torneos on the Copa Libertadores broadcasts.

From Seattle Times Jan. 17, 2023

By the summer of 2020, Rainey had been partnering with the veteran Minneapolis producer Andrew Broder for a year, trying but failing to find a fitting modern context for his songs and samples.

From New York Times Aug. 15, 2022

And Moderna, which had been partnering with NIH, used the design and built an mRNA vaccine around it.

From Scientific American Oct. 26, 2021