The example sentence is:

The Views Framework is a core feature of Ambari and specific Views build on that Framework.

So why it is build, not are built? How meaning would changed if it had been are built instead?

1 Answer 1


"Build(s) upon" tends to mean 'This thing uses that thing and extends and improves it's capabilities.'

On the other hand, "is/are built upon" just means that 'This thing uses that thing, but it doesn't necessarily improve it in any way'.

  • so if I understand you correcly, it should be are built, since Views doesn't improve Framework in any way?
    – aryndin
    Commented May 22, 2017 at 10:01
  • Yes, that seems to make the most sense.
    – etskinner
    Commented May 22, 2017 at 12:18

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