I know that open is an ergative verb and it can be used transitively and intransitively and open is also an adjective.

The school opens at 10 A.M and closes at 5 P.M.

The school is opened at 10 A.M and is closed at 5 P.M.

The school is open from 10 A.M to 5 P.M.

I think all the sentences are possible and grammatical.If they are wrong, why are they wrong?

I would like to know if any one of these sentences is wrong or is there any difference among them?

  • 1
    I for one think the first two are incorrect - unidiomatic at best. The third is fine.
    – AIQ
    Oct 23, 2019 at 1:42
  • The school "opens" at 10 am and remains open till 5 pm.
    – AIQ
    Oct 23, 2019 at 1:43
  • The second is a bit strange - is opened?
    – AIQ
    Oct 23, 2019 at 1:44
  • @AIQ.I have edited my question.Even though my question, I would like to have an answer for my question Oct 23, 2019 at 4:33
  • After your edit, all three are grammatical and possible depending on the context. We often hear 1 and 3 - they are common usage. The second needs a special context - I can't think of a scenario at the moment where I would use (2) over (1).
    – AIQ
    Oct 23, 2019 at 4:50

1 Answer 1


All three sentences are grammatically correct and would be understood by an English speaker.
The second one is far less common, because it implies focus on the act of opening and closing.

If all you're trying to communicate is when the school will be open, use the first or third sentence.
If you have a reason to convey exactly when the change happens from closed to opened (and vice versa), use the second form.

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