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Anonymous Posted 18 years ago
Grammar

tense

How is it different?

When it is open, run to the back of the room. -- I think this is the case of using the word 'open' as an adjective
When it is opened, run to the back of the room.
  

Top answer

"it is open" describes its state ("open" is an adjective, as you say). "it is opened" describes the action of someone (or something) opening it ("opened" is a passive verb form). " means "As soon as it is open".

  • "it is open" describes its state ("open" is an adjective, as you say).
  • "it is opened" describes the action of someone (or something) opening it ("opened" is a passive verb form).
  • " means "As soon as it is open".
  • In that case, someone or something must have opened it at that time.
  • However, more generally, "When it is open" does not need to imply this.
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2 Answers
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"it is open" describes its state ("open" is an adjective, as you say).

"it is opened" describes the action of someone (or something) opening it ("opened" is a passive verb form).

In your sentences the difference is not so great because the implication is that "When it is open..." means "As soon as it is open". In that case, someone or something must have opened it at that time. H
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Thank you, Mr. M.

This is a tense question on your sentence.
You wrote:
It could be used in relation to something that you might find in an "open" state, regardless of how long ago, if at all, it had actually been "opened".

Could it be "it has actually been "opened," rather than "it had actually been "opened"? I must say, as it looks to me, "it had actually been 'opened'

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