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Huskar Posted 13 years ago
Grammar

Ralative clause.

Hi everyone! I came across a sentence like this:
Relative humidity is the amount of water vapor the air contains at a certain temperature compared with the amount it could hold at that temperature.

I doubt that there are some relative pronouns that are omitted.

Relative humidity is the amount of water vapor (that) the air contains at a certain temperature (that is )compared with the amount (that) it could hold at that temperature.

Can it be?
  

Top answer

You can include the that/that is , or not, as you prefer.

— Blue Jay

  • You can include the that/that is , or not, as you prefer.
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8 Answers
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You can include the that/that is, or not, as you prefer.
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So I am right?
I thought it could not be more than one relative pronoun in a sentence before.
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Looking at it again I realize that the that's are optional, but the that is in the middle will not work at all.
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So What was omitted in the middle?
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huskarCan it be?
Yes. I would leave that is implied, though.
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I don't think anything is missing, although you could put in as.
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Relative humidity is the amount of water vapor the air contains at a certain temperature compared with the amount it could hold at that temperature.

It looks like a reduced clause to me, like The second piece (that was) played by the orchestra was well received.
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