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Davidrock65 Posted 19 years ago
Grammar

if-clause

A) Replace the label if (it is)damaged.
B) You should take her to the hospital if(it is) necessary.
C) She has to buy more celery if (they are)needed.

Are the sentences above correct? I was taught that if the subjects in the main clause and if-clause are the same, the subject in if-clause can be omitted. The subjects in the above sentences are different, why are the subjects in the if-clause omitted?
Thanks millions for help!!
  

Top answer

Davidrock65 A) Replace the label if (it is)damaged. B) You should take her to the hospital if(it is) necessary. C) She has to buy more celery if ( it is )needed.

— Yankee

  • Davidrock65 A) Replace the label if (it is)damaged.
  • B) You should take her to the hospital if(it is) necessary.
  • C) She has to buy more celery if ( it is )needed.
  • Basically, the object (or the whole idea in the predicate) of the first clause becomes the subject ("it") in the if clause.
  • You can look at your sentences like this: A) Replace the label if (it is)damaged.
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1 Answers
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Davidrock65
A) Replace the label if (it is)damaged.
B) You should take her to the hospital if(it is) necessary.
C) She has to buy more celery if (it is)needed.

Basically, the object (or the whole idea in the predicate) of the first clause becomes the subject ("it") in the if clause. You can look at you
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