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Park sang joon Posted 11 years ago
Grammar

A missing verb "is"

Once researchers knew how curare worked, they were in a better position to figure out how it might be used to more beneficial ends. However, researchers were reluctant to experiment with curare imported from South America. Its strength varied, and one could never be sure how strong a dosage to use.
[Source: Reading for Results Ninth Edition by Laraine Flemming]
I think the verb "is" is missing at the end of the text.
And I was wondering whether it is a mistake of the author or I am short of English skill.
  

Top answer

Actually it's correct as written. Probably you know that "one could never be sure how much to use" is correct. The sentence you quote is roughly similar, but the pattern "how adj.

  • Actually it's correct as written.
  • Probably you know that "one could never be sure how much to use" is correct.
  • The sentence you quote is roughly similar, but the pattern "how adj.
  • a noun" is inserted instead of "how much".
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5 Answers
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Actually it's correct as written. Probably you know that "one could never be sure how much to use" is correct. The sentence you quote is roughly similar, but the pattern "how adj. a noun" is inserted instead of "how much".
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Thank you, GPY, for giving me another kind answer.Emotion: smile
I'm so sorry; I know the usage of "how to use," but I don't know it of "how m
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"how much to use" ~ how much I/you/one/etc. should use
"how strong a dosage to use" ~ how strong a dosage I/you/one/etc. should use
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I'm sorry for my belated question, but I'd like to ask you one more question.

1. At that time, I didn't know what medicine to prescribe to the sanke-bited boy.
2. I didn't know how slowly to operate the machine.
I'd like to know if I have rightly written the sentences above.
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1. Should be "snake-bitten". I feel in two minds about using "snake-bitten" before a noun, but it seems that people do. Probably I would write "the boy who had been bitten by a/the snake".

2. Correct. Consider whether you should say "how slowly" or "how quickly".

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