"the protein levels that had decreased by drug A"

English grammar questions, answered by Alan

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coconutgrove
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"the protein levels that had decreased by drug A"

Post by coconutgrove »

Help! Which is grammatically correct?

"The protein levels that had decreased by Drug A were subsequently increased by Drug B"

"The protein levels that had been decreased by Drug A were subsequently increased by Drug B"

Is the first sentence wrong?
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Alan
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Re: "the protein levels that had decreased by drug A"

Post by Alan »

Yes, only the second is (completely) correct.
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