I believe there is a misprint here. It should be prescribed a drug at a dosage too low to be effective ______ prescribed a drug at a dosage that was low to be effective won't work. You must retain too .
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CliveHi,
Will this sentence be grammatically all right if I change red text to drug at a dosage that was too low to be effective.
Yes, this is OK, but the words 'that was' can be omitted if you wish.
Clive
But first part of the sentence is on conditional progressive tense So can we use was:
Is there any difference between f