Question
Brimstone is easily burned without any extraneous help;
(A)/indeed the only precaution required is (B)/to take care lest the heat produced by (C)/the burning sulphur shall not volatilize (D)/part of it in the unburned state (E). Directions: In each question given below, a sentence is divided into 5 parts and one part of the sentence has an error. You have to choose from the given options, the part that contain the error.Solution
When the subordinate clause comes after 'lest', the auxiliary Verb 'should' must be used, whatever be the Tense of the Verb in the main clause. So here, ‘shall’ is to be changed to ‘should’. Brimstone is easily burned without any extraneous help; indeed the only precaution required is to take care lest the heat produced by the burning sulphur should not volatilize part of it in the unburned state.
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