Each item in this section has a sentence with three parts labelled (a), (b) and (c). Read each sentence to find out whether there is an error in any part and if you find no error, your response should be indicated as (d). Work hard (a)/ lest you do not (b)/ fail. (c)/ No error (d)
b
Identifying Grammar Errors with 'Lest'
The question asks us to find the error in the given sentence or identify if there is no error. The sentence is broken into three parts: (a), (b), and (c).
Let's examine each part of the sentence:
- (a) Work hard
- (b) lest you do not
- (c) fail.
The sentence uses the conjunction 'lest'. It's important to understand the correct usage of 'lest' in English grammar.
Understanding the Usage of 'Lest'
The conjunction 'lest' means "for fear that" or "so that ... not". It is used to introduce a clause indicating a negative purpose or a possibility that one wants to prevent. The key grammatical rule is that 'lest' is followed by the subject and then typically the base form of the verb or 'should' + base form. Because 'lest' itself carries a negative meaning, a negative word like 'not' is not used in the clause that follows 'lest'.
The structure is usually:
Action + lest + Subject + (should) + Base form of verb
Analyzing the Sentence Parts
-
Part (a): Work hard
This part is an imperative sentence, giving a command or strong suggestion. "Work hard" is grammatically correct as a phrase indicating effort.
-
Part (b): lest you do not
This part uses the conjunction 'lest'. According to the rule for 'lest', the clause following it should express what one wants to prevent. The phrase "do not" is a negation. However, 'lest' already includes the idea of "not". Using "do not" after 'lest' creates a double negative and makes the sentence grammatically incorrect and illogical. The intended meaning is "work hard so that you do not fail", which should be expressed as "Work hard lest you fail" or "Work hard lest you should fail".
-
Part (c): fail.
This is the base form of the verb, which is appropriate after the auxiliary 'do' (as used incorrectly in part b) or would be the base form following 'lest you' or 'lest you should'.
Based on the analysis, the error lies in part (b) because of the incorrect use of "do not" after 'lest'. The correct phrasing for part (b) would be simply "lest you" (followed by fail) or "lest you should" (followed by fail).
Therefore, the error is in part (b) of the sentence.
Corrected Sentence
The corrected sentence should be: "Work hard lest you fail." or "Work hard lest you should fail."
The option corresponding to part (b) is the correct answer.
Revision Table: 'Lest' Usage
| Structure | Correct Usage | Incorrect Usage |
|---|---|---|
| Using 'lest' | Work hard lest you fail. | Work hard lest you do not fail. |
| Meaning of 'lest' | So that you do not fail. / For fear that you will fail. | Not applicable (Incorrect construction) |
Additional Information on Negative Conjunctions
Understanding conjunctions that imply negation is crucial for accurate sentence construction. 'Lest' is one such conjunction. Others might imply condition or purpose that inherently suggest a negative outcome if the condition is not met (though they don't use 'not' in the same way as the error with 'lest').
- Lest: Used to prevent something. Always followed by positive verb form (or 'should' + base verb).
- Unless: Means "if not". Followed by a positive verb form, e.g., "You won't pass unless you study hard." (Meaning: If you do not study hard, you won't pass.)
Mixing up the rules for these conjunctions is a common error. Always remember that 'lest' already contains the negative sense, so avoid adding another negation like 'not' or 'don't' after it.
Similar Questions
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