The correct option to complete the sentence "You .... to know better than an illiterate farmer" is
B. are supposed.
Step-by-Step Explanation:
- Understanding the Sentence Structure:
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The sentence is addressing someone (you) and is implying an expectation or belief about their knowledge in comparison to an illiterate farmer. The phrase "are supposed to" indicates a general expectation or assumption about someone's abilities or knowledge.
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Analyzing the Options:
- A. are suppose: This option is grammatically incorrect. The verb "suppose" needs to be in the past participle form "supposed" when used with "are" to indicate an expectation.
- B. are supposed: This is the correct form. "Are supposed to" is a phrase that conveys that there is an expectation that you should know something. It fits perfectly in the context of the sentence.
- C. suppose: This option is incorrect because "suppose" is a simple present tense verb. It does not convey the sense of expectation that is needed in this context. It would imply that you actively think or believe something, rather than that there is an expectation for you to know something.
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D. have supposed: This option is also incorrect. "Have supposed" is in the present perfect tense, which indicates an action that was completed at some point in the past and is not suitable for expressing an ongoing expectation.
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Why Option B is Correct:
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"Are supposed to" is a common English expression used to indicate that there is a general belief or expectation about someone's knowledge or behavior. In this case, it suggests that it is expected for you to have more knowledge than an illiterate farmer, which aligns with the context of the sentence.
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Common Pitfalls:
- A common mistake is confusing the forms of the verb "suppose." Remember that "supposed" is the correct form when used with "are" to indicate expectation.
- Another pitfall is misunderstanding the context of the sentence. It is important to recognize that the sentence is not about what you think (which would use "suppose") but rather about what is expected of you.
Revision Summary:
- The correct answer is B. are supposed.
- "Are supposed to" indicates an expectation about knowledge or behavior.
- Options A, C, and D are grammatically incorrect or do not fit the context.
- Always check verb forms and their appropriate usage in sentences to avoid common mistakes.