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In advanced English syntax and concord, determining the correct predicate form in complex structures often depends on structural proximity, collective noun semantics, and coordinated subjects modified by distributive determiners. Consider the following intricate sentences containing potential subject-verb agreement anomalies:I. "Every scientist, along with their respective research associates and lab technicians, are expected to submit the final progress report by Friday afternoon."II. "Neither the principal investigator nor the lead postdoctoral fellows were able to reconcile the contradictory datasets retrieved from the remote sensor."III. "The data accumulated across the multi-year longitudinal study overwhelmingly confirms the initial hypothesis regarding climatic shifts."IV. "More than one diplomatic envoy has expressed profound skepticism concerning the viability of the proposed bilateral trade pact."Identify the option that correctly evaluates the grammatical acceptability and subject-verb agreement of propositions I, II, III, and IV according to standard English grammar.
✓ Correct! Well done.
✗ Not quite — the correct answer is highlighted above.
Detailed Explanation
To determine the correct evaluation, let's analyze each proposition under standard English Wikipedia Reference:
• **Proposition I is INCORRECT:** In the sentence "Every scientist, along with their respective research associates and lab technicians, are expected...", the subject is modified by the distributive determiner 'Every', which is grammatically singular. Phrases introduced by prepositional modifiers like 'along with', 'together with', or 'as well as' do not form a compound subject; thus, the predicate must be singular ('is expected'). Furthermore, the pronoun 'their' creates further agreement tension, though the primary syntactic error lies with the plural verb 'are'.
• **Proposition II is CORRECT:** According to the rule of proximity (or the principle of nearest), when subjects are connected by 'neither... nor', the verb agrees with the subject closest to it. Here, the closest subject is 'the lead postdoctoral fellows', which is plural, correctly licensing the plural verb 'were'.
• **Proposition III is CORRECT:** While 'data' is historically the plural form of 'datum', in modern standard English—particularly in scientific and academic discourse—it is widely accepted and treated as an uncountable singular mass noun, licensing the singular verb 'confirms'.
• **Proposition IV is CORRECT:** The construction 'More than one', despite expressing a plural semantic quantity, grammatically governs a singular noun ('diplomatic envoy') and subsequently takes a singular verb ('has expressed').
Therefore, propositions II, III, and IV are acceptable, while proposition I contains an agreement error.
• **Proposition I is INCORRECT:** In the sentence "Every scientist, along with their respective research associates and lab technicians, are expected...", the subject is modified by the distributive determiner 'Every', which is grammatically singular. Phrases introduced by prepositional modifiers like 'along with', 'together with', or 'as well as' do not form a compound subject; thus, the predicate must be singular ('is expected'). Furthermore, the pronoun 'their' creates further agreement tension, though the primary syntactic error lies with the plural verb 'are'.
• **Proposition II is CORRECT:** According to the rule of proximity (or the principle of nearest), when subjects are connected by 'neither... nor', the verb agrees with the subject closest to it. Here, the closest subject is 'the lead postdoctoral fellows', which is plural, correctly licensing the plural verb 'were'.
• **Proposition III is CORRECT:** While 'data' is historically the plural form of 'datum', in modern standard English—particularly in scientific and academic discourse—it is widely accepted and treated as an uncountable singular mass noun, licensing the singular verb 'confirms'.
• **Proposition IV is CORRECT:** The construction 'More than one', despite expressing a plural semantic quantity, grammatically governs a singular noun ('diplomatic envoy') and subsequently takes a singular verb ('has expressed').
Therefore, propositions II, III, and IV are acceptable, while proposition I contains an agreement error.
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