Advanced Sentence Construction and Agreement

Analytical and persuasive writing depends on sentences that can hold several related ideas in tension without losing clarity or grammatical control. At this stage, the goal is not simply to identify a compound-complex sentence but to construct one deliberately, choosing where to place emphasis, and to keep pronouns and verbs agreeing correctly even when several clauses separate a subject from its verb. This lesson refines the compound-complex frame introduced earlier and applies it to the demands of essay-level argument.

A compound-complex sentence joins at least two independent clauses with a coordinating conjunction while embedding one or more dependent clauses. In analytical writing, the choice of where to embed a dependent clause is a rhetorical decision: placing a concession early signals that the writer has anticipated a counterargument, while placing a causal clause late reinforces the sentence's final claim.

Consider this sentence built for an argumentative essay: "Although the committee had reviewed the initial proposal, the board members, who represented divergent constituencies, rejected the amendment, and they demanded a revised framework that addressed community concerns." Here, an adverbial clause of concession opens the sentence, an adjectival clause interrupts the first independent clause to qualify its subject, a coordinating conjunction joins two independent clauses, and a final noun clause closes the sentence. Managing this many moving parts requires the same clause-level control developed in Complex Sentence Structure and Agreement, extended here across coordinated independent clauses.

When a sentence embeds multiple clauses, the grammatical subject of a verb can sit several words, or even an entire clause, away from that verb. Writers must trace agreement back to the true subject rather than to whichever noun happens to sit nearest the verb.

Several patterns demand particular attention. Indefinite pronouns such as each, everyone, neither, and either take a singular verb no matter how many plural nouns intervene: "Each of the analysts who reviewed the quarterly reports was troubled by the discrepancy." Correlative conjunctions such as either or, neither nor, and not only but also require agreement with whichever subject sits closer to the verb: "Neither the analysts nor the committee chair, who had reviewed dozens of reports, was prepared for the reversal." Collective nouns shift between singular and plural depending on whether the group acts as one unit or as separate individuals, and gerund phrase subjects, such as "reviewing the evidence carefully," always take a singular verb because the phrase itself functions as a single idea.

Because embedded clauses often insert their own subject and verb between the main subject and its verb, a reliable strategy is to mentally remove every dependent clause and prepositional phrase first, then check that the remaining skeletal subject and verb agree before restoring the full sentence.

Compound-Complex Sentence: A sentence with at least two independent clauses and one or more dependent clauses joined by coordinating and subordinating conjunctions.

Clause Embedding: The placement of a dependent clause inside, rather than beside, an independent clause it modifies.

Correlative Conjunction: Paired connectors such as either or and neither nor that link balanced sentence elements and govern agreement with the nearer subject.

Indefinite Pronoun: A pronoun such as each, everyone, or neither that stands for an unspecified person or thing and typically takes a singular verb.

Antecedent: The noun or pronoun that a later pronoun refers back to in a sentence.

Collective Noun: A noun referring to a group as a single unit or as individual members, which changes whether it takes a singular or plural verb.

Proximity Rule: The principle that a verb agrees with whichever subject is nearer to it in a sentence joined by or or nor.

Working from paragraphs of published argumentative writing, students isolate each compound-complex sentence, map its independent and dependent clauses, and explain why the writer chose that particular arrangement rather than a simpler alternative. Revision exercises take a set of short, simple sentences from a persuasive draft and require students to combine them into a single compound-complex sentence that preserves precise agreement.

Peer editing focuses specifically on agreement errors that hide inside embedded clauses, prepositional phrases, and correlative constructions, since these are the errors that survive a quick read-through of a draft but weaken its credibility on closer inspection.

Related lessons

• Syntax compound complex sentences pronoun verb agreement