综合英语（二）

<div> <h2>Basic Sentence Structures</h2> <p>A sentence is a group of words that expresses a complete thought. In English, sentences can be classified into four basic structures:</p> <ul> <li><strong>Simple Sentences:</strong> These consist of one independent clause with a subject and a predicate.</li> <ul> <li><em>Example:</em> John reads books.</li> </ul> <li><strong>Compound Sentences:</strong> These contain two or more independent clauses joined by a conjunction (such as "and", "but", "or").</li> <ul> <li><em>Example:</em> John reads books, but he prefers magazines.</li> </ul> <li><strong>Complex Sentences:</strong> These include an independent clause and one or more dependent clauses. Dependent clauses start with subordinating conjunctions like "although", "because", "if".</li> <ul> <li><em>Example:</em> Although John reads books, he prefers magazines.</li> </ul> <li><strong>Compound-Complex Sentences:</strong> These combine the features of both compound and complex sentences, containing two or more independent clauses and at least one dependent clause.</li> <ul> <li><em>Example:</em> Although John reads books, he prefers magazines, and he often discusses them with his friends.</li> </ul> </ul> </div>

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