高级英语

<h2>连接词的使用规则</h2> <p>连接词用于连接句子、短语或单词，使语言更加连贯。根据功能不同，连接词主要分为并列连词和从属连词。</p> <h3>1. 并列连词</h3> <p>并列连词用于连接地位相等的句子、短语或单词。常见的并列连词有：and, but, or, so, for, yet, nor。</p> <ul> <li><strong>and</strong>: 表示并列或递进关系。 <ul> <li>She likes reading and writing.</li> </ul> </li> <li><strong>but</strong>: 表示转折关系。 <ul> <li>He is rich, but he is not happy.</li> </ul> </li> <li><strong>or</strong>: 表示选择关系。 <ul> <li>Do you want tea or coffee?</li> </ul> </li> <li><strong>so</strong>: 表示因果关系。 <ul> <li>It was raining, so we stayed inside.</li> </ul> </li> <li><strong>for</strong>: 表示原因或理由。 <ul> <li>He must be ill, for he looks very pale.</li> </ul> </li> <li><strong>yet</strong>: 表示转折关系。 <ul> <li>She tried hard, yet she failed.</li> </ul> </li> <li><strong>nor</strong>: 用于否定句，表示“也不”。 <ul> <li>He doesn’t like sports, nor does he enjoy music.</li> </ul> </li> </ul> <h3>2. 从属连词</h3> <p>从属连词用于引导从句，常见的从属连词有：because, although, if, when, while, since, unless, as, until, before, after, where, whether, that, who, which, whose, what, how, why。</p> <ul> <li><strong>because</strong>: 表示原因。 <ul> <li>I stayed at home because it was raining.</li> </ul> </li> <li><strong>although</strong>: 表示让步关系。 <ul> <li>Although it was late, she continued working.</li> </ul> </li> <li><strong>if</strong>: 表示条件。 <ul> <li>If it rains tomorrow, we will stay inside.</li> </ul> </li> <li><strong>when</strong>: 表示时间。 <ul> <li>When the bell rings, we will start the class.</li> </ul> </li> <li><strong>while</strong>: 表示对比或同时发生。 <ul> <li>While I was reading, she was cooking.</li> </ul> </li> <li><strong>since</strong>: 表示原因或时间。 <ul> <li>Since it is raining, we will stay inside.</li> <li>I have lived here since 2010.</li> </ul> </li> <li><strong>unless</strong>: 表示除非。 <ul> <li>You won’t pass the exam unless you study hard.</li> </ul> </li> <li><strong>as</strong>: 表示原因或时间。 <ul> <li>As it was raining, we stayed inside.</li> <li>As soon as the meeting ended, we left.</li> </ul> </li> <li><strong>until</strong>: 表示到...为止。 <ul> <li>We waited until the bus arrived.</li> </ul> </li> <li><strong>before</strong>: 表示在...之前。 <ul> <li>We will leave before the rain starts.</li> </ul> </li> <li><strong>after</strong>: 表示在...之后。 <ul> <li>After the meeting, we had lunch.</li> </ul> </li> <li><strong>where</strong>: 表示地点。 <ul> <li>This is the place where we first met.</li> </ul> </li> <li><strong>whether</strong>: 表示是否。 <ul> <li>I don’t know whether he will come.</li> </ul> </li> <li><strong>that</strong>: 引导宾语从句或定语从句。 <ul> <li>I believe that he will succeed.</li> <li>The book that I read was very interesting.</li> </ul> </li> <li><strong>who</strong>: 引导定语从句，指人。 <ul> <li>The man who spoke to me was my teacher.</li> </ul> </li> <li><strong>which</strong>: 引导定语从句，指物。 <ul> <li>The book which I read was very interesting.</li> </ul> </li> <li><strong>whose</strong>: 引导定语从句，表示所属关系。 <ul> <li>The woman whose car was stolen called the police.</li> </ul> </li> <li><strong>what</strong>: 引导名词性从句。 <ul> <li>I don’t know what he said.</li> </ul> </li> <li><strong>how</strong>: 表示方式。 <ul> <li>I don’t know how to solve this problem.</li> </ul> </li> <li><strong>why</strong>: 表示原因。 <ul> <li>I don’t know why he left.</li> </ul> </li> </ul>

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