中考英语必会的八种时态
<p> </p><p> 时态是英语学习中一个至关重要的内容，广大初中学生在实际运用时，往往对时态总是倍感棘手，下面我们就归纳复习一下這几种时态。</p><p> </p><p> 一、一般现在时：</p><p> </p><p> 概念：经常、反复发生的动作或行为及现在的某种状况。</p><p> </p><p> 时间状语：</p><p> </p><p> <span word="always">always</span>, <span word="usually">usually</span>, <span word="often">often</span>, <span word="sometimes">sometimes</span>, <span word="every">every</span> <span word="week">week</span> (<span word="day">day</span>, <span word="year">year</span>, <span word="month">month</span>)， <span word="once">once</span> <span word="a">a</span> <span word="week">week</span>, <span word="on">on</span> <span word="Sundays">Sundays</span>, <span word="etc">etc</span>。</p><p> </p><p> 基本结构：①<span word="be">be</span>动词；②行为动词</p><p> </p><p> 否定形式：①<span word="am">am</span>/<span word="is">is</span>/<span word="are">are</span>+<span word="not">not</span>;②此时态的谓语动词若为行为动词，则在其前加<span word="dont">dont</span>,如主语为第三人称单数，则用<span word="doesnt">doesnt</span>，同时还原行为动词。</p><p> </p><p> 一般疑问句：①把<span word="be">be</span>动词放于句首；②用助动词<span word="do">do</span>提问，如主语为第三人称单数，则用<span word="does">does</span>，同时，还原行为动词。</p><p> </p><p> 二、一般过去时：</p><p> </p><p> 概念：过去某个时间里发生的动作或状态；过去习惯性、经常性的动作、行为。</p><p> </p><p> 时间状语：<span word="ago">ago</span>, <span word="yesterday">yesterday</span>, <span word="the">the</span> <span word="day">day</span> <span word="before">before</span> <span word="yesterday">yesterday</span>, <span word="last">last</span> <span word="week">week</span>(<span word="year">year</span>, <span word="night">night</span>, <span word="month">month</span>)， <span word="in">in</span> 1989, <span word="just">just</span> <span word="now">now</span>, <span word="at">at</span> <span word="the">the</span> <span word="age">age</span> <span word="of">of</span> 5, <span word="one">one</span> <span word="day">day</span>, <span word="long">long</span> <span word="long">long</span> <span word="ago">ago</span>, <span word="once">once</span> <span word="upon">upon</span> <span word="a">a</span> <span word="time">time</span>, <span word="etc">etc</span>。</p>
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