中考英语语法讲解资料及练习：时态（一）
<p> 提起时态，当然是指动词的时态啦。过去、现在和未来等不同时间段发生的事情要用不同的时态来表示。时态是动词的一种形式，表示动作或状态发生或存在的时间和方式。闭上眼睛想一想，初中我们学过的时态有几个? 初中我们共学过八种时态。本讲将这几个时态总体介绍一下:</p><p> 一般现在时：常与<span word="always">always</span>,<span word="often">often</span>,<span word="sometimes">sometimes</span>, <span word="every">every</span> <span word="day">day</span>连用，表示习惯或经常反复发生的动作或存在的状态。提醒你当第三人称单数做主语时，别忘了动词的变化。注意：象地球大，月亮小等客观真理、事实一定用一般现在时。</p><p> 现在进行时：要注意其构成：由<span word="be">be</span>+动词+<span word="ing">ing</span>,表示说话时正在进行的动作。如：<span word="Were">Were</span> <span word="studying">studying</span> <span word="now">now</span>. 我们现在正在学习。</p><p> 一般过去时：表示过去某个时间发生的动作或存在的状态，常与<span word="yesterday">yesterday</span>,<span word="last">last</span> <span word="year">year</span>,<span word="in">in</span> 1949,<span word="two">two</span> <span word="years">years</span> <span word="ago">ago</span>,等表示过去时间的状语连用。注意：<span word="We">We</span> <span word="often">often</span> <span word="went">went</span> <span word="to">to</span> <span word="dance">dance</span> <span word="last">last</span> <span word="summer">summer</span>.有的同学一见到<span word="often">often</span>就想到用一般现在时，其实因为后面有表示过去时间的 <span word="last">last</span> <span word="summer">summer</span>,所以要用过去式，千万别误用了，切记，切记。</p><p> 过去进行时：显然过去进行时表示过去某一时刻正在做什么，常和特定的时间状语如<span word="at">at</span> <span word="that">that</span> <span word="time">time</span>，<span word="at">at</span> <span word="six">six</span> <span word="yesterday">yesterday</span>，<span word="at">at</span> <span word="that">that</span> <span word="moment">moment</span>，<span word="when">when</span> <span word="he">he</span> <span word="came">came</span> <span word="in">in</span>等连用。如： <span word="When">When</span> <span word="he">he</span> <span word="knocked">knocked</span> <span word="at">at</span> <span word="the">the</span> <span word="door">door</span>,<span word="his">his</span> <span word="mother">mother</span> <span word="was">was</span> <span word="cooking">cooking</span>.</p>
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