英语语法强调句知识点：当心假强调句考点
<p> 【导语】英语语法让很多学生都头疼，因为复杂难懂的句式和词组有时难以记忆。英语网为大家整理了英语语法大全，希望对同学们的英语语法学习有所帮助。更多内容尽在英语网。</p><p> 有这样一道题，它是考查强调句吗?</p><p> <span word="It">It</span> <span word="was">was</span> 9 <span word="oclock">oclock</span> __________ <span word="he">he</span> <span word="came">came</span> <span word="back">back</span> <span word="last">last</span> <span word="night">night</span>.</p><p> <span word="A">A</span>. <span word="that">that</span> <span word="B">B</span>. <span word="when">when</span> <span word="C">C</span>. <span word="since">since</span> <span word="D">D</span>. <span word="this">this</span></p><p> 此题应选 <span word="B">B</span>。容易误选 <span word="A">A</span>，误认为这是强调句型。假若这里填 <span word="that">that</span>，构成强调句型，那么被强调的 9 <span word="oclock">oclock</span> 是什么成分呢(注意它不能作状语)?但是若在 9 <span word="oclock">oclock</span> 前加一个介词(<span word="at">at</span>，<span word="after">after</span>，<span word="before">before</span>等)，则可以填 <span word="that">that</span> 构成强调句。</p><p> 试比较：</p><p> <span word="It">It</span> <span word="was">was</span> <span word="at">at</span> <span word="ten">ten</span> <span word="oclock">oclock</span> <span word="that">that</span> <span word="he">he</span> <span word="came">came</span> <span word="back">back</span>. 他回来时是10点钟。</p><p> <span word="It">It</span> <span word="was">was</span> <span word="after">after</span> <span word="ten">ten</span> <span word="oclock">oclock</span> <span word="that">that</span> <span word="he">he</span> <span word="came">came</span> <span word="back">back</span>. 他是在10点过后回来的。</p><p> <span word="It">It</span> <span word="was">was</span> <span word="before">before</span> <span word="ten">ten</span> <span word="oclock">oclock</span> <span word="that">that</span> <span word="he">he</span> <span word="came">came</span> <span word="back">back</span>. 他是在10点前回来的。</p><p> 以上分析告诉我们，上题填 <span word="that">that</span> 不对 (除非 9 <span word="oclock">oclock</span>前有介词)。那么填 <span word="when">when</span> 又作何解释呢? 本题填 <span word="when">when</span>，全句构成主从复合句，其中的<span word="when">when</span>引导时间状语从句(意为当的时候)，全句意为：当他回来时，时间是晚上9点。</p><p> 再请比较：</p><p> 1. <span word="a">a</span>. <span word="It">It</span> <span word="is">is</span> <span word="autumn">autumn</span> <span word="when">when</span> <span word="leaves">leaves</span> <span word="fall">fall</span>. 当树叶落的时 候就是秋天了。</p>
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