英语语法强调句知识点：强调句与从句的比较
<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> 1. 强调句与主语从句的比较</p><p> 强调句将句子中的<span word="it">it</span> <span word="is">is</span> / <span word="was">was</span> <span word="that">that</span>同时省去，句子仍然成立;而主语从句将<span word="that">that</span>与后面部分代替<span word="it">it</span>，成立。如：</p><p> (1) <span word="It">It</span> <span word="is">is</span> <span word="Li">Li</span> <span word="Leis">Leis</span> <span word="brother">brother</span> <span word="that">that</span> <span word="you">you</span> <span word="met">met</span> <span word="in">in</span> <span word="the">the</span> <span word="street">street</span> <span word="yesterday">yesterday</span>. 你昨天在街上所见到的就是李蕾的兄弟。</p><p> 本句若将<span word="It">It</span> <span word="is">is</span> 及 <span word="that">that</span>同时省去为：<span word="You">You</span> <span word="met">met</span> <span word="Li">Li</span> <span word="Leis">Leis</span> <span word="brother">brother</span> <span word="in">in</span> <span word="the">the</span> <span word="street">street</span> <span word="yesterday">yesterday</span>. 句子同样成立，因此前面的句子是强调句型。</p><p> (2) <span word="It">It</span> <span word="is">is</span> <span word="exciting">exciting</span> <span word="that">that</span> <span word="we">we</span> <span word="have">have</span> <span word="succeeded">succeeded</span> <span word="in">in</span> <span word="sending">sending</span> <span word="up">up</span> <span word="Shenzhou">Shenzhou</span> <span word="V">V</span>. 我们成功地发射了神舟五号这件事情真令人兴奋。</p><p> 本句若将<span word="It">It</span> <span word="is">is</span> 及 <span word="that">that</span>同时省去为：<span word="We">We</span> <span word="have">have</span> <span word="succeeded">succeeded</span> <span word="exciting">exciting</span> <span word="in">in</span> <span word="sending">sending</span> <span word="up">up</span> <span word="Shenzhou">Shenzhou</span> <span word="V">V</span>. 显然句子错误，因此，前面句子不是强调句型，而是主语从句。</p><p> 2. 强调句与定语从句的比较</p><p> ◎强调句中的<span word="It">It</span>没有实际意义，<span word="It">It</span> <span word="be">be</span>与<span word="that">that</span>可同时被省略;而定语从句中的<span word="It">It</span>是主语，<span word="It">It</span> <span word="be">be</span>与<span word="that">that</span>不可同时省略;</p><p> ◎强调句型中<span word="be">be</span>的时态须跟后面句子的时态相一致;而定语从句中主句谓语动词<span word="be">be</span>的时态须由主句的时间确定</p>
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