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专题技能突破(20)短文改错之分析句子，纠正“句法”错误 【技能讲解】 分析句子，检查三大从句的引导词是否符合语法规则，如定语从句的引导词that， which， who， where等的使用是否正确，名词性从句的引导词that和what 是否混用，状语从句的使用是否把although和but， because和so重复使用。检查感叹句的感叹词what， how使用是否正确。此外，分析句子的主语谓语在数上是否一致，特别是定语从句中的谓语动词单复数，是否和作主语的关系代词所指定的名词单复数一致。典例剖析1.Obeying the traffic rules are what all of us should pay attention to particularly. [答案] are→is 考查主谓一致。由动名词、动词不定式、从句作主语时，谓语动词用单数。Obeying the traffic rules是动名词短语作主语，因此谓语动词用单数。 2．How a wonderful world he leads us to. [答案] How→What 考查感叹句式。how后加形容词，what后加名词，a wonderful world为名词短语，因此用what。 3．The capital city is Lhasa, what is honored as “The highest city in the world”. [答案] what→which 考查定语从句引导词。what不是定语从句的引导词，在非限制性定语从句中作主语且指物Lhasa的关系代词只能用which。 4．[2015·课标全国卷]After looking at the toy for some time, he turned around and found where his parents were missing. | 
