真是一团糟!你总是这么懒惰! —I’m not to blame,mum.I am what you have made me.
妈妈,我不应该受到责备。我这个样子都是你一手造就的。 易错警示 if不能引导表语从句;that引导表语从句时不能省略。 2.as if/as though意为“好像,仿佛”,引导的表语从句常跟在系动词(如seem,appear,look,taste,sound,feel,smell等)之后。若表语从句所述的是非真实的情况,从句用虚拟语气;若所述的是事实的或是极可能发生的情况,从句用陈述语气。 ♦ It seemed as though it had happened yesterday.那件事好像昨天发生的一样。 ♦ It looks as if it is going to rain.看起来天要下雨了。 3.This/ That/ It is why+表语从句(表结果) “这/那就是……的原因”
This/ That/ It is because+表语从句(表原因) “这/那是因为……”
The reason why...is that+表语从句
“……的原因是……”
♦ From space,the earth looks blue.This is because about seventyone percent of its surface is covered by water.从太空中看,地球是蓝色的。这是因为地球表面约百分之七十一都被水覆盖着。 ♦ China is developing fast.That’s why I think those of my colleagues who deal with China affairs should visit China.中国在飞速发展,我认为这就是为什么我的那些跟中国打交道的同事应该访问中国的原因。 [即时训练] Ⅰ.单句语法填空 1.(2017·高考浙江卷改编)“Every time you eat a sweet,drink green tea.” This is ____________ my mother used to tell me. 解析:句意:“每次你吃甜点的时候,就喝点绿茶。”这是过去妈妈经常对我说的话。分析句子结构可知,空格后是表语从句,此处需要填写的是表语从句的引导词。表语从句中,tell后接双宾语,故直接宾语用what替代。 what 2.What makes online shopping so popular is ____________ it shortens the distance between manufacturers and consumers. 解析:句意:使得网上购物如此受欢迎的原因是,它能缩短生产厂商和消费者之间的距离。is后接表语从句,从句中不缺少成分,故填that。 that Ⅱ.单句改错 —Lily is often absent from school. —Yes,she is.That’s why she is in poor health. _____________________________________________________ 解析:分析句子结构可知,That’s 之后应为表语从句。根据句意可知,健康状况不好是缺席的原因,故填because。 why—because 同位语从句在句中作某一名词的同位语,位于该名词之后,用以说明该名词的具体内容。常见同位语从句的名词:advice,conclusion,doubt,fact,hope,idea,news,promise,question,suggestion,thought,truth,wish,word等。引导同位语从句的引导词:that,whether,how,where,when,why等。 同 位 语 从 句 ♦—Is it true that Mike refused an offer from Yale University yesterday? 昨天迈克拒绝了耶鲁大学的录取,这是真的吗? —Yeah,but I have no idea why he did it;that’s one of his favorite universities.是的,但是我不知道他为什么这样做;那是他最喜欢的大学之一。 ♦ I made a promise to myself that this year,my first year in high school,would be different.我给自己做出承诺:今年,是我上高中的第一年,将会与以往不同。 易错警示 that 引导同位语从句和定语从句的区别:that引导定语从句 时,that既起引导词的作用,又在从句中充当句子成分;如 果在从句中作宾语that还可以省略,所修饰的名词指物时可 用which替换。引导同位语从句时,that在从句中不充当任何 句子成分,不能省略。 [即时训练] Ⅰ.单句语法填空 1.The notice came around two in the afternoon ________ the meeting would be postponed. 解析:came around two in the afternoon把名词notice及其同位语从句分隔开来,增加了试题的难度。同位语从句意义和结构完整,所以用连接词that引导。 that 2.(2015·北京重点中学联考改编)The question occurred to me ____________ we should go to get the car repaired.We were in the middle of the forest at that time. 解析:句意:我突然想起这个问题,我们该到哪里去修车,当时我们正在森林的中部。根据后面“当时我们在森林的中部”这一语境可确定应填where引导从句作the question的同位语。 where 栏目导引 高频考 点突破 专题针 对训练 课堂达 标训练 专题四 语法填空和短文改错
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