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What ever 引导的从句 （适合高三使用） what一词应用广泛，它的用法，是高中学生学习的难点，也是考试的重点内容。为了掌握它的意义和用法，突破学习中的难点，现将其常见用法归纳如下： 一、what可引导主语从句、宾语从句、表语从句，并在从句中作主语、宾语或表语。意为“什么”、“所……的”（相当于all that/anything that） 注意：what不能引导定语从句。 What he said at the meeting astonished everybody present. （主语从句中作宾语） 他在会上所说的话使在场的每个人都感到惊讶。 Dr Green did what he could do to calm the peasant girl. （宾语从句中作宾语） 曼耐特医生竭尽所能，使那个农家女孩平静下来。 China is no longer what it used to be. 表语从句中作表语 中国不再是以前的老样子了。 二、what与that的区别： that可引导主语、宾语、表语、同位语从句.。但引导这四种名词性从句时，没有词义，不作任何句子成分，只起连接作用。还可引导定语从句，指物或指人，并在从句中作主语或宾语。 That he was chosen made us very happy.（主语从句） 他被选中了，我们都很高兴。 It surprised us a lot that the students don’t know where the difference between the two words lies.（主语从句）学生们不知道这两个词的区别在哪，这使我们感到非常惊讶。 He announced to us that he would retire next month. （宾语从句） 他向我们宣布，他下一个月就要退休了。 Mother made a promise that if I enter a key school, she would take me to Beijing.（同位语从句）母亲许诺，如果我考进重点学校，她将带我去北京。 The reason why he was late was that he was caught in a traffic jam. （表语从句） 他迟到的原因是他遇到了交通阻塞。 I still remember the places and friends that I visited（定语从句中作宾语） 我仍然记得我参观过的地方和拜访的朋友。 what引导在名词性从句中，有词义并且担当句子成分。 What he wanted to see was an end to all the armies of the world.（主语从句中作宾语）他希望看到的是，全世界的部队全部消亡。 Why so many people are interested in football is what we want to know. （表语从句中作宾语）为什么这么多人对足球感兴趣正是我们想知道的。 The shop owner came up to see what was the matter. （宾语从句中作主语） 店老板走上前来看发生了什么事。 下面是两词区别的典型例子： What frightened us most was that two lights appeared suddenly in the darkness. That they won the game was what we had expected. 三、whatever可引导让步状语从句, 此时相当于no matter what；还可引导主语从句，宾语从句,此时相当于anything that. Whatever you do, do it well. 让步状语从句 不管你做什么，都要做好。 You can buy whatever you need if you have enough money. 宾语从句 如果你有了足够的钱，就能想买什么就买什么。 You may take whatever you want 宾语从句 你想拿什么就拿什么。 I won’t believe whatever he says. 宾语从句 无论他说什么，我都不相信。 I won’t believe him, whatever he says. 让步状语从句 Whatever I said must be kept secret. 主语从句 我说的任何话都要必威体育官网网址。