“that”在英文中是一个使用频率很高的单词。它有四种词性，并且句法及语法功能纷繁复杂。同学们假如不能熟练掌握其用法，很可能会形成英语学习的一种障碍，从而影响其学习兴趣和效率。现将 that 的用法总结归纳如下： 第一、that 用作形容词（后接复数名词时用 those）。 它用来指已被提到的人或物；也可表对比，指两个中较远的那个。 What about that book you borrowed from me last month？ 请注意，that 有时候在句子中具有喜爱或轻视等感情色彩。 that little son of his 他那个小宝贝儿子 That George！乔治那家伙！（含有轻视语气） 第二、that 用作代词。 1. that 用作指示代词（复数形式是 those），其指代意义同形容词用法，同时它还可以用作定语从句中的先行词；还可为了避开重复，代替前述名词。 That is what he told me. What is that (which) you have got in your hand? The price of rice is higher than that of flour. 2. that 用作关系代词，引导限制性定语从句。先行词可人可物，用法相当于 who 或which。（但是在下列情况下多用 that：先行词既有人又有物时；先行词有形容词最高级序数词、不定代词、very，only 等修饰时；先行词是不定代词时） He talked about the teachers and schools that he had visited. I think it one of the most wonderful films that the film pany has ever produced. She has little information that is useful for our research. Is there anything that I can do for you? 请注意，that 在定语从句中作宾语时通常可省略。 The books (that) I sent you will help you in your studies. 第三、that 用作连词，引导名词性从句,状语从句和强调句。 1. that 名词性从句。 ① 引导宾语从句。及物动词后的引导词 that 可省略。 I didn't expect (that) he could win the championship. The teacher pointed out that Tom was not working hard enough. ② 引导主语从句。通常采纳 it 作形式主语的句型。 That the earth goes around the sun is known to everyone. （It is known to everyone that the earth goes around the sun.） ③ 引导表语从句。 The trouble is that we are short o...
