托福考试辅导：语法讲解(3)-智课教育旗下智课教育.pdf

智 课 网 托 福 备 考 资 料 托福考试辅导 语法讲解 3 智课教育旗下智课教育 本文由智课教育考试规划师对新托福考试中的各个语法点进行讲解 和分析 希望能给正在备考的考生带来帮助 考点二 their等物主代词 1 物主代词是常见的名词限定词 其后既可接可数名词的单复数 his pen his pens 又可接不可数名词 his time 但不可与其他的限定词同时出现 部分数词除外 例如 不能说no my car my no car 但是可以说 My two red cars 2 英语中许多习惯用法在表示特指时都用物主代词而不用the 为的是更突出所属关系 这在TOEFL中是一个常考的点 例如 Manufacutrers of consumer goods often change the styles of their products 这里用their 而不用 the 例题 1 A good exercise program helps teach people to avoid the habits that might shorten the lives 应改为 their 解释 定冠词the指代不清 用物主代词their作名词lives的限定语更符合英语习惯 还可突出lives 与people之间的所属关系 2 A liquid is similar to a gas because has molecules are not fixed to each other in any specific way 应改为 its 解释 has是动词 不能修饰名词 且与从句的谓语冲突 依句意改为物主代词its作molecules的限定语 考点三 只接复数名词的限定词 a large small great considerable remarkable number of a variety of a set of a few 等表示数的固定词组之后总是接复数名词 例题 1 In mathematical terms modern algebra is set of objects with rules for connecting or relating those objects 应改为 is a set 解释 a set of是固定词组 表示一套 一组 后面接可数名词的复数 与题中objects吻合 2 At birth an infant exhibits a remarkable number of motor response 应改为 responses 解释 短语a number of 后面要求接可数名词的复数 number前可加某些形容词如great considerable remarkable small 等表示a lot of 或 a few 注意 the number of 和 a number of 的区别 The number of boys in Class Five is 25 五班男孩的数目是25 后面谓语动词用单数 A small