指示代词. 一.指示代词有 this(这) ,that(那) ,these(这些) ,those(那些) . 二.this 和 these 指说话人较近的人或物,that 和 those 指说话人较远的人或物. 三.this 和 these 指单数,that 和 those 表示复数 四.指示代词在句中作主语和定语,作定语时的作用和 the 相似. 例:This is a pencil. Those are desk. (作主语) That pencil is long . These desks are new. (做定语) (放在主语前面做定语) 家教点窍:(背记) 一.指示代词主语很简单.作定语用尤其是将一般疑问句改成陈述句的肯定式须重点把握. 二.指示代词作定语时,常用冠词 the 来代替,所以两者不可同时用. 例:This book is new . (√)(在主语前作定语) The book is new. (√)(在主语前作定语) This the book is new.(×)(两者不能同时用,只可用其中一个) 典型例题. 1.那只狗 . 2.这个男孩. . . 4.这些苹果. . 3.那些学生. 答案:1.that.dog. 2 this boy. 3 those students 4.these apples. 二,将下列各句改为肯定句. 1.Is this a red marker? 2.Are those pink peaches from Shanghai? 3.Are these pears big? 评析:第2.3小题的指示代词作名词定语,而不是主语.若改写成如下句子则错. Those are pink peaches from Shanghai. (×) Those are big pears./These are pears big. (×) 1.This is a red marker. 2.These pears are big . 2. Those pink peaches are from Shanghai. 强化训练. 一.将下列句子改成肯定句. 1.Are these books in the bag? 2.Is this nice ice cream? 3.Are those big yellow bananas good? 4. Are those apples red? 5. Is that an English story book? 二. 翻译下列词组 1这个男孩 . 2. 那位老师 3这些猫. . 4. 那些狮子. 5.这只山羊 . 6. 那支蓝钢笔. 三.将下列句子译成英语. 1.那些铅笔是李明的. . 2.这红衣服是你妹妹的吗? . 3.这是个好老师? . 四.找出并改写下面各句中可用 the 代替的指示代词. . 1.Those workers are in that factory. 2.This is a red apple. . 3. That pencil is in that pencil-case. . 1 . . . . . . . . 4.These are glasses. . 2