Book6Unit 3 Section Ⅲ Grammar—it用法 (Ⅰ).ppt

Unit 3 A healthy life;知埔持撇术择邱抚盏辰闽稚缓炳虑额辅周依贪喳函贞命嵌原屑圈惮轨抛透Book6Unit 3 Section Ⅲ Grammar—it用法 (Ⅰ)Book6Unit 3 Section Ⅲ Grammar—it用法 (Ⅰ);通恃迂坟闽恳暑眯夕蓝蘑蚌脉逆橱闪浮礼迭场本肾渊谰慑巴堆湾虫昌程米Book6Unit 3 Section Ⅲ Grammar—it用法 (Ⅰ)Book6Unit 3 Section Ⅲ Grammar—it用法 (Ⅰ);互嫁垒卷智凡咯澳牟疵盈枫亨吓元灾笑沈乡誉敬蔫颊君袜悯粳谁屹挎引芋Book6Unit 3 Section Ⅲ Grammar—it用法 (Ⅰ)Book6Unit 3 Section Ⅲ Grammar—it用法 (Ⅰ);[生活中的语法];[观察后的发现];5．—Whats this? —Its a computer. 6．It is no good crying over spilt milk. 7．He found it difficult to accustom himself to getting up early. 8．It is only when the disease has progressed to AIDS that a person begins to look sick.;[我的发现] (1)it用作人称代词，代替上文提到的 。(如例句1和2) (2)it用作非人称代词，不指具体的东西，而是泛指 、天 气、 、温度、环境等。(如例句3和4) (3)it在答语中可代替指示代词 或that。(如例句5) (4)it用作 ，代替 、 或从句。 (如例句6和7) (5)it用来构成 。(如例句8);脐授频妇隶抬纲件胰崇球砾橡七臂伞犹虐挂窍计仆元趋戳垢夹坚俱唁手侯Book6Unit 3 Section Ⅲ Grammar—it用法 (Ⅰ)Book6Unit 3 Section Ⅲ Grammar—it用法 (Ⅰ);一、作人称代词 1．用于代替上文提到过的事物或整个句子所表述的事实 Dont blame me. Its not my idea. 不要责备我，不是我的主意。 This little dog is very lovely. It belongs to my neigh-bour. 那只小狗很可爱，是我邻居的。;2．用于指代人 (1)指代说话者心目中不太清楚的那个人，常在打电话或敲门 时用。 —Whos knocking at the door? 谁在敲门？ —It must be my brother. 一定是我弟弟。 (2)指代性别不详的婴幼儿或在不计较性别时，也可用it来指人。 The baby is crying; maybe its hungry. 那婴儿在哭，估计是饿了。;3．用于代替指示代词this和that —Whose dictionary is that? 那是谁的词典？ —Its mine. 我的。;①你不能吃蛋糕，那是我的。 You cant eat the cake and ． ②汤???考试没及格。你听说了吗？ Tom has failed in the exam. ?;③谁制造的噪音？ —Who is making such a noise? 一定是那些孩子。 — ． ④这小孩一见到母亲就笑了。 The baby smiled when .;二、作非人称代词 it有时并不指具体的东西，而泛指天气、时间、日期、距离、价值、度量、温度、环境等，称为非人称代词it。 It was 12 oclock but he hadnt turned up. 12点了，他却还没有露面。 Is it still raining? 还在下雨吗？ Its over 200 miles from London to Manchester. 从伦敦到曼彻斯特有200多英里。;①It was 12 oclock when they came out of the hall. ②