1、八年级 Unit2Topic3 知识点归纳1Unit 2 Topic 3 一、重点词组: 1. talk with/to sb 与交谈 talk about sth 谈论某事 2. ask questions 问问题 3. prevent sb (from) doing sth 阻止某人做某事 4. all the time= always 总是/一直 5. build sb up 增强某人体质 6. Dont have to / neednt 不必 7. take/follow ones advice 听从某人建议 8. go to crowded places 去人群拥挤的地方 9. wo
2、rk on the internet too long 在网上工作太久 10. May/Can/Could I speak to sb? 我可以/能找某人接听电话吗？ 11. be afraid of sth 12.害怕做某物 be afraid to do sth 13. 害怕做某事 be afraid + (that) 从句 恐怕. 12. right now = at once= in a minute 立即，马上 right now= now = at the moment 此刻，目前 13. ring sb up= call sb= call sb up = give sb a ca
3、ll 给某人打电话 14. be busy doing sth= be busy with sth 忙于某事 15. leave a message (to sb) 留口信给某人) take a message (for sb) (为某人)捎口信 give sb a message 给某人口信 16. go ahead 开始吧，请便 17. forget to do sth 忘记做某事( 还没做) forget doing sth 忘记做过某事 (已经做过了) 18. give a talk 做报告 give sb a talk =give a talk to sb 给某人做报告 give a
4、 talk about . to sb 给某人做关于的报告 19. make sb fat and unhealthy 使某人肥胖和不健康20. sth happen to sb 某事发生在某人身上 Sb happen to do sth 某人碰巧做某事 21. have a try 试一试 try to do sth 努力做某事 try doing sth 试着做某事 22. stay/keep safe 保持安全 Stay/keep healthy 保持健康 Stay/keep away from 远离 23. learn about first aid 了解急救知识 24. on one
5、 hand on the other hand 一方面另一方面 25. be happy to be healthy 想健康就得快乐, 快乐才能健康 26. cause cancer/ illnesses 引发癌症/ 疾病 27. say no to (doing) sth 拒绝 (做)某事 28. sb isnt in= sb is out 某人不在 29. stop doing sth 停止做某事=give up doing sth. stop to do sth 停下来去做某事stop sb from doing sth 阻止某人做某事 30. warm up 热身 31. exerci
6、se equipment 运动器材 32. instead of +n/v-ing 代替，而不是 33. get your body moving 使你的身体动起来 34. healthy eating/ living habits 健康的饮食/生活习惯 二、必背重点句型 1.What should we do to prevent it? 为了预防流感我们应该做什么？ 2.Im afraid he is busy right now. 恐怕此刻他很忙.3.Please tell my father not to forget the talk tomorrow afternoon. 请告诉我
7、父亲不要忘了明天下午的报告. 4.Ill give him the message myself 我会亲自告诉他信息的 5. Its necessary to learn about first aid. 了解急救知识是必需的 6.Happiness is important for your health 快乐对你的健康很重要 7.In order to keep healthy, we should 为了保持健康，我们应该 8.The more exercise, the better 锻炼越多，越好9.We should say no to smoking and drinking 我们
8、应该拒绝吸烟和喝酒 10.You may feel ill if you are always unhappy.如果你总是不开心，你可能会生病。三. 重点语言点讲解1. talk with sb. 表 “与交流 ” , 指 “与人平等地交流、讨论” talk to sb. 表示 “找某人谈话” , 在口语中常“责备某人” 如: Jims father is talking with the teacher. 吉姆的父八年级 Unit2Topic3 知识点归纳2亲正在和老师交谈. I will talk to him about his careless. 我要找他谈话,批评他的粗心大意. 2.
9、 常用的反身代词词组: by oneself 独自地take care of oneself = look after oneself 照顾某人自己 teach oneself sth = learn sth by oneself 自学 enjoy oneself = have a good time 玩得高兴help oneself to sth 请随便吃 leave sb by oneself = leave sb alone 把某人单独留下 say to oneself 自言自语 hurt oneself 摔伤自己 lose oneself in 沉浸于 3. 情态动词: must 与
10、have to must 必须;一定”, 表示有做某一动作的必要或义务,侧重表达说话者的 主观看法.（只有一种时态）如：We must wash hands before meals. 饭前我们必须洗手. We must eat healthy food. 我们必须吃健康的食物 . have to “不得不, 必须”, 侧重表示因客观条件或客观环境的迫使而不得不做某事（可用于各种时态） 如：Its too late. I have to go now. 太迟了.现在我得走了. I had to borrow some money at that time. 那时我不得不借了一些钱. -Must
11、 we keep the windows open all the time?-No, we dont have to. / No, we neednt. (注意回答时不能用 No, we mustnt.) 4.say.tosay hello to 向某人问好 say sorry to 向某人道歉say thanks to 向某人道谢 say goodbye to 向某人道别 say no to 对 说不 5.the+比较级，the+比较级表示：“越，就越” The more money you make, the more you spend.钱你赚得越多，花得越多。 The sooner,
12、 the better.越快越好。The more you eat ,the fatter you are.吃得越多你就越胖6.stop to do sth.停下来做另一件事 stop doing sth.停止做某事=give up doing sth. They stopped to smoke a cigarette. 他们停下来抽根烟I must stop smoking. 我必须戒烟了。7. in order to + 动词原形 = so that +句子 为了 He got up very early in order to catch the first bus.=He got u
13、p very early so that he could catch the first bus.8.in time 表示“及时”，指在约定的时间之前发生。 on time 表示 “准时、按时”，指正好在约定的时间发生。 We hope you will arrive in time to attend the meeting.我希望你能及时赶来参加这个会议。 They were just in time for the bus. 他们正好赶上了汽车。 The train came on time. 火车正点到站。 Ill write to your father if you arent
14、here on time tomorrow. 倘若你明天不准时到的话，我就要写信告诉你父亲。9.If（如果）引导条件状语从句主句用将来时，则 if 引导的状语从句用一般现在时If it rains tomorrow, we will go to the park. 如果明天下雨，我们会去公园。10.on one handon the other hand 一方面；另一方面 On one hand, she is rich. on the other hand, she is lonely.一方面，她很富有。但另一方面，她很孤独。Other. (1) adj.其他的，别的 other peopl
15、e(2)pron.作代词，常用于 onethe other的句型中，表示两个中的另一个。Others.别人，其他的人或物.others 泛指别的,其他人是 other 的复数形式.相当于 other 加可数名词复数 如 Four of them are in the classroom,what about the othersanother 泛指（指三者或三者以上中的）另一个, 既可作代词又可作形容词.做代词时如：I dont like this book,please give me another.八年级 Unit2Topic3 知识点归纳3做形容词：I will be back in another ten days.
