新人教版八年级上 unit2讲义.docx

1、新人教版八年级上 unit2讲义学生：黄炜栋 科目：英语 第 1 阶段第 2 次课 教师：张琳 时间：2013年 9 月 14 日 8-10 时段课题Unit2 How often do you exercises ?教学目标1. Master the new words, phrases and sentences of unit 22. Master the simple past tense .重点、难点How often ？ 考点及考试要求1. Use the key words, phrases and sentences correctly .2. Use the key sent

2、ences correctly.教学内容Key points 一， Key phrases 1.去看电影_ 2.使用英特网_3.在某方面帮助某人_ 4. 很忙 （full）_ 忙于做某事(busy_)5.多久一次_ 6。上钢琴课_7.一周一次_ 8.一周两次_ 9.一周三次_ 10.几乎不_11.熬夜_ 12.多少小时_13.有利于_擅长_ 与某人相处的好_ 14在他们的业余时间_ 15.问某人关于某事_16.一点也不_ 17.上网_18.对感到惊讶_ 19.至少_20.问题的答案_ 21.通过使用英特网_22例如，像_ 23. 与某人一起度过一段时间_24.一个十六岁的中学生_ 25.像一样

3、_26.害怕去做某事_ 27.超过两个小时_二Key points Section A 1. help with housework 帮助做家务 （1） help with sth. 意为“帮助做某事” 拓展：help sb. with sth. = help sb. （to） do sth. 帮助某人做某事 Eg: I often help him with his English. = I often help him (to) learn English. 我经常帮他学习英语。 （2）housework 意为“家务劳动”。不可数名词。 1. They have housework to

4、do. A. many B. much 2. sometimes 有时辨析：sometimes ，some times ，sometime ， some time sometimes 有时候。=at times也是“有时”的意思。some times 几次。time作可数名词时可作“次数”解；表示“时间”时是不可数名词。sometime 某个时候。可指过去或将来的某个时候。some time 一段时间。常与for连用。对它提问用how long 。 口诀记忆：分开“一段时间” ；相聚“某个时候”。 Eg：Sometimes I get up very late. 有时我起床很晚。 I will

5、 go to shanghai sometime next week. 下周某个时候我要去上海。 He reads the story some times. 他读这个故事几遍了。 Ill stay here for some time. 我将会在这儿呆一段时间。Exercises We plan to stay in Hainan for . 我们打算在海南呆一段时间。 I am sure that we have met before. 我肯定我们之前见过几次了。 I have letters from him. 有时我会收到他的来信。3. hardly ever 几乎不 hardly e

6、ver相当于hardly eg：There is hardly any food left. 几乎没有食物剩下。辨析：hardly 与hard hardly 几乎不，一般位于动词之前。 hard 努力，位于动词之后。 eg：He hardly works. 他几乎不工作。 He works hard. 他工作努力。4. use the Internet 用互联网 use sth. to do sth. 用某物做某事 eg：I use a knife to cut bread. 我用刀切面包。 短语：on the Internet 在网上 ， surf the Internet 网上冲浪，上网

7、5. Whats your favorite program？ 你最喜欢的节目是什么？句型：Whats your favorite.? =What. do you like best？你最喜欢的.是什么？Whats your favorite animal？ = _6. Are you free next week？ 你下周有空吗？ free 意为“空闲的，有空的”，反义词busy。 be free 意为“闲着，有空” eg:：He is free now.他现在有空。 拓展：free还可译为“免费的” Eg：The tickets are free. 票是免费的。7. . next week

8、 is quite full for me. 下周对我来说相当忙 quite full 很忙，相当忙.拓展：1.full 还可译为“满的，充满的”。 Eg：The bus was full when they got there. 翻译_ 2.full 还可译为“饱的”。 Eg：I cant eat any more，I am quite full. 我不能再吃了，我相当饱了。8. How come？ 怎么回事？怎么会？ 本句用来表示对某事感到很奇怪，有点想不通。9. I have dance and piano lessons. 我要上舞蹈课和英语课。 have 在此意为“上课”。 Eg:

9、Theyre having an English lesson. 他们正在上英语课。 扩展：have lessons 上课 ， Lesson One 第一课10. Well ，how about Tuesday？ 哦，那周二呢？ How about.? (=What about.?) 意为“怎么样？”，用来征求对方的意见。 Eg: How about this book? 这本书怎样？ How / What about doing sth. .? 做怎么样？ Eg：-What will we do on Sunday？ -How about visiting the museum？ Its s

10、unny today，What about _（play）tennis？11. I go to the movies maybe once a month. 我大概每月去看一次电影。 go to the movies _ maybe 意为“也许，大概，可能”，常位于句首。 Eg：Maybe he knows Tom. 也许他认识Tom。辨析：maybe 和may be maybe “也许，大概，可能”。（一般放句首）Maybe you are right. 也许你是对的。may be “可能是，也许是”。 为“情态动词+be动词”结构。（位于句中）You may be right. 你也许是对

11、的。 1. Lily an English teacher. Lily可能是一名英语老师。 =_ 12. He plays at least twice a week. 他至少每周踢两次（球）。 at least 意为“至少”。其反义词为at most “最多”。 Eg：There are at least 1,500 students in our school. _。Section B1. But my mother wants me to drink it. 但我妈妈想让我喝它。 want sb. to do sth. 意为“想让某人做某事”，否定形式为want sb. not to d

12、o sth. 意为“不想让某人 Do you want （tell）me anything？2. She says its good for my health. 她说它对我的健康有好处。 be good for 意为“对有益”。反义词为be bad for “对有害”。 Eg: Vegetables are good for you. 蔬菜对你有好处。拓展：be good at 擅长.be good at doing sth. 擅长做. I am good at （play）basketball.3. Last month we asked our students about their

13、free time activities. ask sb. about sth. “询问某人关于某事” Eg:I asked my teacher about todays homework. _。4. Here are the results. 这是（调查）结果。 here 位于句首，句子要倒装。 Eg：Here is your jacket. 这是你的夹克。5.twenty percent students dont exercise at all. 百分之20的学生根本不锻炼。 1. 百分数由percent来表示，构成：基数词+percent 。 Eg：Seventy percent o

14、f the boys like playing computer games. 男生中70%喜欢完电脑游戏。 2. not. at all 意为“一点儿也不，根本不”。 Eg：I dont know about it at all. 对那件事我一点也不知道。 拓展：not at all = you are welcome 意为“不用谢，不客气”。 Eg：-Thank you for your help. -Not at all.6. Although many students like to watch sports，game shows are the most popular. alth

15、ough 连词。意为“虽然，尽管”。but 意为“但是”。英语中，although与but不能同时使用。 Eg：Although it rained，the boys still played outside. = It rained，but the boys still played outside. My cousin knows a lot about geography， he is only four years old. A. because B. so C. although 7. It is good to relax by using the Internet or watc

16、hing game shows. 句中it 为形式主语，真正的主语是后面的动词不定式短语。此句型结构为：Its+adj+（for sb.）+to do sth. 意为 “（对某人来说）做某事是的”。 Eg：Its very important to listen carefully in class. Its easy for us to swim. Its very hard for him to study English. _ -I often have hamburgers for unch. -Youd better not. Its bad for you too much jun

17、k food. A.eat B.to eat C.eating D. ate8. Exercise such as playing sports is fun，and you can spend time with your friends and family as you play together. such as 意为“比如，例如” Eg: I have a lot of hobbies, such as reading and singing. spend 意为“度过” 或“花费（时间、金钱）”。 Eg: Come and spend the weekend with us. 来和我

18、们一起度过周末吧重点：1. spend timemoney on sth. 在.上花费时间或金钱 He didnt spend much time on his homework. 他没在作业方面花很多时间。 I spend 200 yuan on a new coat. _ 2. spend timemoney （in） doing sth. 花费时间或金钱做某事 Dont spend too much time watching TV. 不要花费太多时间看电视。 He always spend his time playing football. _Eg: I enjoy playing

19、computer games,but I cant too much time that. A.take, doing B.spend, doing C.spend, for doing D.take, to do9. However,she has some bad habits,too. however 意为“然而，不过”。可以位于句首、句中、句末。但要用逗号与句子的其他部分隔开。 Eg: She was ill. However, she still went to work. 她病了，然而她依然去上班。 辨析：but和however but “然而，但是”。 可直接连接前后两个句子，表

20、转折关系。 However “然而，但是”。 不能直接连接句子，必须用逗号与句子隔开。 Eg:1.It began to rain, ,we went out to look for the boy. 2. It a sunny morning， very cold. 10.She usually watches TV for more than two hours a day. more than 相当于over。意为“超过，多余 There are more than 2000 books. _11. She says she is afraid. 她说她害怕。1.be afraid to

21、 do sth. 害怕做某事Eg：I am afraid to travel by plane. 我害怕乘飞机旅行。2.be afraid of sb. sth. 害怕某人某物 be afraid of doing sth. 害怕做某事 Eg：She is afraid of the dog. 她害怕那只狗。 Dont be afraid of asking questions. 不要怕问问题。 be afraid to do sth.= 害怕做某事12. Less than six. Less than 意为“不到，少于”。其反义词为 more than over “多余，超过”Eg：She

22、 sleeps less than seven hours every night. 他每晚的睡眠时间不到7小时。We know Tom for 20 years. 我们认识Tom超过20年了。三Grammar:频度副词1.频度副词：表示动作发生间隔（既频率）的副词。它们有：always ; usually ; often ; sometimes ; seldom ； hardly ever ; never 等。2. how often 意为“多久一次”，用来提问在某一段时间内进行某个动作的频率。其回答通常是 often、sometimes、never、hardly ever、always、o

23、nce a day、once a week等等表示频率的副词或是短语。 例: - She hardly ever watches TV. （划线提问） - How often does she watch TV? 例句理解：1. What do you usually do on weekends? I often go to the movies. 2. How often do you shop？ I shop once a week.3. 频度副词：表示频率不确定 频率短语表示频率确定（1）.不确定的频度副词always（100%） usually（约80%90%） often（约60%

24、） sometimes（约30%） seldom（约20%） hardly ever（约10%） never（0%）（2） 表示确定的频率短语 every day/week/month/year once a week twice a week twice a month three times a day 注：三次或三次以上一般用“基数词times”表示。（3）在句中位置：频度副词在句中通常放在be动词、助动词、情态动词之后，在实义动词之 前。例：She is often late for school. I can never be sure. He always helps me.Exe

25、rcises 一、对划线部分提问 1）He always plays basketball after school. _ does he always _ after school? 2) They hardly ever play football. _ _ _ they play football? 二、单项选择( ) 1. -How often _ she exercise? -Twice a week. A. do B. does C. doing D. did( ) 2. I _ like to drink milk. A. not B. doesnt C. dont D. no(

26、 )3.-_do you go swimming ? -Sometimes. A. How often B. How long C. how many D. How old( )4. Katrina watches TV once _ week. A. a B. the C. an D. How often和How many times How often用来提问某个动作间隔多久发生一次，即询问动作发生的频率。通常对一些表示频 率的副词进行提问；也可以对频度短语进行提问。 How many times意思是“多少次”，用来提问做某事的次数，往往就once, twice, three times

27、等词语进行提问。典型例题：1）Li Ming does his homework every day. （就划线部分提问）How often does Li Ming do his homework?解析：every day属于频度短语，就频度短语提问用How often.2）The old man went to the zoo three times this year.（就划线部分提问）How many times did the old man go to the zoo this year? 解析：这里就次数提问用how many times.Exercises 用所给词的正确形式填空 1. I watch TV _ (one) a week. 2. He watches TV _ (two) a week. 3. Katrina _ (exercise) every day. Exercises 一，单项填空（ ）1._he is ill,_ _he goes to school. A. Although, but B. / , / C. Al