unit-2-how-often-do-you-rcise-复习知识点.doc

Unit2 how do you often exerciseSection A1. on weekends 在周末weekend 指星期六和星期天 weekday 工作日2. help with housework 帮忙做家务help (sb) with sth 帮（某人）做某事，with后用名词help me with my English 帮我学英语【拓展】1) help sb (to) do sth 帮助某人做某事 2)help (to) do sth 帮忙做某事 3) help oneself to 请随便吃/喝Please help yourself to some cakes. 请随便吃一些蛋糕吧。4) cant help doing sth 情不自禁做某事I cant help falling in love with that girl. 我情不自禁爱上那个女孩。3.频度副词频度always“总是，一直”100%usually“通常”、“平常”80%often“常常” 即很少有例外60%sometimes“有时”，表示动作偶尔发生。可以位于句首，以示强调。30%hardly ever“几乎不”、“偶尔”5%never“从来不”、“永不”0%【拓展】（1）这些副词在句子中的位置基本相同，一般放在助动词、be动词或情态动词之后，行为动词之前。即：“行”前“助(系)”后。 Peter is always late for school. Peter上学总是迟到。I usually do my homework in the evening. 我通常在晚上做作业。（2）hard、hardly和hardly everhard作形容词时，意为“困难的；硬的；勤奋的；严厉的；苛刻的”。hard作副词时常用来表示程度，意为“努力地；猛烈地；剧烈地”。 This ground is too hard to dig. 这块地太硬，挖不动。They tried hard to succeed. 他们努力工作，以求得成功。Hardly 副词，意为“几乎不”，表示否定意义，位于实义动词之前，系动词、助动词、或情态动词之后，不表示频率。常用来修饰表示能力的词，如can, could等。He can hardly play football. 他几乎不会打篮球。hardly ever是表频率的副词，意为“几乎不；几乎没有”，相当于almost not, seldom。 There is hardly ever any coffee left. 几乎没有剩余的咖啡了。（3）sometimes、sometime、some time和some times单词词义用法sometimes有时 用于一般现在时和一般过去时中sometime某时(时间点) 用于一般将来时或一般过去时中some time一段时间 可用于多种时态(指时间段)some times几次，几倍 表示次数或倍数He was sometimes late for school. 他有时上学迟到。He came here sometime. 他某个时候来过这里。He will stay there for some time. 他将在那里待一段时间。She came home some times. 她回了几次家。4、 exercise（1）作不及物动词，意为“锻炼、运动”。 How often do you exercise? 你多久锻炼一次？ I exercise every day. 我每天都锻炼。 （2）作不可数名词，意为“锻炼、运动”，常与动词take连用。 Exercise makes me keep healthy. 运动使我保持健康。John likes take exercise in the open air. 约翰喜欢在户外锻炼。 （3）作可数名词，意为“练习；操”。 We do morning exercises every day. 我们每天做早操。We do English exercises to help us learn English well. 我们做英语练习以便学好英语。5. most表示“大部分，多半”的意思。 【拓展】 most与most of 的区别：（1）most后可直接跟名词(可数或不可数)，同时，也可接有形容词修饰的名词。 Most boys like playing football. 大部分男孩都喜欢踢足球。I always spend most time learning English.我总是花大部分时间学习英语。（2）most后不能直接跟有定冠词、指示代词或物主代词所修饰的名词，遇到这些情况用most of 代替most。I spent most of my time learning to play the piano last year.去年我把大部分时间都花在学弹钢琴上了。I did most of that difficult work. 那件困难的工作绝大部分都是由我做的。（3）most of 后跟人称代词时，应用复数形式的人称代词宾格。 Most of them are going off to Guangzhou next week.他们中的多数人都准备下星期去广州。（4）most 前有定冠词时，可用来修饰多音节形容词，表示最高级，意为“最”。 This is the most beautiful flower. 这是最漂亮的花。但是，如果most前有不定冠词a，则表示“非常；很”，相当于very。 She is a most beautiful girl. 她是个非常漂亮的姑娘。6、 once a week/ twice a weekonce“一次”，twice“两次”，在英语中三次或三次以上通常用“基数词+times”表示，time在这里为可数名词，意为“次数”，复数加s。 I wash my face twice a day. 我每天洗两次脸。7、 how oftenhow often意为“多久一次”，常用于对时间频率的提问。回答可用once/twice/three times a day(一天一/两/三次)，sometimes(有时)，never(从不)，very often(经常)等。How often do you watch TV? 你多久看一次电视？【拓展】词语词义用法答语特征how long多久询问时间多久for/about+一段时间how often多久一次询问动作的频率often、twice a week等how soon多快，过多久询问时间多快in+一段时间how far多远询问距离多远ten minutes walkhow many多少询问可数名词数量数词+可数名词复数how much多少询问不可数名词数量数词+表示量的词+不可数名词多少钱询问价格数词+钱8. every day 每天，天天 Everyday 每天的日常的9、 look afterlook after意为“照顾，照看”，相当于take care of。 My father is ill, so I have to look after him at home.我父亲病了，所以我得在家照顾他。She is old enough to look after herself. 她长大了，能够照顾自己了。【拓展】look at=have a look at 看 look over 检查look up (在字典等)查找 look for 寻找 look forward to 期待，盼望 look around 环顾10、look、see、watch和read辨析：look为不及物动词，后接宾语时须用介词at，指看的动作。see既可做及物动词后接宾语，又可用做不及物动词，着重于看的后果，即“看到，看见”。read多指“看书、报”，这里的“看”实为“读”，可用做及物动词或不及物动词。watch用做及物动词，用来指非常仔细地、有目的和特意的动作，表示“注视，观看，监视”之意。也常用于“看电视，看比赛”等短语中。11. full “忙的，满的，充满的，饱的”A be full of B. A中充满了B。 Last week was full for me. 我上周很忙。12. what kind of 哪种，什么样的13. at least 至少，起码 at most 最多14. as for 至于Section B1、 want sb.to do sth. 意为“想要某人做某事”。want sb. not to do sth. 想让某人不要做某事want sth. 想要什么want to do sth. 想要做某事 【拓展】 want后接动词不定式时，相当于would like/love。want (sb.)to do sth.=would like/love (sb.)to do sth.2、 be good for 意为“对有好处，对有益处”，介词for后接名词或代词。be bad for，意为“对有害处”。 【拓展】（1）be good to“对好”，其反义短语为be bad to“对不好”。 介词to之后一般接表示人的名词或代词。 （2）be good at“在方面擅长”，介词at后面常接名词、代词或动词-ing形式，同义短语为do well in。 She is good at English and Chinese. = She does well in English and Chinese. 她擅长英语和汉语。（3）be good with “和相处得好；擅于和相处”。 Are you good with children? 你和孩子们相处得好吗？3、 keep in good health 意为“保持健康” health是不可数名词，意为“健康(状况)”，常用于“be in good(poor/bad)health”短语中，表示“身体好(不好)”。healthy意为“健康的” unhealthy意为“不健康的”，【拓展】（1）keep是动词，意为“保持(持续的)状态” keep doing sth. 继续做某事keep+ 形容词 保持某种状态keep sb. / sth.+ 形容词 (使某人)保持某种状态keep sb./sth.+表示地点的介词短语 使一直呆在或保存在原地keep sb. / sth. from doing sth. 阻止，保护不受keep on doing sth. 反复做某事4. not at all 一点儿也不; 根本不.I dont know it at all. 对那件事我一点也不知道。Not at all. 不客气。5. surprised 惊奇的，感到意外的 be surprised at 对.感到惊讶 be surprised to do 做某事感到惊奇 be surprised that 后接从句【拓展】 surprising 令人惊讶的to ones surprise 令某人惊讶的是6. the answers to questions 问题的答案the way to sp 去某地的路7. also, too与eitheralso 常用语肯定句中或疑问句中，位于助动词、系动词、情态动词之后，实义动词之前。too 用与肯定句和疑问句句末，前面用逗号隔开。either 用于否定句句末，前面用逗号隔开。8. although, though 大多数时间可以通用，意为“虽然，尽管”，不能与but同时使用。9. show sb sth/ show sth to sb 给某人展示某物10. It+be+adj+(for sb) to do sth. 做某事对某人来说怎么样It is difficult (for me) to learn English. 学习英语对我来说太难了。 It+be+adj+(of sb) to do sth. 某人能做某事真是太It is kind (of you) to help me. 你能帮助我真是太好了。11. by+交通工具 乘. by+时间 到.时（为止） by+地点 在.旁边【拓展】through和by的区别、through 后常加名词表示手段媒介，through exercise 通过锻炼by 后常加工具或v-ing, by working hard12. the best way to do sth 做某事最好的方法13. mind doing sth 介意做某事 mind not doing sth14. such as 例如15. spend time with. 和一起共度时光【拓展】spend, take, cost和pay spend “花费” ，主语必须是人spend time money on sth. 在上花费时间（金钱）。spend time money (in) doing sth. 花费时间（金钱）做某事。 cost的主语是物 sth. costs sb.金钱/时间 某物花了某人多少钱/时间。doing sth. costs sb.时间 做某事花了某人多少时间。 take后面常跟双宾语， 常见用法有以下几种： It takes sb.时间/金钱to do sth. 做某事花了某人多少时间。例：It took them three years to build this road. 他们用了三年时间修完了这条路。 pay的基本用法是：(1) pay (sb.) money for sth. 付钱（给某人）买。例：I have to pay them 20 pounds for this room each month. 我每个月要付20英磅的房租。 (2)pay for sth. 付的钱。例：I have to pay for the book lost. 我不得不赔丢失的书款。 (3)pay for sb. 替某人付钱。例：Don?蒺t worry!Ill pay for you. 别担心， 我会给你付钱的。(4)pay sb. 付钱给某人。 例: They pay us every month.他们每月给我们报酬。 16. die 动词：死亡dead 形容词：死的death 名词：死亡17. a lot of “许多的，大量的”相当于lots of，即可修饰可数名词，也可修饰不可数名词，通常用于肯定句中问。在否定句和疑问句中用much或many。18. afraid 意为“害怕的，恐惧的” be afraid of (doing) sth 害怕（做）某事（物）be afraid if to do sth 害怕做某事be afraid that+从句 19. less than 少于 more than 多于（本单元语法即频率副词的用法，知识点中已包含，不在单独讲解。）More exercise1.My father plays basketball_(two) a week.2.Jodie often_(exercise) in the park.3.How often does your mother exercise? _(one) a week.1. There are some d_between you and me.2. Eating a lot of fruits is ggod for our h_.3. A lot of vegetables help you_(keep) in good health.4. my mother wants me _(eat) a lot of vegetables.5. His_(eat) habits are pretty good,so hes very healthy.6. You must try_(eat) less meat.7. Good sleep can help you to study _(well)8. I have to drink milk every day,a_I dont like it.9. Some students like s_the Internet very much.10. Alice was ill,so her mother _her at home.A. took after B. looked for C. looked after D. took care.15.You are so busy. What do you want me_for you?(2006.重庆) Ado B. done C. to do D. doing 16. “Ill try_mistakes again.(再次)”She said. A. dont make B. not to make C.not make D. to not make17. Doing morning exercises _your health.A.is bad to B.is good for C. is bad for D. is good to18. _do you have a class meeting? Once a week. A. How much B. How often C. What time D. How long19. He is a good student. He_late for school. A. isnt never B. is often C. is always D.is hardly ever20.How often does Kate go hiking? _. A. I guess shes OK. B. About an hour C. Once the week D. Twice a week.21.I am very busy , I_have time to have lunch. A. sometimes B. hard C. hardly D. aiready22. _ is “Lucky 52” shown on CCTV2？ Every week. (2006,黄冈) AHow often B. How long C. How soon D. How many times Can you catch what the teacher said in the English class? Sorry, I can _ understand it.A. hardly B. almost C. nearly D. never24. My favorite program is Animal World. (就划线部分提问) _ your favorite p