1、 第1页初二升初三英语Unit2 How often do you exercise?Section A知识讲解一. help with housework 帮助做家务 1. help with sth. 意为“ 帮助做某事” 2. help sb. with sth. = help sb. _ sth. 帮助某人做某事 Eg: I often help him _ his English. = I often help him _ English. 我经常帮他学习英语。【拓展】1. help oneself to 请随便吃/喝Please help yourself to some cake
2、s. 2. 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。二housework 意为“家务劳动”。不可数名词。1. They have housework to do. A. many B. much 三. sometimes 有时辨析：sometimes ，some times ，sometime ， some timesometimes 有时候。=at times= from time to time也是“有时”的意思。some times 几次。time 作可数名词时可
3、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”。练习： 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。四. hardly ever 几乎不 比较： hard 、hardly和hardly everhard作
4、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”， 位于动词之后。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。There is hardly any coffee
5、left. 几乎没有剩余的咖啡了hardly ever是表频率的副词，意为“几乎不；几乎没有”，相当于 almost not, seldom。 练习：There is _ _food left. 几乎没有食物剩下。He _ _ . 他几乎不工作。 He _ _. 他工作努力。五Whats your favorite.? =What. do you like best？你最喜欢的.是什么？1.Whats your favorite animal？你最喜欢的动物是什么？第2页初二升初三英语= _六. free 意为“空闲的，有空的”反义词busy。 be free 意为“闲着，有空”eg:：He
6、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。七 quite full 很忙，相当忙.1. adj. full 还可译为“满的，充满的”。 反义词是empty，意为“空的”。Eg：The bus was full when they got there. 翻译_. 拓展：A be full of B. = A be fill with B; A中充满了B 。The room is full of students. The bus is full of people.The hall is _ people.
7、A. fill with B. full with C. filled of D. filled with2.full adj. “饱的 ”。 其反义词是hungry，意为“饥饿的” 。Are you hungry or full？你饿了还是饱了？Eg：I cant eat any more，I am quite full. 我不能再吃了，我相当饱了。八 maybe “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 bemaybe “也许，大概，可能”。（一般放句首） Maybe you are right. 也许你
8、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. 你也许是对的。Lily an English teacher. Lily可能是一名英语老师。=_ 九.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. _。十. how 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(
9、 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+可数名词复数多少 询问不可数名词数量 数词+表示量的词 +不可数名词how much多少钱 询问价格 数词+钱十一. l
10、ook、see、watch和read 辨析：look为不及物动词，后接宾语时须用介词at ，着重_。see着重_，即 “看到，看见”。read多指 “看书、报 ”，这里的“看”实为“读”。watch着重_也常用于“ 看电视，看比赛”等短语中,还表示“注视，观看，监视”之意。第3页初二升初三英语sectionb一 want sb. to do sth. 的否定形式为want sb. _to do sth. Eg：She wants me to bring him some pens. 否定：She wants me_ him some pens.拓展：1.want sth. 想要某物 2.wan
11、t to do sth. 想要做某事3. want (sb.)to do sth.=would like/love (sb.)to do sth.二 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】1.be good to“对好”，其反义短语为be bad to“对不好”。 2. be good at“在方面擅长”， 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. = S
12、he does well in English and Chinese. 她擅长英语和汉语。I am good at _（play）basketball.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？三. Here are the results. 这是（调查）结果。here 位于句首，句子要倒装。Here is + 单数名词。 Here are + 复数名词.Eg： 这是你的夹克_。四. 1. 百分数由percent来表示，构成：基数词+percent ，常用“数词percent of名词”这一结构
13、作主语时，谓语的单复数要看percent of 后跟的名词，如果是可数名词复数，谓语应该用复数，如果是不可数名词，谓语应该用单数Thirty percent of the students _ ( like) watching game shows.70 percent of water _ ( be ) salty water(盐水)。五surprised 惊奇的，感到意外的1. be surprised at sb. / sth. / doing sth. 对感到惊奇， We are surprised at the news. 2. be surprised to do sth. 对做某
14、事感到惊讶。 Im very surprised to meet you here.3. be surprised that + 从句. 因而感到惊讶。Im surprised that he came here on time.【拓展】 surprising 令人惊讶的 to ones surprise 令某人惊讶的是in surprise 惊讶地 ； 吃惊地六the answers to questions 问题的答案the way to sp 去某地的路七 . most students = most of the students 大多数学生1. most +复数名词. Most bi
15、rds can fly.大多数鸟儿会飞. _ 大部分时间2. most of + 限定词+复数名词 most of the girls , most of my friends3. most of + 人称代词宾格 most of them / us_ the students like reading the story. A. Most B. Most of4. the +most +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。如果most前有不定冠词a，则表示 “非常；很”，相当于very。 She is
16、a most beautiful girl. 她是个非常漂亮的姑娘。第4页初二升初三英语八. although “虽然，尽管” 。but 意为“但是” 。英语中，although与but不能同时 使用。1. _it rained，the boys still played outside. = It rained，_ the boys still played outside. 2. Although I get up early, I cant catch the early bus. = I get up early, but I cant catch the early bus. My
17、cousin knows a lot about geography， he is only four years old. A. because B. so C. although 九. 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. 上课认真听讲很重要。Its easy for us to swim. 对我们来说游泳很容易。Its very hard for him to study English. _ 练习 1.It is very im
18、portant for us _ English well.2.its very nice _ you _my parents your best wishes.3.I often have hamburgers for lunch.Youd better not. Its bad for you _ too much junk food.十. 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 h
19、ard (by doing sth. 通过做某事)十一. such as 例如；像 这样。后面跟名称、代词、动词的 ing形式Eg: I have a lot of hobbies, such as _and _. 我有许多爱好，比如读书和唱歌。拓展：such adj. to B. Eats; for C. Eating; for D. Eat; for( )10. A lot of vegetables _you to keep in good health.A. make B. want C. try D. help( )11. Peter is _because he hardly ev
20、er exercises.A. tired B. happy C. healthy D. unhealthy( )12. He knows a lot _he is still (仍然)a child.A. so B. although C. but D. or( )13. My dad _a lawyer(律师) when I grow up.A. wants me to B. wants me to be C. became D. wanted( )14. My mother_ surfs the Internet, she likes watching TV.A. doesnt hard
21、ly ever B. hardly ever C. isnt hardly ever D. hardly never( )15. _does he do on the weekend?- He often helps his mother with housework.A. How B. How often C. What D. How soon( )16. - What_ you usually _on weekends?-I usually _guitar.A. did; do; play the B. do; do; play C. do; did; play D. do; do; pl
22、ay the第7页初二升初三英语( )17. -Are you late for class? -_.A. Yes, never B. Yes, sometimes C. No, ever D. No, usually( )18. _he was tired, _he didnt stop to restA. Although, but; B. Although, /; c. though; but; ( )19. Can you help me _the house?A. cleaning B. with clean C. of cleaning D. clean( )20. Lisa _e
23、ight hours every night. What about you?A. eats B. drinks C. plays D. sleeps课后练习：一.根据要求完成句子。1,_ _ Bill usually do _ _?比尔周末通常做什么？2_ _ do you _ the Internet? _ a week. 你多久上一次网？每周两次。3. She often reads English books. （改为一般疑问句）_ she often _ English books?4. My parents want me to be a doctor.（对划线部分提问）_ _ y
24、our parents want you to be?5. My favorite movie is Mr Bean. （对划线部分提问）_ _ your favorite movie?6. Do you like to drink milk?（作否定回答） _, I _.7. My grandpa keeps in good health. （改为同义句）My grandpa _ _.8. He goes to the park three times a week. (对划线部分提问)_ _ does he go to the park? 9_ Im_ _unhealthy也许我有点不健康
25、10.牛奶对健康有利 Milk_ _ for your health.二.单项填空1.How often does he exercise? _. A. He is twelve B. He exercises by bus C. Twice a week D. About one hour. 2. My father wants me _ vegetables every day. A. to eat B. Eating C. eat D. eats 3. 80% students like the watch. What does“80%”mean? _. A. None of the s
26、tudents B. All the students C. Some of the students D. Most of the students 4. Have you ever been to Hai Nan? No, _. 第8页初二升初三英语A.ever B. never C. some times D. usually 5. Mike is a _ boy. He does exercise every day. A. health B. unhealthy C. healthy D. healthily 6. Is your book _ as mine? A. same B.
27、 some C. a same D. the same 7. Drinking milk and eating vegetables _ our health. A. are good for B. are good at C. is good for D. is good at 8. Mary tries _ a lot of vegetables. A. eat B. to eat C. eats D. drink 9. Katrina reads English books three _ four times a week. A. at B. in C. to D. of 10. Do
28、 you like to go _? A. skateboard B. to skateboarding C. a skateboarding D. skateboarding 11._ he is ill, _he goes to school. A. Although; but B. /; / C. Although; / D. But; although 12. They watch TV_. A. one a week B. once a week C. one the w eek D. once week 13. The old man is well because he ofte
29、n_. A. exercises B. drinks C. sleeps D. play 14._do you read English books? Twice a day. A. How many B. How much C. How long D. How often 15. Lily usually starts the day _breakfast. A. with B. from C. at D. of 16. Nancy is _because she has a good habit.A. tall B. busy C. interesting D. healthy17. Xi
30、ao Zhang _watches TV. He likes surfing the Internet.A. hard ever B. hardly ever C. doesnt hard ever D. doesnt hardly ever18. Eating a lot of vegetables_good for your health.A. am B. is C. are D. be19. The boy is too young to|_himself.A. look at B. look after C. look on D. look up20. He _late for sch
31、ool.A. is often B. often is C. does often D. often does第9页初二升初三英语一、重点短语 help with housework 帮助做家务 on weekends 在周末 how often 多久一次 hardly ever 几乎从不 once a week 每周一次 twice a month 每月两次 be free 有空 go to the movies 去看电影 use the Internet 用互联网 swing dance 摇摆舞 play tennis 打网球 stay up late 熬夜；睡得很晚 go to bed
32、early 早点睡觉 play sports 进行体育活动 be good for 对有好处 go camping 去野营 notat all 一点儿也不 in ones free time 在某人的业余时间the most popular 最受欢迎的 such as 比如；诸如 old habits die hard 积习难改 go to the dentist 去看牙医 more than 多于；超过 less than 少于at least 至少 have dance and piano lessons 上舞蹈课和钢琴课二、句型荟萃help sb. with sth. 帮助某人做某事 How about? .怎么样？/ 好不好？want sb. to do sth. 想让某人做某事 How many+ 可数名词复数+一般疑问句？ 有多少?主+find+that从句 . 发现 spend time with sb. 和某人一起度过时光Its+ adj.+ to do sth. 做某事是的。 ask sb. about sth. 向某人询问某事by doing sth. 通过做某事 Whats your favorite? 你最喜爱的是什么？the best way to do sth. 做某事的最好方式
