新人教版七年级英语下unit4复习ppt课件.pptx

阶段专题复习Unit 41. on time 准时，按时 2. listen to 听3. in class 在课上 4. be late for 做迟到5. have to 不得不 6. be quiet 安静7. go out 外出 8. do the dishes 清洗餐具9. make breakfast 做早饭短语归纳10. make (ones) bed 铺床11. be noisy 吵闹 12. keep ones hair short 留短发 13. play with sb. 和某人一起玩 14. play the piano 弹钢琴15. have fun 玩得高兴 16. make rules 制订规则1. Dont arrive late for class. 上课不要迟到。上课不要迟到。【自主领悟自主领悟】(1)arrive意为意为“到达到达”, 是不及物动词是不及物动词, 跟地点名跟地点名词作宾语时要加介词。例如词作宾语时要加介词。例如: I can arrive here at 8: 00. 我能在八点钟到这里。我能在八点钟到这里。(2)arrive late for相当于相当于be late for, 为固定短语为固定短语, 意为意为“(做某事做某事)迟到迟到”。例如。例如: Dont arrive late for the meeting. 开会别迟到了。开会别迟到了。【用法辨析用法辨析】arrive与与get的异同点的异同点相同点跟home, here和there等地点副词时, 用法相同不同点arrive跟大地点类名词时用介词in, 跟小地点类名词用介词at。get后跟地点类名词时只能用介词to【活学活用活学活用】Our teacher arrivesschool at 7: 30 every morning. A. inB. toC. atD. ofHe gets to the city by train. (改为同义句改为同义句)Hethe city by train. 答案答案: arrives in2. You must be on time. 你必须准时。你必须准时。【自主领悟自主领悟】on time“准时准时”, 指按照规定的时间做某事。例指按照规定的时间做某事。例如如: Please come here on time tomorrow. 请明天按时来这里。请明天按时来这里。【用法辨析用法辨析】on time与与in time的区别的区别in time及时及时(在时间到来之前在时间到来之前)on time按时按时(在规定时间内在规定时间内)The doctors arrived in time and saved the injured man. 医生及医生及时到达时到达, 救了那位受伤者。救了那位受伤者。She goes to work on time every day. 她每天她每天按时上班。按时上班。【活学活用活学活用】Its important to befor the meeting. A. on timeB. in timeC. at any time D. at the same timeThe firemen got to the factoryand put out the fire. A. on time B. in timeC. for the first time D. all the time3. Dont listen to music in class. 在课堂上不要听音乐。在课堂上不要听音乐。【自主领悟自主领悟】(1)listen“听听”, 是不及物动词是不及物动词, 其后接宾语时要其后接宾语时要加介词加介词to。例如。例如: Listen to the teacher carefully in class. 在课堂上认真听老师讲课。在课堂上认真听老师讲课。(2)in class是固定短语是固定短语, 意为意为“在上课在上课; 上课时上课时”。例如。例如: Dont talk in class. Listen to the teacher. 不要讲话。注意听讲。不要讲话。注意听讲。【用法辨析用法辨析】listen与与hear的区别的区别【活学活用活学活用】听听! 你能听见汤姆正在唱歌吗你能听见汤姆正在唱歌吗? ! Can youTom singing now? 不要在会上听收音机。不要在会上听收音机。Dontthe radio in the meeting. 答案答案: Listen; hearlisten to4. We cant wear a hat in our school. 在我们学校里不允许戴帽子。在我们学校里不允许戴帽子。【自主领悟自主领悟】wear“穿穿; 戴戴”, 表示状态。相当于表示状态。相当于be in。例如。例如: He is wearing a black T-shirt. 他穿着一件黑色的他穿着一件黑色的T恤衫。恤衫。【用法辨析用法辨析】wear与与put on的区别的区别 wear“穿着”, 强调穿的状态, 另外还可指戴帽子、戴眼镜等put on“穿上”, 强调穿的动作【活学活用活学活用】Tom oftena black sweater. A. puts onB. wearsC. onD. in请穿上你的雨衣。外面正在下雨。请穿上你的雨衣。外面正在下雨。Pleaseyour raincoat. Its raining outside. 答案答案: put onDoes he have to wear a uniform at school? 在学校里他必须穿着校服吗在学校里他必须穿着校服吗? 【自主领悟自主领悟】(1)have to为情态动词为情态动词, 意为意为“必须必须, 不得不不得不”, 后后接动词原形接动词原形, 有人称、时态和数的变化。其第三人称单数形式有人称、时态和数的变化。其第三人称单数形式为为has to, 过去式为过去式为had to。例如。例如: Its too late. I have to go home. 太晚了。我必须回家了。太晚了。我必须回家了。(2)have to的否定形式和疑问形式要借助于的否定形式和疑问形式要借助于do/does/did等助动等助动词来表示。例如词来表示。例如: You dont have to clean the room now. 你现在没必要打扫房间。你现在没必要打扫房间。【用法辨析用法辨析】have to与与must的区别的区别have to强调客观上要求“不得不”must强调个人主观感觉“必须; 有必要”。没有人称、时态和数的变化。mustnt意为“禁止”【图解助记图解助记】【活学活用活学活用】他今天得去看望他爷爷。他今天得去看望他爷爷。Hevisit his grandfather today. 今天你不必穿校服。今天你不必穿校服。Youwear your school uniform today. 你必须买票进电影院。你必须买票进电影院。Youa ticket to go into the cinema. 答案答案: has todont have tomust buy. 单项选择单项选择1. Can we wear hats in class? . A. Yes, we doB. No, we dontC. Yes, we can D. Yes, we cant2. Can I use your ruler? Yes, you. A. mayB. needC. canD. must3. do you have to do after school? Do my homework, of course. A. WhatB. WhenC. WhereD. How4. late for school again. Sorry, I wont. A. Not beB. Dont beC. Not D. Dont5. Which of the following pictures means“Please be quiet”? . 句型转换句型转换1. We have to stay at home. (改为一般疑问句改为一般疑问句)youto stay at home? 2. Bob has to get home before nine oclock. (改为否定句改为否定句)Bobget home before nine oclock. 3. We can wear our own clothes. (改为一般疑问句改为一般疑问句, 并作否定回答并作否定回答)youyour own clothes? No, we. 答案答案: 1. Do; have2. doesnt have to3. Can; wear; cant1. There are too many rules! 有太多规定有太多规定! 【自主领悟自主领悟】too many意为意为“太多太多”, 后接后接可数名词复数可数名词复数。例。例如如: There are too many people in the zoo today. 今天动物园里有太多的人。今天动物园里有太多的人。【用法辨析用法辨析】too many, too much与与much too的区别的区别短语用法例句too many后接可数名词复数There are too many books in the bookshop. 书店有太多的书。too much“太多”, 后接不可数名词There is too much water on the ground. 地上有太多水。much too“太”, 修饰形容词或副词He is much too fat. 他太胖了。【活学活用活学活用】用用too many, too much与与much too填空。填空。I havehomework to do. The box isheavy for me. There aretrees in the picture. 答案答案: too muchmuch tootoo many2. I must read a book before I can watch TV. 在看电视前在看电视前, 我必须读一本书。我必须读一本书。【自主领悟自主领悟】before作连词作连词, 意为意为“在在以前以前”, 引导时间状引导时间状语从句。例如语从句。例如: I usually brush teeth before I have breakfast. 我通常在吃早饭前刷牙。我通常在吃早饭前刷牙。【归纳拓展归纳拓展】before的其他用法的其他用法【活学活用活学活用】She always says goodbye to her mother before(go)to school. He always washes his feethe goes to bed. A. afterB. becauseC. ifD. before答案答案: going3. Parents and schools are sometimes strict, but remember, they make rules to help us. 父母和学校有时候严格父母和学校有时候严格, 但是记住但是记住, 他们制定规章制度是为了他们制定规章制度是为了帮助我们。帮助我们。【自主领悟自主领悟】(1)strict“严格的严格的; 严厉的严厉的”, 常见的用法有常见的用法有: (2)remember“记得记得”, 后接从句后接从句, 其反义词为其反义词为forget。例如。例如: Please remember what I said. 请记住我所说的话。请记住我所说的话。【用法辨析用法辨析】remember to do sth. 与与remember doing sth. 的的不同不同【活学活用活学活用】The boss is stricthis workers and he is also stricthis work. A. with; withB. with; inC. in; in D. in; withThe room is dirty. Remember(clean)it. 我记得去年见过她。我记得去年见过她。II saw her last year. 答案答案: to cleanremembered that4. Lets practice the guitar. 让我们练习吉他。让我们练习吉他。【自主领悟自主领悟】practice动词动词, 在此意为在此意为“练习练习; 训练训练”, 其后接其后接名词、代词或动名词作宾语。例如名词、代词或动名词作宾语。例如: I practice playing the piano every day. 我每天练习弹钢琴。我每天练习弹钢琴。【归纳拓展归纳拓展】practice的不同词性的不同词性practice还可以作名词还可以作名词, 意为意为“练习练习; 实践实践”。为。为不可数名词不可数名词。例如例如: Practice makes perfect. 熟能生巧。熟能生巧。【活学活用活学活用】We practiceEnglish every day. A. speakB. to speakC. speaking D. spoken玛丽每天练习唱歌。玛丽每天练习唱歌。Maryevery day. 想要成为一名好的游泳选手必须勤加练习。想要成为一名好的游泳选手必须勤加练习。It takes a lot ofto become a good swimmer. 答案答案: practices singingpracticeI have to keep my hair short. 我必须留短发。我必须留短发。【自主领悟自主领悟】keep为动词为动词, 意为意为“保留保留; 保存保存; 保持保持”。keep +sth. +adj.“让某物保持某种状态让某物保持某种状态”。例如。例如: Please keep the window closed. 请让窗户关着。请让窗户关着。【归纳拓展归纳拓展】keep的不同搭配的不同搭配(1)keep +adj.保持某种状态。保持某种状态。(2)keep doing sth. 一直做某事。一直做某事。(3)keep sb. doing sth. 让某人一直做某事。让某人一直做某事。(4)keep sb. /sth. from doing sth. 表示表示“阻止阻止(防止防止)某人某人/某物做某物做某事。某事。”【活学活用活学活用】他总是保持忙碌。他总是保持忙碌。He always. 她喜欢留长发。她喜欢留长发。She likes toher hair. 他让我等了一个小时。他让我等了一个小时。Hemefor an hour. 答案答案: keeps busykeep; longkept; waiting【观察领悟观察领悟】仔细观察例句仔细观察例句, 体会祈使句的用法。体会祈使句的用法。1. Come here, please. (祈使句以祈使句以开头开头)2. Dont eat in class. (否定祈使句是否定祈使句是+动词原形动词原形)3. Lets not play football in the street. (Lets开头的否定祈使句是在开头的否定祈使句是在后加后加not)4. No talking. (No+可以表示禁止性的祈使句可以表示禁止性的祈使句)答案答案: 1. 动词原形动词原形2. Dont3. Lets4. 名词或动名词名词或动名词【探究总结探究总结】 (一一)祈使句的含义及构成祈使句的含义及构成1.祈使句是表示命令、请求、禁止或劝告等的句子祈使句是表示命令、请求、禁止或劝告等的句子, 一般不出一般不出现主语现主语, 其隐含的主语是其隐含的主语是you。2.祈使句以动词原形开头祈使句以动词原形开头, 句末加句号或感叹号。句末加句号或感叹号。3.表示请求或劝告的祈使句往往在句首或句尾加表示请求或劝告的祈使句往往在句首或句尾加please。加在。加在句尾时句尾时, 必须与前面内容用逗号隔开。例如必须与前面内容用逗号隔开。例如: Go and wash your hands. 去洗你的手。去洗你的手。Be quiet, please. 请安静。请安静。Keep off the grass. 勿践踏草坪。勿践踏草坪。(二二)祈使句的句式祈使句的句式1. 肯定祈使句的句式。肯定祈使句的句式。 DoDo型动词原形(+(+宾语)+)+其他成分BeBe型Be +Be +表语( (名词或形容词)+)+其他成分LetLet型Let +Let +宾语+ +动词原形+ +其他成分例如例如: Please have a seat here. 请这边坐。请这边坐。Be a good boy! 要做一个好孩子要做一个好孩子! Let me help you. 让我来帮你。让我来帮你。2. 否定祈使句的句式。否定祈使句的句式。(1)Do型和型和Be型的否定式都是在句首加型的否定式都是在句首加dont构成。例如构成。例如: Dont forget me! 不要忘记我不要忘记我! Dont be late for school! 上学不要迟到上学不要迟到! (2)Let型的否定式有两种型的否定式有两种: “Dont +let+宾语宾语+动词原形动词原形+其他成分其他成分”和和“Let+宾语宾语+not +动词原形动词原形+其他成分其他成分”。例。例如如: Dont let him go. /Let him not go. 别让他走。别让他走。(3)有些可用有些可用no开头开头, 用来表示禁止性的祈使句。用来表示禁止性的祈使句。No smoking! 禁止吸烟禁止吸烟! No fishing! 禁止钓鱼禁止钓鱼! 【实战演练实战演练】. 单项选择单项选择1. this kind of peach, and you will like it. A. To tryB. TryingC. TryD. Tried2. Justhere and dont go around, or your parents cant find you. A. to stayB. stayedC. stay D. staying3. sleep too late. Its bad for your health. A. Do B. NotC. DontD. Please not4. Ben, climb the tree. It is very dangerous. A. doesntB. not C. dontD. isnt5. in bed. Its bad for your eyes. A. Not to read B. Dont readC. Dont to readD. Not read. 翻译下列句子翻译下列句子1. 听我讲。听我讲。_. _. 2. 2. 不要出去。不要出去。_. _. 3. 3. 让我们踢足球吧。让我们踢足球吧。_. _. 4. 4. 我们不要打架。我们不要打架。_._.答案答案: 1. Listen to me2. Dont go out3. Lets play football4. Lets not fight本单元以本单元以“在学校或家里的规章制度在学校或家里的规章制度”为话题为话题, 围绕这一话题围绕这一话题学习祈使句、情态动词学习祈使句、情态动词can和和have to的用法的用法, 因此谈论日常生因此谈论日常生活中的准则也是单元测试中常考话题之一。活中的准则也是单元测试中常考话题之一。【习作在线习作在线】每所学校都有自己的规章制度每所学校都有自己的规章制度, 下面是你们学校的一些规章制下面是你们学校的一些规章制度。请你度。请你(Li Hong)写一封电子邮件向你的笔友写一封电子邮件向你的笔友Lucy做一下介做一下介绍。词数不少于绍。词数不少于50个。个。1. 上课不准迟到。上课不准迟到。2. 课堂上保持安静。课堂上保持安静。3. 见到老师要问好。见到老师要问好。4. 不许在教室里吃东西。不许在教室里吃东西。5. 不许在课堂上听音乐或玩游戏。不许在课堂上听音乐或玩游戏。_【思路点拨思路点拨】(1)体裁体裁: _。(2)人称人称: _。(3)时态时态: _。说明文说明文第一人称或第二人称第一人称或第二人称一般现在时一般现在时【佳作鉴赏佳作鉴赏】Dear Lucy, Thanks for your last letter. You want to know the rules in our school. Now let me tell you about them. We cant arrive late for class. We cant talk loudly in class. We should be quiet. When we meet our teachers on our way, we must say hello to them. We cant eat in the classroom, and we cant listen to music or play games in class. I think we have too many rules. What about yours? Please write and tell me. Yours, Li Hong. 词汇速记词汇速记1. 打架打架 2. 穿穿; 戴戴 3. 安静的安静的 4. 脏的脏的 5. 幸运幸运; 运气运气 6. 学习学习; 学会学会 答案答案: 1. fight2. wear3. quiet4. dirty5. luck 6. learn7. bring(v. )(反义词反义词)带走带走; 拿走拿走8. dish(n. )(pl. )盘子盘子9. noise(n. )(adj. )吵闹的吵闹的10. relax(v. )(adj. )放松的放松的 (adj. )感到放松的感到放松的答案答案: 7. take8. dishes9. noisy10. relaxing; relaxed. 短语互译短语互译1. 上课迟到上课迟到/lateclass2. 清洗餐具清洗餐具 the 3. 帮妈妈做早饭帮妈妈做早饭mombreakfast4. 整理床铺整理床铺 ones bed5. 对某人要求严格对某人要求严格besb. 答案答案: 1. arrive/be; for2. do; dishes3. help; make4. make5. strict with6. 制定规则制定规则rules7. 遵守规则遵守规则the rules8. on time9. listen to. . . 10. go out答案答案: 6. make7. follow8. 按时按时 9. 听听10. 外出外出(娱乐娱乐). 句型攻关句型攻关1. 你们在学校必须做什么你们在学校必须做什么? Whatyoudo in your school? 我们必须总是穿校服。我们必须总是穿校服。We alwaysthe school uniform. 2. 我们能在教室里吃东西吗我们能在教室里吃东西吗? 不不, 不能。不能。wein the classroom? No, we. 答案答案: 1. do; have to; have to wear2. Can; eat; cant3. 晚饭后他也不能放松。晚饭后他也不能放松。After dinner, he. 4. 我不能留长发。我不能留长发。I cantmy hair. 答案答案: 3. cant relax either4. keep; long. 词汇串记词汇串记I have too many1(规定规定)to2(遵循遵循). I have to get up at six oclock and3(整理床铺整理床铺)every morning. I cant meet my friends4(在在之前之前)I finish my homework. I cant watch TV on school nights. And I have to5(读读)some books before I go to bed. I have to help my mom in the6(厨房厨房)on weekends. I have to7(学会学会)to play the piano. Sometimes I have to wash my8(脏的脏的)clothes. I9(感觉感觉)very terrible. My parents are too10(严格严格)with me. I never have fun. 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 答案答案: 1. rules2. follow3. make my bed4. before5. read6. kitchen7. learn8. dirty9. feel10. strict1. (2013济南中考济南中考)up, Anna. Its seven thirty. One more minute, Mum. A. GetB. GetsC. GettingD. Got【解析解析】选选A。考查祈使句的用法。祈使句中谓语动词用动词。考查祈使句的用法。祈使句中谓语动词用动词原形。句意原形。句意: 安娜安娜, 起床啦。七点半了。起床啦。七点半了。稍等稍等, 妈妈。妈妈。故选故选A。2. (2013雅安中考雅安中考)They arrivedShanghaia cold morning. A. in; inB. in; onC. at; onD. at; in【解析解析】选选B。考查介词的用法。考查介词的用法。arrive“到达到达”, 是不及物动是不及物动词词, 到达大的地方用介词到达大的地方用介词in, 到达小的地方用介词到达小的地方用介词at; 表示在具表示在具体的某一天或某个特定的上午、下午或晚上时体的某一天或某个特定的上午、下午或晚上时, 要用介词要用介词on。故选故选B。3. (2013河南中考河南中考)Dad, must we wait until the light becomes green? Yes, Im afraid we. Thats the traffic rule. A. canB. mayC. have toD. need【解析解析】选选C。考查情态动词的用法。由上文句意。考查情态动词的用法。由上文句意“爸爸爸爸, 我我们必须等到灯变绿吗们必须等到灯变绿吗? ”和下文后句句意和下文后句句意“那是交通规则那是交通规则”可可知知, 必须要等到灯变为绿色。必须要等到灯变为绿色。have to“不得不不得不”, 强调客观上强调客观上的要求。的要求。4. (2013绥化中考绥化中考)Rememberoff the lights when you leave the room, please. A. to turnB. turningC. turn【解析解析】选选A。考查非谓语动词。句意。考查非谓语动词。句意: 你离开房间时你离开房间时, 请记请记得关灯。得关灯。remember to do“记得去做某事记得去做某事(事情还没有做事情还没有做)”; remember doing“记得做过某事记得做过某事(事情已经做过事情已经做过)”。故选。故选A。