新目标八年级下册复习讲学稿.doc

八年级下册复习重点 unit 1 Will people have robots?重点词语：参看单词表常考短语：fall in love with sth/sb 爱上某物/某人 go skating 去溜冰 the World Cup 世界杯 come true 实现 science fiction movies 科幻电影 in the future 将来 hundreds of 数以百计的，许多 get bored 变得无聊 seem like 好像，似乎 seem to be +adj/n 看起来.重点语法：参看p96 一般将来时的三种形式：be going to+ 动词原形 will+动词原形 shall +动词原形 主语一定是第一人称另外短暂性动词如come go leave start arrive return 等可以用现在进行时表示将来 如：We are leaving at 6:00 tomorrow morning。我们明天早晨六点出发。 重点句子：1：Do you think there will be robots in peoples homes? 你认为将来在人们的家里都会有机器人吗？ Yes, there will. 是的， 会有 No， there wont. 不，不会有 肯定回答还可以为I think so, 否定回答： I dont think so / I think not.2:There will be less pollution . 以后将会有更少的污染。了解more less fewer 表达数量的用法more 修饰可数名词，也可修饰不可数名词，表更多的less修饰不可数名词，fewer 只能修饰可数名词复数 3：Will people use money in 100 years? 一百年后人们还会使用钱吗？:in+时间段 一般同将来时态连用，一定用记住4：What do you think Sally will be in five years? 你认为萨利五年之后会是怎样的？ do you think 在这里做插入语。 这是一个混合疑问句，do you think . 相当于一个一般疑问句。特殊疑问句+一般疑问句=混合疑问句混合疑问句的句式：特殊疑问词+do you think(其它表心理活动的词如expect，believe等)+陈述句序所谓陈述句序是主语+谓语+其它的句子顺序。疑问句式分为一般疑问句：be动词+主语+表语? Is this your book? 情态动词/助动词+主语+动词原形+其它？ 如： Could you please tell me about it? Do you like it ?特殊疑问句：特殊疑问词+be 动词+主语？如： Where is your watch?特殊疑问词+助动词/情态动词+主语+动词原形+其它？ What do you like best? What can you see in the picture? 5：There are already robots working in the factory? 已经有机器人在工厂工作了。 句型： There be.doing sth. 主语与谓语动词时主动关系 There be. to do 主语与谓语动词不是主动关系。 There is a lot of work to do. 有很多的作业要去做， work 是物，自己不能去做，而是人来做， 重点固定搭配：help sb (to)do sth 帮助某人做某事 help sb with sth 帮助某人某事 make sb do sth 使某人做某事 make sb/sth +adj 使.怎么样 seem to do sth 似乎想去做某事 It seems that+从句 Unit 2 What should I do?重点词语：参看单词表常考短语 keep out 不让.进入 argue with sb 同某人吵架 out of style 过时的 in style 流行的 call sb up 给某人打电话 on the phone 用电话交谈 pay for 支付 part-time job 兼职工作 get on =get along 相处 all kinds of 各种各样的 the same as.和.一致 o.找到时间做某事 as.as possible 尽可能. 重点句子：What is wrong? 怎么了？ What is the matter? 怎么了？What should I do? 我应该怎么做。重点语法：情态动词could should 的用法Should+动词原形 表应当做某事Could+动词原形 表可以做某事两者都可以用来提出建议，表轻微的批评和遗憾，但could 语气更委婉，表征求别人意见时，经常用should. 另外请参看p95-96页的语法。重点句子： I dont know what to do. 我不知道该怎么办。what to do 为疑问词+不定式结构 在句子中作know的宾语， what ,where, how等疑问词可以与不定式一起构成不定式短语，在句子中作宾语，表语或宾语补足语。 Could you tell me where to go? 你能告诉我该去哪吗？短语辨析： keep out 不准入内 keep off 避开 不接近 如：keep off the grass 请勿践踏草地！ enough 的用法: 修饰名词时通常可以放在名词前，也可放在名词后，意思为“足够的” 修饰副词或形容词时，放在形容词和副词的后面，意思为“足够地”enough to. 足够可以.The girl is old enough to go to school. 那个女孩年龄足够大，可以上学。固定搭配： argue with sb about/on sth 因为某事与某人争吵。 give sb sth= give sth to sb 给某人某物 buy sb sth= buy sth to sb 给某人买某物 have a fight with sb= fight with sb 与某人打架a ticket to a ball game 球赛的门票 注意介词to 类似的还有the key to a door 门的钥匙 the way to the school 去学校的路 be surprised at . 对.感到吃惊 in surprise 惊奇地 He looks at her in surprise 他惊奇地看着她 to ones surprise 使某人惊讶的是pay for sth 支付. pay +钱+for sth 花多少钱支付. 如：I paid 30 yuan for this book. 我花30元买了这本书write to sb= write a letter to sb 写一封信给某人get/receive a letter from sb= hear from sb 收到某人的来信ask sb for sth 要求某人某物 ask for sth 要求得到某物ask sb (not）to do sth 要求某人（不）要做某事borrow sth from sb 向某人借某物（主语借入什么东西） lend sth to sb 借给某人某物 （主语借出什么东西）leave for+地点 表动身去某地leave sb by oneself 把某人单独留下 I cant leave the baby by herself. 我不能把这婴儿单独留下。Unit 3 What were you doing when the UFO arrived？重点词语：参看单词表常考短语：barber shop 理发店 get out 出去 take off 脱下衣服，起飞 train station 火车站 run away 逃跑开 hear about 听说 = hear of take place 发生= happen 无被动语态 World Trade Center 世界贸易中心重点语法： 1过去进行时的基本概念及结构：过去进行时表示在过去某一时刻或某一段时间内进行或发生的动作。其形式为was /were + V-ing。常与表示过去的时间状语连用，如：last night, last Saturday等；或者与when, while, as引导的过去时间状语连用。结构：1. 过去进行时由“助动词was/were + 现在分词”构成 例如: We were having supper when the phone rang. 我们正在吃晚饭时电话响了 2. 过去进行时的否定式由“was/were not +现在分词”构成 例如: This time yesterday Jack was not watching TV. He was repairing his bike. 昨天这个时候,杰克不是在看电视,而是在修理自行车 3. 过去进行时的疑问式由“was/were + 主语+ 现在分词?”构成 过去进行时常见的时间状语：then, at that time, this time yesterday 等例如: Were you playing basketball at four yesterday afternoon? 昨天下午四点你们在打篮球吗?过去进行时可以表示在过去某个时间点发生的事情。时间点可以用介词短语、副词或从句来表示。如： What was she doing at nine oclock yesterday? 昨天晚上九点她在做什么？ (介词短语表示时间点) When I saw him he was decorating his room. 当我看见他的时候他正在装饰房间。 (when从句表示时间点) 在复合句中，如果主要动作和背景动作都是延续的或同时发生的，那么主从句的动词都可用过去进行时。例如： While he was waiting for the bus, he was reading a newspaper.他边等车边看报。 (两个动作都是延续的) He was cleaning his car while I was cooking. 他擦车时我在做饭。(两个动作同时进行)过去进行时可以放在When和while引导的时间状语从句中，具体区别是：1：用when 引导的状语从句表示时间，说明一个动作发生时，另一个动作正在进行，也可表示正在进行某一动作时，另一个动作发生了：The students were drawing pictures when the teacher came in. 当老师进来时，学生们正在画画。My pen dropped on the ground when I was walking in the park. 当我正在公园散步时，我的钢笔掉在了地上。2: 用while 引导的时间状语从句一般用过去进行时，表示正在进行某个动作时，发生重点句型：1：The boy was walking down the street when the UFO landed?2: While the boy was walking down the street, the UFO landed.3:What were you doing when the UFO arrived？重点句子：You can imagine how strange it was! 你能够想象到它是多么奇怪！ how strange it was 做imagine 的宾语从句。用陈述语序。 感叹句的基本句型请记住： What+冠词+形容词+可数名词单数+主语+谓语！ What a beautiful girl she is!What+形容词+可数名词复数或不可数名词+主语+谓语！What big apples they are!How +形容词/副词+主语+谓语 How delicious the food is!重点词语及短语辨析：英语里表示“到达”意思的有*arrive*、*reach*和*get*三个单词，有时还能互换。 它们在用法上有如下区别： 1：arrive*是不及物动词，表示“到达、抵达某地（尤指行程的终 点），后常接介词at 或in，一般in接大地方，at接小地方，若是地点副词， 则不需用介词。例如：They arrived at the station at 8 this morning. 他们今天早晨八点到达车站的 Her mother saw her when she arrived home 她到家时她妈妈看见了她2：reach是及物动词，直接接宾语，无须介词They reached Beijing on February 17. 他们于二月十七日到达北京3：get是不及物动词，只是它多用于口语，其后接的介 词是to，后面如接副词，则不用介词to。例如： I get to school at about 7：30 every day，and I get home at 5：00 in the afternoon. 我每天7：30到校，下午5：00到家。 in the tree 指外来人或物在树上 on the tree 指树上本身长的东西在树上。follow sb to do sth 跟着某人去做某事 sth happened +地点/时间 某地/某时发生了某事sth happened to sb 某人出了某事 （常指不好的方面）0sb happened to do sth 某人碰巧做某事Unit 4 He said I was hard-working 重点单词参看单词表：常考短语：first of all 首先 pass on 传递 be supposed to 应该 do well in 在,反面做的好 in good health 保持健康 report card 成绩单 get over 克服 sea level 海平面 open up 打开， 开业 care for 关心=look after = take care of in danger 处于危险中out of danger 脱离危险重点语法，间接引语和直接引语直接引语变间接引语面面观一、如何变人称： 口诀：一随主。二随宾，第三人称不更新。“一随主”是指在直接引语变间接引语时，如果从句中的主语是第一人称或被第一人称所修饰。从句中的人称要按照主句中主语的人称变化如：She said. My brother wants to goshopping with me.”She said her brotherwanted to goshopping with her.“二随宾”是指直接引语变间接引语时，若从句中的主语及宾语是第二人称或被第二人你所修饰。从句中的人称要跟引号外的主句的宾语一致。如果引号外的主句没有宾语。也可以用第一人称，如：He said to Kate. How is your sister now”He asked Kate how her sister was then。 “第三人称不更新”是指直接引语变间接引语时。如果从句中的主语及宾语是第三人称或被第三人称所修饰从句中的人称一般不需要变化如： Mr Smith said, Jack s a good boy.“ Mr Smith said Jack was a good boy.二、如何变时态：直接引语在改为间接引语时、时态需要做相应的调整。 1)一般现在时一般过去时态；Shesaid:”Iamastudent.”Shesaid(that)shewasastudent.2)一般将来时过去将来时She said,He will o to see his friend.”She said he would go to see his friend。Tomsaid,”Iamgoingtoplaybasketballtomorrow.”Tomsaidhewasgoingtoplaybasketballtomorrow.3)现在进行时过去进行时；Shesaid,“Iamreadingabook.”Shesaidshewasreadingabook.但要注意在以下几种情况下。在直接引语变为间接引语时，时态一般不变化。 直接引语是客观真理。 The earth moves around the sun and the moon moves around the earth, the teacher told me. The teacher told me the earth moves around the sun and the moon moves around the earth。 直接引语是过去进行时，时态不变。如： Jack said. John, where were you going when I met you in the street?Jack asked John where he was going when he met him in the street。 直接引语中有具体的过去某年、某月、某日作状语，变为间接引语时，时态不变。如： Xiao Wang said. I was born on April 2l, 1980。 Xiao Wang said he was born on April 20, 1980。 直接引语如果是一般现在时。表示一种反复出现或习惯性的动作，变间接引语，时态不变。如： He said, I get up at six every morning。 He said he gets up at six every morning。 如果直接引语中的情态动词没有过去时的形式（例：ought to， had better, used to)和已经是过去时的形式时，（例：could, should, would, might）不再变。如： Peter said. You had better come have today。 Peter said I had better go there that day。 三、如何变状语： 直接引语变间接引语，状语变化有其内在规津，时间状语由“现在”改为“原来”（例：now变为then, yesterday。变为 the day before）地点状语，尤其表示方向性的，或用指示代词修饰的状语，由“此”改为“彼”（例：this 改为that),如： 具体参看书本p100He said, These books are mine. He said those books were his. 四、如何变句型： 直接引语如果是陈述句，间接引语应改为由that引导的宾语从句。如：She said, Our bus will arrive in five minutes. She said that their bus would arrive in five minutes. 直接引语如果是反意疑问句，选择疑问句或一般疑问句，间接引语应改为由whether或if引导的宾语从句.如：He said, Can you swim, John? He asked John if he could swim. You have finished the homework, havent you? my mother asked. My mother asked me whether I had finished the homework. Do you go to school by bus or by bike? He asked me if I went to school by bus or by bike. 直接引语如果是特殊问句，间接引语应该改为由疑问代词或疑问副词引导的宾语从句（宾语从句必须用陈述句语序）。 She asked me, When do they have their dinner? She asked me when they had their dinner. 直接引语如果是祈使句，间接引语应改为tell(ask, order, beg等) sb (not) to do sth.句型。如： Dont make any noise, she said to the children. She told (ordered) the children not to make any noise. Bring me a cup of tea, please, said she.She asked him to bring her a cup of tea. 直接引语如果是以“Lets”开头的祈使句，变为间接引语时，通常用“suggest +动句词（或从句）。”如： He said, Lets go to the film. He suggested going to the film.或He suggested that they should go to see the film 例如：He says:Please open the window. 改成间接引语是 He asks me to open the window. 如果是命令的，语气强硬的用tell代替ask 如果引号内是句子而不是祈使句，就用that为连接词。 固定搭配： be mad at/with sb 对某人生气 = be angry with sb pass sth to sb= pass sb sth 把.传递给. be supposed to do sth=should do sth 应该做某事 be not supposed to do sth 不应该做某事be good at= do well in 在某方面做的好have a hard time with sth/ doing sth 做某事费了好大的劲=have trouble with sth/doing sth , 类似的还有have fun with sth/doing sth 做某事很开心send sb to do sth 派某人做某事send for 派人去请 send away 开除 撵走 send up 发射重点句子:It all started when she asked me if she could copy my homework. 这一切开始于当她问我她是否可以炒我的家庭作业的时候 这是个多重复合句，when 引导的时间状语从句，而在这个状语从句中又含有一个宾语从句If 引导宾语从句时候，意思为“是否”引导宾语从句时，从句根据需要选择相应的时态，引导条件状语从句时，从句一般用一般现在时表将来，主句用将来时，如：She asks me if I will go shopping with her. 她问我是否将和她一块去购物。 If you go there next week, you will see him. 如果你下周去那里，你就会见到他。另外在含有宾语从句的复合句中，主句是一般现在时，从句可以根据实际情况确定，但如果主句是过去时，从句通常要使用过去的某个时态。I hear that the children are going to skate on Sunday.He told me that the children were going to skate on Sunday.Unit 5 If you go to the party, you will have a great time!重点单词参看单词表常考短语：have a great time 玩得高兴=have a good time =enjoy oneself =have funtake away 拿走 around the world 全世界 make a living 谋生 all the time 一直 mobile phone 移动电话 laugh at 嘲笑 make money 赚钱 be famous for.因为.著名 be famous as. 作为.而著名重点句型：If you do, you will have a great time.如果你那样做，你将会玩的很高兴。动词do 用于条件状语从句或答语中，起替代作用，可使句子更简练。2：If we have it today, half the class wont come. 如果我们今天举行，将有一半的学生不能来。 half 作为adj，一半的，一般放在冠词前，也可以做名词，意思为一半，其复数形式为halves, Two years and a half= two and a half years.两年半Half of 半数的，此结构做主语时谓语动词和介词of 的宾语在数上保持一直。如果是单数形式，谓语动词用单数形式，如果是复数形式，谓语动词用复数形式，与 含有分数的结构做主语的情形是一样的。如：Half of the students are from Hunan,. 半数学生来自湖南。Three quarters of water is clean. 四分之三的水是干净的。固定搭配：be out of work= be out of job 失业sometimes 有时候sometime 副词，在某个时候，在某个不确定的时间里，用于将来时，也可以用于过去时 will see you sometime next week.some time 是名词词组，意思为一段时间I will stay here for some time 我将在这儿待段时间Some times 几次 语法：在复合句中，由从句表示的状语叫做状语从句由连接词if或unless引导的状语从句叫做条件状语从句。1：条件状语从句的引导词：条件状语从句通常由连词if 或 unless=（ifnot 除非，如果不）引导。 You will get grades if you study hard.如果你努力学习，就会取得好成绩。 I will not go to the party unless he goes there too. 我不会去参加聚会的，除非他也去。You will be late unless you leave immediately.= If you dont leave immediately ,you will be late. 如果你不马上走，你将会迟到的。 2：条件状语从句的位置条件状语从句既可以放在主句之前，也可以放在主句之后。如果用在主句之前，要用逗号与主句隔开，如果放在主句后，中间不必用逗号。If it doesnt rain tomorrow, we will go hiking. 如果明天不下雨，我们就去远足。You can pass the exam if you study hard, 如果你努力学习，你就会考试及格。3：条件状语从句的时态在英文中，条件是指某一件事情实现之后（状语从句中的动作），其它事情（主句中的动作）才能发生，通常译作“假如”。（注意：在含有条件状语从句的复合句中，表示将来时态，主句是一般将来时态，从句一定要用一般现在时表将来的概念主将从现原则，并且，切记紧跟着if的那句话是从句。）如： He will not leave if it isnt fine tomorrow. 如果明天天气不好，他就不会走。若主句为含有情态动词的句子或祈使句，则条件状语从句用一般现在时表将来概念 If he comes, let me know.如果他来，让我知道。 (从句用一般现在时，主句是祈使句)Unit 6 How long have you been collecting shells?重点单词见单词表常考短语：a pair of 一双/条 run out of 用尽，用光 by the way 顺便说下 be interested in sth 对.感兴趣 the Olympics Games 奥运会 far away from .离.很远 far away 遥远thanks for .为.感谢 how long 多久时间 anyone else 其它任何人 raise money 筹钱 重点语法：1. 现在完成进行时的定义: 现在完成进行时表示某动作从过去某个时间开始，一直延续到现在，并且还有可能持续下去。如：We have been waiting for him for two hours. 我们等他等了两个小时。 2. 现在完成进行时的结构: 现在完成进行时由“have /has been + 现在分词”构成。3: 现在完成进行时所用的时间状语：this month / week / year, these days, recently / lately, in the past few + 时间段, since +时间点, for + 时间段。如：They have been building the bridge for two month. 两个月来他们一直在修桥。They have been planting trees this month. 这个月来他们一直在植树4: 现在完成进行时与现在完成时的区别: (1) 现在完成时强调动作的完成，而现在完成进行时强调动作的延续，因此，表示动作的完成，只能用现在完成时，而不能用现在完成进行时。如：He has changed his idea. 他改变了想法 (2) 在表示动作的延续时，虽然既可用现在完成时，也可用现在完成进行时，但现在完成进行时强调动作的进行。因此在需要明确表示动作还要持续下去时，应用现在完成进行时。如：We have been studying here for two years. 我们在这儿已经学习了两年了。 (3) 有些延续性动词(如 keep, learn, live, stay, study, work等)，用于现在完成时或现在完成进行时的区别不大。如：I have lived here for many years.=I have been living here for many years. 我在这儿住了多年了。 4) 有些现在完成进行时的句子等同于现在完成时的句子，这些句子往往都含有for,或since 引导的词。 5）现在完成时与现在完成进行时经常与 for 或者since 引导饿时间状语连用。 for+一段时间，since+过去某个具体的时间，不能接一段时间。重点句子：How long have you been skating? I have been skating for five hours.你滑冰多长时间了？我滑了五个小时了。how long 是用来提问时间长短或距离长短的疑问词。How long do you read boos every day? How long is the street?另外， for+ 一段时间 表示”做某事多长时间了”，常用于现在完成时，也可以用在现在完成进行时的句子中，for 所在的句子中的动词时延续性动词。如：I have lived in China for five years. 我已经在中国住了五年了。注意for 与since的用法区别：Since 除可以连词连接时间状语从句外，还可以做介词，翻译为自从。自以来。 其后接某一具体的过去时间，不与表一段时间的词连用，常用于现在完成时的句子中，也可以用于其它时态中，如：We have been studying here since 2009.自2009年以来，我们一直在这里学习。也可以用于句型It is.years since+一般过去时 It is two years since I came to China. 自从我来到中国以来已经两年了2：How long have you been in class today? 今天你上课多长时间了？has /have been in+地点 表某人在某地多久了has/have been to+地点表某人曾经到过某地，但现在已经回来，不在那里了。has/ have gone to+地点 某人到某地去了，现在还没回来，可能在去的途中。也可能在那里或在返回的途中，总之现在不在说话的地方。3：For every hour they skate, each student raise ten yuan for charity. 他们没滑冰一个小时，每个学生就为慈善机构筹集十美元。4：Alison was the first one to start and has been skating for the whole five years. 埃里森是第一个开始的，已经滑了整整五个小时了，The first one to start 第一个开始的人be+序数词+sb+ to do sth 第几个做某事的人the whole five years 整整五个小时限定词+whole+所修饰的词 = all +限定词+所修饰的词 意思为所有的.限定词包括定冠词，数词或其他物主代词等5：My hobby is collecting old coins. 我的爱好是收集旧硬币Collecting old coins 在这里是动名词短语做表语。也可以用不定式短语My hobby is to collect old coins. 另外注意动名词短语或不定式短语做主语时，谓语动词用单数形式。疑难辨析：1：the+比较级， the+比较级 越。就越。句型主从句的时态常用一般现在时或一般过去时The harder he worked, the more he got. 他工作越努力，他得到的就越多2：each与every都有“每个”的意思，但二者含义及语法功能不同，主要区别是：1）. each既可用作形容词，又可用作代词，在句中可以作定语，主语、宾语、同位语、状语等。Each studen t has his own dictionary . （形容词，定语） Each has hi s good point . （代词，主语）Our head teacher had a ta lk with each of us . （代词，宾语）The students each h ave a desk . （代词，同位语）2. each与every都可用作形容词，在句中作定语，但each更强调个人或个别，every更强调全体或全部。比较：I know each number of your family .I know every number of your family .3. each指两个或两个以上的人或事物中的“每个”；every是指许多人或事物的“全体”，与all的意思相近。试译：这条街上每边都有很多商店。误There are ma ny shops on every side of the street .正There a re many shops on each side of the street 4. 指上下文提到过的确定数目中的“每一个”时，要用each；如果上下文没有提及时，不能用each，要用everyone等。试译：我认为这三个答案个个都正确。误I think ever y answer of the three is right .正I think each of the three answers is right .我看见人人都忙着工作。 误I saw each was bu sy with his work .正I saw everyone was busy with his work .5：every 总是修饰单数名词，谓语动词用单数形式。 Every man and woman knows that. 6:each 作为形容词，修饰单数名词，接单数名词，作为代词，单独使用，接单数名词，放在复数名词或代词后做同位语，接复数动词，each of them 后面可接单数或复数动词。Each man carries his own bag. 各人背自己的包。We each have our own office. 我们各有各的办公室。Each of them are/is here.固定搭配： three years and a half= three and a half years. 三年半 含有half 的表达方式：数词+名词（单数/复数）+and+ a half 数词+and+ a half +名词（复数）1：need to do sth 需要做某事 主语是人need doing sth 某事需要被做，主语是物，用主动形式表被动意义。相当于need to be done 如： This bike needs repairing. = This bike needs to be repaired.这辆自行车需要维修了，2：quite 和very 的用法 a very +形容词+可数名词单数 a very smart girl quite a/an+形容词+可数名词单数 quite a smart girl 3: be certain of /about sth 确信。=be sure of/about sth be certain to do sth 肯定要做某事 be sure to do sth 务必要去做某事be certain of doing sth 有把握做某事 = be sure of doing sth be certain that +从句 一定。=be sure +that 从句Unit 7 Would you mind turning down the music? 重点单词见单词表常考短语：not at all 一点也不 turn down 调低音量 turn up 调大音量 turn on 打开 turn off 关闭 right away 立即 =at once wait in line 排队 cut in line 插队 at first 首先=first of all =firstly= at the beginning =to start with=to begin with. keep.down.控制 take care= look out 小心 take care of= care for =look after 照顾，关心 put out 熄灭 break the rule 违反规则 pick up 捡起 接代词必须放中间，接名词可放中间或后面。重点语法：委婉提出自己的请求或不满的表达方式： 重点句型： Would you mind doing sth? 你介意做某事吗？ Not at all 一点也不介意相当于Do you mind doing sth?Would you mind not doing sth? 你介意不做某事吗？Ok /Sorry . 不好意思Could you please do sth?你可以做某事吗？ OK, I will do ,in a minute. 好，我马上去做.= Would you please do sth? 三种回答都表示不介意或答应别人要求的事。以Would you mind doing sth?或Do you mind doing sth?提出来的表礼貌的请求，肯定回答常用 Not at all/ Of course not / Certainly not. Sorry, I will do.否定回