2017年人教版初中英语九年级英语课文知识点同步精讲unit12

人教版九年级英语unit12知识点归纳人教版九年级英语Unit 12 知识点归纳Unit 12是人教版九年级英语教材中的一单元，本单元主要涉及到动词的时态、主谓一致等语法知识，同时也包括了一些关于旅行和海洋生物的话题。

下面将对本单元的知识点进行归纳总结。

一、动词的时态在本单元中，我们学习了一些动词的过去时、现在完成时和将来时的用法。

1. 过去时：表示过去发生的动作或状态。

单数形式动词在后面加了-ed，而复数形式动词则加了-d或-ed。

例如：- We lived in a small village before we moved to the city.- They played basketball yesterday afternoon.2. 现在完成时：表示过去发生的动作对现在造成的影响或仍然存在。

由have/has + 过去分词构成。

例如：- I have visited the Great Wall twice.- She has already read that book.3. 将来时：表示将来要发生的动作或存在的状态。

由will + 动词原形构成。

例如：- We will go to the beach tomorrow.- They will have a party next week.二、主谓一致主谓一致是指主语和谓语在人称和数上保持一致。

在本单元中，我们需要特别注意以下几点：1. 主语为第三人称单数时，谓语动词需要加-s或-es。

例如：- He often goes to the cinema on weekends.2. 表示时间、距离、金钱等的量词作主语时，谓语动词的单复数形式与它们代表的数量有关。

例如：- Ten yuan is enough to buy a drink.三、旅行话题在本单元中，我们学习了一些与旅行相关的词汇和句型，并通过对话的形式来进行实际应用。

一、短语：1.make me sleepy使我困倦2.drive sb.crazy使……发疯3.yes and no好坏参半4.feel left out感觉被忽视5.sleep badly睡眠很差6.don’t feel like eating不想吃东西7.for no reason毫无理由8.neither…nor…既不……也不……9.let…down使…失望10.take one’s position替代我的职位11.to start with起初12.get the exam result back取考试成绩单13.remain unhappy forever永远不幸福14.a shirt of a happy person一件快乐人的衬衫二、知识点：1.by the time作连词引导时间状语从句，当从句用一般过去时，主句用过去完成时;当从句用一般现在时，主句用一般将来时或将来完成时。

如：(1)By the time I got outside,the bus had already left.当我出来的时候，公共汽车已经走了。

(2)I’ll be in bed by the time you get home.你到家时，我已经上床睡觉了。

2.表示“把某物忘在某处”要用词组leave sth in a place。

如：I've left my umbrella at home.我把伞忘在家里了。

forget意为“遗忘某物”，指忘记一件具体的东西，但不能有具体的地点。

如：I forgot my umbrella yesterday.我昨天忘了带伞。

3.above的用法：(1)作介词：在……上面，如：The moon is above the trees now.月亮现在正位于树梢上。

‚在…之上，超过，如：They are children above six years old.他们是六岁以上的孩子。

人教版英语九年级上册Unit12 知识点详解Life is full of surprises and unexpected events that can catch us off guard。

We never know what will happen next。

and sometimes it can be XXX。

it is important to stay positive and embrace the unexpected。

as it can lead to new XXX.2.By the time I woke up。

my roommate had already left for work.当我醒来时，我的室友已经去上班了。

解析】by the time意为“在……之前”，表示一个动作在另一个动作之前完成。

典例精讲①_____________________。

the train had already left.(当我到达车站时，火车已经开走了。

)②_____________________。

XXX(到他打完电话时，他已经完成了作业。

)3.I offered to give her a lift to the airport.我主动提出捎她一程去机场。

解析】give…a lift意为“捎（某人）一程”，表示主动提供搭载某人的服务。

典例精讲①Can you _________________________to the train n。

(你能开车送我去火车站吗？)②I___________________________to the supermarket。

(我主动提出开车送她去超市。

)4.The alarm clock went off。

and I rushed out of bed.闹钟响了，我立刻从床上跳起来。

解析】go off意为“响铃”，表示闹钟、警报等声音的响起。

典例精讲①The fire alarm _________________________。

人教版九年级全一册英语Unit 12 重点语法知识点复习提纲Unit 12 Life is full of the unexpected.一、【精选单词】：backpack, bean, block, boss, course,cream, discovery, east, lady, market,officer, pie, west, worker，burn, miss, oversleep，give ... a lift , take off , take place二、【词组归纳】1.make me cry让我哭2. make sb. uncomfortable 让某人不适3.the awful pictures 讨厌的图片4.make sb. nervous 让某人紧张5.make sb. sleepy 让某人发困6.make sb. relax 让某人放松7.would rather do 宁愿8.drive sb.crazy/mad 迫使某人发疯/发狂9.stay at sp. 呆在某地10.want to leave •想离开11.be sure 确信12.have fun with 和某人玩的开心13.the more…the more 越…越14.get to know 逐渐了解15.have a lot in common 有很多共性16.spend more time together lately1 近来多花时间在一起17.be friends with sb. 成为某人的朋友18.each time .每次19.be/feel left out 被忽略/感到被冷落20.make our friendship stronger 使友情更坚固21.sleep badly .睡不好22. feel like doing 愿意23.pale as chalk 苍白24.cry for no reason 无故哭泣25. be called in.被招来26.examine the king •给国王检查27.find nothing wrong with his body 发现他的身体没什么毛病28.in his mind 在他的心里29.neither …nor 既不…也不30.the prime minister 首相31.explain the situation to sb. 向某人解释情况32.have a lot of power 有很大权力33.be worried about /worry about 担心34.lose my power 失去权力35.take one’s position/place 代替某人36.have a lot of wealth 有大量财富37.it’s true that ….是真的38.be followed by 被追随39.top general 大将军40. in three days’time •••三天时间后41.to start with 起初，开始时42.throw rubbish 扔垃圾43.clean up the streets 打扫大街44.get...back 取回，要回45.hand back 发下46. answer well 答的好47.remain unhappy 依然不开心48.a person with power and money 一个有钱有势的人49.search for 搜寻50.even though 即使51.a heavy weight on his shoulders 重担压在肩上52.walk home alone 独自走回家53.the worst day of his life 一生中最糟糕的一天54.stop doing/to do 停止正在做/去干55.think about 考虑56.on the soccer field 在足球场57.miss doing 错过做...58.let sb. down •12.使...失望59.kick sb. off ••开除某人•60.as soon as 一...就61.walk through the door 走过门62.without another word 没有再说一句话63.hear sb. doing 听到某人正在做64.knock on the door 敲门65.let sb. in .让某人进入66.be too hard on sb. 对某人苛刻/严厉67.team effort 团队努力68.the only reason 唯一理由69.support each other.相互支持municate with 同...沟通/交流71. learn from 向...学习72.do sth. with courage ••••有勇气做某事73.rather than 而不是74.fear in his heart 心中的恐惧75.be close to 靠近，接近76.pull together 齐心协力77.to his surprise and relief 令他吃惊和欣慰的78.nod in agreement 点头同意79.not one person's fault 不是一个人的错80.feel lucky to do 感觉幸运地做...81. be on a winning team .在一个会赢的队伍中82.miss a goal .失球83.offer sb. sth.=offer sth. to sb. .给某人提供某物84.be asked to leave 被请求离开85.put so much pressure on sb. ••给某人施加如此多的压力86.work hard together .团结协作，齐心协力87.win /lose a competition 赢/失去比赛88.perform sth. well/badly 表演什么好/坏89.in front of a big group of people 在一大群人面前90.get into a fight with sb. 与某人打架/争吵91. follow me around …到处跟着我 ...三、【重点句式】；1.Life is full of the unexpected. 生活充满了意料之外的事。

人教英语九年级unit12知识点Unit 12: EarthquakesIntroduction:In our English textbook for the ninth grade, we are introduced to the fascinating topic of earthquakes in Unit 12. Earthquakes are natural disasters that have been occurring throughout history, causing both destruction and curiosity. This unit provides us with valuable knowledge about the causes, effects, and preventive measures related to earthquakes. In this article, we will delve into the key points covered in this unit, exploring the science behind earthquakes and their impact on the environment and human lives.Causes of Earthquakes:Earthquakes are primarily caused by the movement of tectonic plates, huge slabs of the Earth's crust that fit together like pieces of a jigsaw puzzle. The Earth's lithosphere is divided into several plates, and when these plates move past each other, they often get stuck due to friction. The accumulated stress is then released in the form of seismic waves, leading to an earthquake. These movements often occur along faults, which are cracks or fractures in the Earth's crust.Types of Faults:In this unit, we learn about three main types of faults: normal faults, reverse faults, and transform faults. Normal faults occur when the Earth's crust is stretched, causing one side of the fault to move downward relative to the other side. Reverse faults, on the other hand, occur when the Earth's crust is compressed, resulting in one side of the fault moving upward. Transform faults occur when two tectonic plates slide past each other horizontally.Earthquake Measurement:The magnitude of an earthquake is an essential factor in understanding its intensity. In this unit, we are introduced to the Richter scale, developed by Charles F. Richter, which measures an earthquake's magnitude. The Richter scale is logarithmic, meaning that each whole number increase on the scale indicates a tenfold increase in the amplitude of seismic waves. This scale helps scientists categorize earthquakes and understand their potential destructive power.Effects of Earthquakes:Earthquakes can have devastating effects on both the natural environment and human civilization. One of the most visible effects is the destruction of buildings and infrastructure. Poorly constructed buildings are especially vulnerable to collapse during an earthquake.Additionally, earthquakes can trigger landslides, tsunamis, and even volcanic eruptions in certain cases. These secondary effects can result in further loss of life and property.Preventing and Preparing for Earthquakes:While we cannot prevent earthquakes from occurring, we can take steps to minimize their impact and be better prepared. Public awareness campaigns, strict building codes, and implementing earthquake-resistant designs are essential strategies for reducing the damage caused by earthquakes. Moreover, creating emergency response plans, organizing regular drills, and educating individuals on proper evacuation procedures are crucial for ensuring the safety of communities during earthquakes.Conclusion:Unit 12 of our English textbook provides us with a comprehensive understanding of earthquakes. From the causes and types of faults to the effects and preventive measures, we have explored the various aspects of this natural phenomenon. Earthquakes are powerful reminders of the dynamic nature of our planet and the need for preparedness. By gaining knowledge about earthquakes, we can contribute to creating a safer and more resilient society in which we live.。

Unit 12 Life is full of the unexpected.知识点讲解一、Life is full of the unexpected. 生活充满了出乎意料的事。

unexpected adj.出乎意料的；始料不及的the unexpected＂意外的事情；出乎意料的事＂。

英语中，有些形容词与定冠词the连用，表示一类人或事物，在句子中起集体名词的作用。

the homeless 无家可归者the disabled 残疾人the poor 穷人the rich 富人例句：The old should be taken good care of by the government.政府应该好好照顾老年人。

二、By the time I got up, my brother had already gotten in the shower. 当我起床时，我哥哥已经进了浴室了。

by the time表示＂到……时为止，在……以前＂，常引导表示过去的时间状语从句，主句常用过去完成时，即had+动词过去分词。

例句：By the time I got there, he had already left.在我到那儿之前，他已经离开了。

三、I was about to go up when I decided to get a coffee first. 我正要上楼，这时我决定先去买杯咖啡。

be about to... when...意为＂正打算做……突然……＂，可表示将来的情况，但它表达的是最近的将来。

1、【辨析】be about to do与be going to do① be about to do表示马上就要发生的事，可与when引导的时间状语从句连用。

例句：We are about to start. 我们就要出发了。

【注意】be about to do不可和tomorrow等表示将来的副词连用。

九年级Unit 12重点知识一词形词块拓展①agree v. 同意，赞成，应允→disagree v. 不同意，有分歧→ agreement n. 一致，同意→disagreement n. 意见不一，分歧，争论② disappoint v.使失望→disappointment n. 失望；沮丧；扫兴→disappointed adj. 失望的；沮丧的；失意的→disappointing adj. 令人失望的，令人沮丧的，令人扫兴的③ expect v. 预料；期待→expectation n.期待→expected adj. 预料的，预期的→unexpected adj. 出乎意料的；始料不及的④ oversleep v. →overslept（过去式/过去分词）睡过头，睡得太久⑤ burn v. →burned/burnt （过去式/过去分词）→burning (现在分词)着火，燃烧→burning(adj.)着火的，燃烧的get burnt 被晒伤⑥ believe v.相信；认为有可能→belief n. 相信，信仰，信念→believable adj. 可相信的，可信任的；→unbelievable adj. 难以置信的，不真实的→disbelief n.不信，怀疑⑦ work v. 工作n. 作品→worker n. 工作者；工人⑧ fool v. 愚弄→foolish adj. 愚蠢的；→n. 蠢人，傻瓜二重点短语by the time....在.....以前go off (闹钟)发出响声rush out of the door 冲出门外give.....a lift 捎.....一程at least 至少be full of....充满.....be five minutes late for class 上课迟到5分钟even though 即使；尽管wait in line with 和.....排队等候go on 继续，发生stare at sb./sth. 盯着某人/某物in disbelief 不信；怀疑地jump out of bed 从床上跳下来go straight to the airport 直奔机场think to oneself 心中想，盘算wait till the next day 等到第二天hear about 听说the day before 前一天turn into 变成show up 露面；赶到by the end of 在(某时间点)以前get dressed 穿上衣服costume party 化装舞会stay up all night 整晚熬夜April Fool's Day 愚人节an introduction to...对...的介绍take place 发生sell out 卖光lose weight 减肥find out 弄清，查明cancel one's show 取消某人的节目police officers 警官rush to...匆忙去... more than 超过，多于run away from 逃离on the first day of school 在上学第一天turn around 转向；回转hand in 上交be about to do sth. 正要做某事end up doing sth. 以做某事告终across the country 遍及全国spread across the country 传遍全国run out of 用完；耗尽leave my backpack at home 把我的背包忘在家play all kinds of tricks and jokes on each other 互相玩各种各样的把戏和玩笑三.Grammar过去完成时1.When I got to school, I realized I had left my backpack at home.2.By the time I got back to school, the bell had rung.3.But before I got to the bus stop, the bus had already left.Summary:1)意义：过去完成时表示过去某个时间或某个动作____发生的动作，它表示动作发生的时间是“________________”,它是一种相对于___________的时态，没有_________________就没有过去完成时态。

人教版英语九年级上册Unit12知识点详解Unit 12Life is full of the unexpected.专题导入重点短语：by the time在……之前get up起床be full of充满give…a lift捎（某人）一程go off响铃rush out冲出wake up醒来at XXX至少；反正be about to将要go on发生；向前走XXX盯着……看in XXX怀疑地in line with (与……)成一排turn into变成take off起飞jump out of从……跳下show up赶到by the end of在（某时间点）以前getdressed 穿衣服stay up熬夜XXX愚人节Costume party化妆舞会XXX卖光take place产生play XXX和某人开玩笑end up以……结束get married to和……结婚run out of用完知识点梳理Section A1.Lifeis full XXX.糊口充溢了不测。

(题目）【剖析1】be full of = be filled with充溢，装满典例精讲①Our life is ______________chances, but there are also a lot of challenges.(充满)②The box is_______________(装满) books.③On hearing the news, her heart was _____ gratitude.A. XXX with第1页【剖析2】unexpectedadj.出乎料想的；始料不及的XXX“意外的事情”“出乎意料的事”。

the＋adj.表示一类人或事物。

英语中，有些形容词与定冠词XXX连用，表示一类人或事物，在句子中起名词的作用。

the homeless(无家可归者)the disabled(残疾人)The old should be taken good care of by the government.It will not be unexpected if XXX, because he is always like this.2.By the timeI got outside, the bus had already left.当我出来时，大众汽车曾经分开了。

人教版英语九年级全册Unit 12知识精讲Unit 12 Life is full of the unexpected.Section A1. By the time I got up, my brother had already gotten in the shower. 在我起床之前，我的兄弟已经在洗澡了。

本句为过去完成时态，表示在过去某一时间或动作之前已经发生或完成了的动作，即“过去的过去”。

构成：过去完成时由“助动词had + 过去分词”构成，其中had 通用于各种人称。

They had already had breakfast before they arrived at the hotel.与过去完成时连用的时间状语有：（ 1 ）by + 过去的时间点。

如：I had finished reading the novel by nine o'clock last night.（ 2 ）by the end of + 过去的时间点。

如：We had learned over two thousand English words by the end of last term.（ 3 ）before + 过去的时间点。

如：They had planted six hundred trees before last Wednesday.例：—We all went to the cinema except you last night. Why didn't you come?—Because I ______ that movie twice.A. have watchedB. had watchedC. was watchingD. would watch答案:B【解析】考查过去完成时的用法。

根据上下文可知：我昨晚不去看电影，是因为我以前看过了。

叙述的是“过去的过去”发生的事，故用过去完成时态，选B项。

人教版新目标英语9年级全册讲解-Unit 12 Unit 12 Y ou’re supposed to shak hands. 重点、难点、考点及疑点注释重点、难点、考点及疑点注释1. Y ou’re supposed to shake hands.(P94)你们应该握手。

你们应该握手。

be supposed to 用来表示根据规定或按照法律人们不得不做的事，或期待将要发生的事，与should 相似，后面也是接动词原形。

否定形式在be 动词后加not ，常表示禁止做某事。

，常表示禁止做某事。

We’re supposed to make no noise in class. 在课堂上我们不该发出噪音。

在课堂上我们不该发出噪音。

We’re supposed to start work at 8∶00 every morning. 我们应该每天早晨八点开始工作。

我们应该每天早晨八点开始工作。

2. Spending time with family and friends is very important to us. (P96)与家人和朋友共度时光对我们非常重要。

与家人和朋友共度时光对我们非常重要。

Spending time with family and friends 是动名词短语，在本句中作主语。

动名词是动名词短语，在本句中作主语。

动名词（短语）作主语时，谓语动词要用第三人称（短语）作主语时，谓语动词要用第三人称单数形式。

如果是并列的动名词（短语）作主句时，谓语动词用复数形式。

单数形式。

如果是并列的动名词（短语）作主句时，谓语动词用复数形式。

Reading in bed is not good for your eyes. 在床上看书对眼睛不好。

在床上看书对眼睛不好。

Reading and writing take me a lot of time. 读书写作花了我不少时间。

读书写作花了我不少时间。