人教版八年级英语下册第二单元知识点汇总

1、人教版八年级英语下册第二单元知识点汇总01、重点短语clean up打扫或清除干净cheer up（使）变得更高兴，振奋起来give out 分发；散发come up with 想出；提出（主意，计划，回答等）put off 推迟hand out 分发call up 打电话给某人；征召used to 曾经.过去.care for 照顾；喜欢try out 参加；选拔；试用fix up 修理；装饰give away 赠送；捐赠help out帮助解决困难；帮助.做事run out of 用完set up 建起；设立be similar to和.相似come true 实现be excited a

2、bout对.感到兴奋take after（外貌或行为）像set up 建起，建立21. make a difference 影响；有作用02、重点句子Grammar Focus 句子Id like to help homeless people.我想帮助无家可归的人。She decided to try out for a volunteer after-school reading program.她决定参加一个课外阅读项目的志愿者选拔。You could ask hospitals to let you visit the kids and cheer them up.你可以请求医院让你看

3、望那些孩子，并让他们高兴起来。Mario believes it can help him to get his future dream job.马里奥相信这能帮助他找到将来梦寐以求的工作。She volunteers there once a week to help kids to read.她每周去那儿做一次义工，帮助孩子们学习阅读。Im making some signs to put up around the school.我正在制作一些要张贴在学校周围的标牌。其他句子Im making some plans to work in an old peoples home this

4、 summer.我正在制定今年夏天去老年之家工作的一些计划。They told me some stories about the past and how things used to be.他们给我讲过去的生活经历，讲过去是什么样子的。3but I want to learn more about how to care for animals.但是我想更多地了解如何照顾动物。I get such a strong feeling of satisfaction when I see the animals get better and the look of joy on their o

5、wners faces.当我看到动物们（病情）渐好，还有它们主人脸上喜悦的表情时， 我会有一种强烈的满足感。Volunteering is a dream come true for me.在这里志愿者对我来说是梦想成真。I am sure you know that this group was set up to help disabled people like me.我相信你知道这个组织是为了帮助像我这样的残疾人而成立的。You helped to make it possible for me to have Lucky.有了你的帮助，我才有可能拥有“幸运儿”03、语法和知识点总结c

6、ould modal v.能；可以用法详解:could作情态动词后接动词原形。可以用于提出建议，语 气比can委婉。E.g. You could help the workers to carry these boxes.你可以帮组人们搬运这些箱子。volunteer v.志愿做；义务做n.志愿者E.g. As a volunteer, Thomas volunteers in a shop center. Last Sunday, he volunteered to wash clothes for the old in an old peoples home.作为一名志愿者，托马斯在一家救

7、助中心做义工。上周日，他义务 为一家 养老 院的老人们洗衣服。3.used to曾经.过去表示过去一度存在或经常发生但现在已 经不存在的动作或状态。E.g. He didnt use to wear glasses. = He usednt to wear glasses.他过去不戴眼镜。拓展延伸：get used to/be used to doing 习惯于做某事be used to do sth.被用于做某事E.g. Gina used to live in the countryside with her parents, but now she is used to living w

8、ith her classmates at school.吉娜过去和她父母一起住在乡下，但现在她习惯和同学们一起住在学 校。4.each/every两者均可表示“每个”，但用法不同既w作限定词又可作代 用于单数主语前谓语动词：强调个性，着眼于整 体中的个体词用单数&用于复数主语后，谓语动 词用复数，词：强调个性，着眼于整 体中的个体词用单数&用于复数主语后，谓语动 词用复数，each of后接复数名词或 代词作主语时，谓语动词 用单数只能作限定伺，强调共 性，着眼于整体用于单数主语前，谓语动词用单数，不能侦只能作限定伺，强调共 性，着眼于整体用于单数主语前，谓语动词用单数，不能侦M连用E.g.

9、Each student has a book.每个学生都有一本书。They each have ten books.他们每个人都有十本书。Each of us has a gift.我们每个人都有一份礼物。Every member in my family likes exercising.我家所有人都喜欢运动。5.be busy with忙于.后接名词或代词be busy doing sth .忙于做某事E.g. Mr. Brown is a businessman. He is busy with his work every day.布朗先生是一位商人，他每天忙于他的工作。We are

10、 busy preparing for the coming exam.我们正忙于即将到来的考试。6.imagine (v.)imagine +n./pron.想象E.g. Can you imagine a life without the Internet?你能想象没有因特网的生活吗？imagine (sb.) doing sth.想象(某人)做某事E.g. She couldnt imagine living in a place like that.她无法想象住在那样一个地方。imagine+从句想象.E.g. Can you imagine that we could build a

11、 beautiful city with rubbish?你能想象我们可以用垃圾建一座漂亮的城市吗？7.interest (v./n.) n.兴趣，关注 v.使感兴趣，使关注用法详解:interest作名词，意为“兴趣，关注”其短语：have (an) interest in 对.感兴趣have no interest in 对.不感兴趣take /show an interest in 对.产生兴趣lose interest in 对.失去兴趣8.动词不定式(I):动词不定式的基本形式是“to+v.”有时to可以省略。动词不定式 是没有人称和数的变化。在句中不能作谓语，其否定形式是“not

12、to+v.动词不定式的常见用法用法说明示例作宾语常接动词不定式作宾语的动词有：想 要拒绝忘记(want;refiise: forget)需要努力学习(need; try; learn) 选择同意帮助(choose; agree; help)希望决定开始(hope/wish/expect; decide; begin-start)Lily wants to find a job as an English teacher in Beijing. 李莉想在北京找一份英语 教师的工作。He decided to help the homeless.他决定帮助那些无家可归 的人。作宾语补足 语常接不定式作宾补的动词有： ask;allov;tell;want;teach ;wish;h e lp;wam, inv ite ;encourage.She asked me to help with him.他让我帮助他，The teacher always tells us not to swim in the river.老师总是告诉我们不要在 河里游泳。作目的状语动词不定式(短语)作目的状语可以 放在句首，一般用逗号与后面的内容 隔开，也放在句尾。To get there on time, they started early.为准时