人教版八年级下册英语Unit8知识点
人教版八年级英语下册unit8单元知识点归纳总结
人教版八年级英语下册unit8单元知识点归纳总结Unit 8 Knowledge Summary n AHave you read "Little Women" yet。
This is an example ofthe present perfect tense。
The basic sentence structure for the present perfect tense is: subject + auxiliary verb "have/has" + past participle of the verb。
The auxiliary verb "have/has" can be usedin negative and n forms as well。
This tense is used to indicate the impact or result of an n that happened in the past on the present。
It is often used with adverbs such as "already," "yet," "never," "ever," "before," and "just." It can also be used to XXX up to the present。
often with time ns such as "since" or "for."For example。
"I have finished my homework。
so I am free now." This XXX being free at present。
新课标人教版八年级英语下册Unit 8 Why don’t you get her a scarf？课文知识点解析
Unit 8 Why don’t you get her a scarf？课文知识点解析Section ACompare qualities.比较质量。
1.What do you think of these gifts?Write each gift under one or more of the words in the chart.Add other gifts to each column.你认为这些礼物怎么样？把每一样礼物填写在下面的表格里，然后在每一项的后面再填上其他的礼物。
What do you think of...? 你认为……怎么样？例如：What do you think of Chinese food?你认为中国食物怎么样？What do you think of the novel written by Jiu Dan?你认为九丹写的这篇小说怎么样？2.What should I get my mom for her birthday?我应该送给妈妈什么作为她的生日礼物？How about a scarf?送条围巾怎么样？No，that’s too boring.不，这太没意思。
3.Listen and number the comments in the order you hear them.听录音并按你听到的顺序给下面的评论标上序号。
4.Listen.In each conversation about gifts，who is the person shopping for?Put a check （√）in the correct column.听力。
在每一段关于礼物的对话中，这个人是在为谁买东西？在每一个正确的选项上打√。
5.not special enough 不够特别not creative enough 不够有创造力enough“足够的”，修饰形容词或副词，要放在它所修饰的词后面。
人教新目标英语八年级下册Unit8知识点总结与练习
2020年春人教新目标英语八年级下册Unit 8 Have you read Treasure Island yet语言知识点1. be full ofbe full of意为“充满”，相当于be filled with。
例如：The glass is full of water.=The glass is filled with water. 杯子里装满了水。
The classroom is full of different boys and girls.教室里挤满了不同的男孩女孩。
2. put downput down意为“记下，放下”，为“动副型”短语，宾语若为代词，应放在put与down之间。
例如：Put down the new words and then read them loud.把生词记下来，然后大声读出来。
Put down your bag and take a rest.把包放下，休息一会吧。
【拓展】put短语集锦：put up搭起；张贴；举起put off推迟put away放好；存钱put back放回；把（钟）拨慢put out伸出；扑灭put into放进；翻译put on穿上put one’s heart into用心去做3. hurry uphurry up为固定短语，意为“赶快；快点”。
例如：Hurry up, or you will be late.快点，否则你会迟到的。
【拓展】常见的hurry短语集锦：(1)hurry off/away意为“匆匆离去”。
例如：Miss Zhao hurried off to look after the man.赵老师匆匆赶去照看那个人。
(2)hurry into意为“匆忙进入”。
例如：Her parents are trying to hurry her into marriage.她父母设法催她快点结婚。
(3)hurry out意为“匆忙出去”。
人教版八年级下册英语Unit8 Have you ever read Treasure Island yet知识点梳理
人教版八年级下册英语Unit8 Have you ever read Treasure Island yet?知识点汇总
【语法讲解】
现在完成时 (Present Perfect Tense)
(1)表示过去发生或已经完成的动作对现在造成的影响或结果。
—It’s so dark.
—Someone has turned off the light.
(2)表示从过去某一时间开始并一直持续到现在的动作或状态。
常与since+过去的时间点，for+一段时间，since+时间段+ego, so far等时间状语连用。
I have lived here for ten years.
I have lived here since 2003.
(3) 基本结构及句型转换：主语+have/has+过去分词(done)
①肯定句：主语+have/has+过去分词+其他 I have finished my homework. (肯定句)
②否定句：主语+have/has+not+过去分词+其他 I have not finished my homework. (否定句)
③一般疑问句：Have/Has+主语+过去分词+其他
—Have you finished your homework?
—Yes, I have. / No, I haven’t, (一般疑问句及肯定、否定回答)
(4)has gone (to), has been (to), has been (in) 的区别。
现在完成时(unit8--unit10知识点总结)人教版英语八年级下册
现在完成时一．定义三要素与构成〔has/have done〕1.表示到现在为止已经完成或刚刚完成的动作。
By now, I have remembered 1000 English words.2.一件发生在过去的事情对现在产生影响。
常见时间状语：常和already〔已经〕，yet〔已经〕，just〔刚刚〕，still〔仍旧〕，so far〔到目前为止〕，till now,(直到现在)，before〔以前〕，ever〔曾经〕，3 times(三次)，in the past/last..years(在过去几年)I have spent all of my money so far.（1）already:〔已经〕用于确定句位置：放于助动词与done 之间或者放在句末（2）yet:疑问句〔已经〕否认句〔还〕位置：常放句尾（3）ever(曾经)：疑问/确定位置：助动词与done之间（4）never〔从不〕位置：助动词与done之间【练习】〔1〕——你吃过早餐了吗？—Have you had breakfast ____?——是的，我已经吃过了。
/不，我还没吃。
—Yes，I have ________ had it./No，I haven’t had it ____.〔2〕I have ______ read this book，so I don’t know what it is about.〔3〕—Have you _____ been to the Great Wall? It’s so wonderful and great.—No，I have ______ been there.3.一个动作开头于过去，并持续到现在〔或许还将持续下去〕。
常见时间状语：①for＋一段时间“长达/持续了……②since＋过去一个时间点，表示“自从……以来〞时间段+ago，表示“从……以前〞+for+时间段从句〔一般过去时〕eg:Mary has been ill for three days.We have been classmates since 2 years ago.【练习】〔1〕我已经住在这里十年了。
Have+you+read+Treasure+Island+yet+知识点 人教版八年级英语下册
Unit 8 Have you read Treasure Island yet?知识点1full形容词满的，饱的,be full of 装满了….满是...be filled with..装满了...例：The bag is full of books.这个包里装满了书。
知识点2billion，million，thousand，hundred等表示数量的词前面有具体数字时，其后不加s,前面没有具体数字，表示模糊数量时，其后加s，加of例:He has sold more than three million records.知识点3hurry up 快点，赶快in a hurry 匆匆忙忙hurried to do sth匆忙做某事例：Only five minutes left，hurry up！只有5分钟了，快点！知识点4belong to属于，归…所有to 是介词，后跟名词或代词的宾格例:The dictionary must belong to Tom.这本词典肯定是Tom的。
As long as we pull together, success must belong to us.只要我们齐心协力，成功一定属于我们。
知识点5towards介词朝，向，对着表示向着某个方向，没有达到之意例:One of them died but the other ran towards my house.他们其中一个人死了，但另一个跑向我的房子。
知识点6introduce动词，介绍，引见introduce A to B把A介绍给Bself-introduction自我介绍introduction名词，介绍introduce oneself 介绍某人自己make a self-introduction 做自我介绍例：Have you introduced this writer to others? 你把这名作家介绍给其他人了吗？Please let me introduce myself.请允许我做个自我介绍。
人教版八下英语u8笔记
人教版八下英语u8笔记
以下是有关人教版八下英语u8的笔记，供您参考：
Unit 8 grammar
一、被动语态的构成：
被动语态由助动词be和及物动词的过去分词构成，其基本结构为“be+及物动词的过去分词”。
使用被动语态时需要根据时态和人称进行变化。
二、被动语态的时态：
被动语态有多种时态，包括一般现在时、一般过去时、一般将来时、现在进行时、过去进行时、现在完成时、过去完成时等。
具体形式如下：
1. 一般现在时：am/is/are+过去分词
2. 一般过去时：was/were+过去分词
3. 一般将来时：will be+过去分词
4. 现在进行时：am/is/are being+过去分词
5. 过去进行时：was/were being+过去分词
6. 现在完成时：have/has been+过去分词
7. 过去完成时：had been+过去分词
三、被动语态的用法：
被动语态常用于以下情况：
1. 不知道或不想指出动作的执行者。
2. 强调动作的承受者。
3. 在科技文献和新闻报道中，为了强调客观事实。
4. 在一些习惯用法中，如“It is said that…”（据说……）和“He will be invited to the party.”（他将受邀参加聚会。
）等。
四、主动语态与被动语态的转换：
将主动语态转换为被动语态的方法是将宾语变成主语，将谓语变成被动结构（be+过去分词），将原主语放在by后面，作为被动句中的宾语。
如果原主语不出现，被动句中常常以it作为形式主语。
新人教版英语八年级下册unit8重点讲解和练习题(无答案)
语法聚焦：现在完成时(Present Perfect Tense)1) 现在完成时的定义：（1）表示过去发生或已经完成的动作对现在造成的影响或结果。
—It’s so dark. 太黑了。
—Someone has turned off the light. 有人把灯关上了。
（2）表示从过去某一时间开始并一直持续到现在的动作或状态。
常与since+过去的时间点，for+一段时间，so far 等时间状语连用。
I have lived here for ten years.我已经住在这里10年了。
（从10年前开始，持续到现在还住这儿）I have lived here since 2003. 自从2003年我就住在这儿。
（从2003年开始，持续到现在还住这儿）2) 现在完成时的构成及句式转换：助动词have/has + 过去分词①I have finished my homework. (肯定句)②I have not finished my homework. （否定句）③—Have you finished your homework?—Yes, I have. / No, I haven’t, （一般疑问句及肯定、否定回答）现在完成时的标志：①常与just, already, yet, ever, never, before, so far 等连用，强调动作的完成，不强调动作的持续。
Have you ever been to Japan?I have just finished my homework.②for + 时间段；since + 过去的时间点；since + 段时间ago；since + 一般过去时的句子。
They have known each other for five years.Since he was a child, he has lived in England.do __________ —____________ go__________ —___________read ______ —______ see _________ —______know____________ —_____________ eat _______ —_________ forget _________ —_________write________-______ 一、根据句意或汉语提示写词。
Unit8全面知识点总结(词汇、短语、句型、语法、习作) 2020-2021学年人教版八年级英语下册
Unit8知识点全面总结（词汇到作文）2020-2021学年人教版八年级英语下册（词汇、短语、句型、语法、习作）一．课本词汇和用法1.full of 满是...的，大量...be full of 意为“充满/装满……”。
Oliver Twist is about a boy who goes2.out to sea（1）and finds an island full of treasures.Be full of 表示状态，意为“充满...的”full是形容词。
该（2）短语相（3）当于be filled with，意为“以...填充”，是一个被动语态，fill是动词。
例如：I always believe the world is full of love.= I always believe the world is filled with love. 我总是相信世界充满了爱。
full还有“饱的。
饱满的”，其反义词为hungry 饥饿的3.treasure [ˈtreʒər] n. 财富（不可数名词）；珠宝，珍藏品（可数名词）例如：They went there to look for treasure. 他们去那里寻宝。
That island is full of treasures. 那座岛上都是珠宝。
4.Island [ˈaɪlənd] n. 岛，岛屿An island 一座岛5.Classic [ˈklæsɪk] n. 经典作品；名著（可数名词）Classical adj. 经典的；古典的；传统的例如：I like classical music. 我喜欢古典音乐。
6.page [peɪdʒ] n. （书刊或纸张的）页，面，张表示多少页用“数字+page(s)”表示在第几页时用“on page +数字”（无论数字是多少，page 都用单数）例如：100 pages 100页On page 56 在第56页7.hurry [ˈhɜːri] v. 匆忙，赶快hurry up 赶快，急忙Come on！或Be quick！hurry to + 地点名词，意为“匆忙去某地”。
2020年春人教新目标英语八年级下册unit8知识点全解
2020年春人教新目标英语八年级下册Unit8 Have you read Treasure Island yet? 一词形变化1．sand n．沙滩；沙……(adj.) sandy沙的；含沙的2．technology n．科技；工艺------(adj.) technologic 工艺的；技术的3．French n. 法语----(n.)France法国4．southern adj.南方的----(n．)south南方5．success n．成功----（adj.）successful成功的----v. succeed 成功6．laughter n．笑；笑声----v laugh笑7．beauty n．美；美丽-----（adj.）beautiful美丽的8．introducev.介绍；引见---- n. introduction二重点短语1. on page 25 在第25页2. the back of the book 书的背面3. hurry up 赶快；急忙（做某事）4. in two weeks 在两周之内5. go out to sea 出海6. an island full of treasures 一个满是宝藏的岛屿7. w rite about 写作关于……的内容8. finish doing sth. 做完某事9. wait for another ship 等待另一艘船到来10. learn to do sth. 学会做某事11. grow fruits and vegetables 种水果和蔬菜12. a few weeks ago 几个星期前13. the m arks of another m an’ s feet另一个人的脚印14. not long after that 不久之后15. run towards sp. 跑向某地16. use… to do sth. 用……来做某事17. signs le ft behind by someone 某人留下的标记18. read the newspaper 看报19. science fiction 科幻小说20. can’ t wait to do sth. 迫不及待地做某事21. a good way to wake up 醒来的一个好办法22. number of people 人数23. used to do sth. (过去)常常做某事24. study abroad 在国外学习25. make sb. do sth. 使某人做某事26. come to realize 开始意识到27. ever since then 自从那时起28. the southern states of America 美国的南部地区29. belong to 属于30. be kind to each other 善待彼此31. trust one another 互相信任32. the beauty of nature 大自然的美33. have been to sp. 去过某地34. do some research on sth. 对……做研究35. hope to do sth. 希望做某事36. see sb. do sth. 看到某人做某事37. the firs t line in the song 歌曲的第一行38. enjoy success in享受……的成功39. at the end of the day傍晚的时候三重点句型1. Have you done sth. yet? 你做过某事吗？—Have you read Little W omen yet?你读过《小妇人》吗？—Y es, I have. /No, I haven’t.是的，我读过。
人教版八年级英语下册unit8单元知识点归纳总结
⼈教版⼋年级英语下册unit8单元知识点归纳总结Unit 8 知识点总结Section A1. Have you read Little Woman yet? 你读过《⼩妇⼈》这本书吗？【解析】现在完成时现在完成时的基本句型：肯定式：主语+ 助动词have/has + 动词的过去分词.疑问式：助动词Have/Has + 主语+ 动词的过去分词?否定式: 主语+ 助动词have/has + not + 动词的过去分词现在完成时的主要⽤法1.表⽰过去发⽣的某⼀动作对现在造成的影响或结果。
常和副词already, yet, never, ever ,before ,just等连⽤。
.I have finished my homework. I am free(我已经完成了家庭作业,对现在造成的结果是很有空)2.表⽰过去已经开始, 持续到现在的动作或状态.常与since + 过去的时间点，for + ⼀段时间，so far 等时间状语连⽤。
I have learnt English for more than ten years.我已经学了10多年的英语。
(从10年前开始,持续到现在还在学)She has swum since half an hour ago.我已经游泳了半个⼩时(半个⼩时前已经开始游泳,到现在还在游)already/ yet的区别：a）already 往往⽤于肯定句，⽤在疑问句时表⽰强调或加强语⽓；yet ⽤于否定句和疑问句。
He has already left here. 他已经离开这⾥了。
My teachers haven’t had breakfast yet. 我的⽼师们还没有吃早饭。
Have you written to your parents yet?【成都】45. —Jack, let’s go to see the movie Harry Potter.—Oh, I ______ it many times. So I don’t want to see it.A. have seenB. seeC. will see【⼴】33. —Why don’t you go to the movie with me, Betty?—Because I ______ it before.A. sawB. have seenC. see某⼈怎么样？What’s +⼈+like? ⽤来提问⼈的性格What do / does +⼈+ look like?⽤来提问⼈的外表。
(完整版)八年级下册Unit8英语知识点
八年级下册Unit8英语知识点1、island 岛on the island 在岛上an island 一个岛屿2、full of 满是……的，充满……，装满……。
（1）后边常常接名词，full of 与后边的名词一起构成后置定语，修饰前边的名词。
full of 相当于filled with例句：the basket full of apples. the cup full of water .（2）f ull of 前边也可以与be动词连用，在句中做谓语。
be full of相当于be filled with.例句：The classroom is full of students.= The classroom is filled with studentsThe box is full of apples.= The box is filled with apples.3、already与yet（1）already “已经”常用于现在完成时的肯定句中，常放在have/has之后、过去分词之前或句末。
例句：They have finished their homework already .The train has left already .（2）yet “已经”用于现在完成时的疑问句中。
例句：Have you eaten yet ? Have they read this book yet ?（3）y et “还”“尚”用于现在完成时的否定句中。
例句：He hasn’t done his homework yet .The train hasn’t arrived yet .（4）not yet 还没有常用于回答现在完成时的一般疑问句。
例句：Have you eaten yet ? Not yet.4、英语中，疑问词what/how/which/where/who/when 后边出现动词时，往往用“疑问词+ to do sth ”结构，此结构在句中可以做主语、宾语和表语.例句：I can’t decide when to start . please tell me what to do next .He doesn’t know where to live . Do you know which to buy ?5、finish doing sth 做完某事例句：Did you finish watching TV ? I have finished cleaning the room .6、put down 放下down是副词，接代词时，代词要放在中间。
人教版八年级英语下册Unit8知识点归纳
Unit8 Have you read Treasure Island yet?知识点归纳一、重点短语1. on page 25 在第2 5 页2. the back of the book 书的背面3. hurry up 赶快;匆忙4. in two weeks 在两周之内5. go out to sea 出海6. an island full of treasures 一个满是宝藏的岛屿7. w rite about 写作关于……的内容8. finish doing sth. 做完某事9. wait for another ship 等待另一艘船到来10. learn to do sth. 学会做某事11. grow fruits and vegetables 种水果和蔬菜12. a few weeks ago 几个星期前13. the marks of another man’ s feet另一个人的脚印14. not long after that 不久之后15. run towards sp. 跑向某地16. use... to do sth. 用……来做某事17. signs left behind by someone 某人留下的标记18. read the newspaper 看报19. science fiction 科幻小说20. can’ t wait to do sth. 迫不及待地做某事21. a good way to wake up 醒来的一个好办法22. number of people 人数23. used to do sth. (过去)常常做某事24. study abroad 在国外学习25. make sb. do sth. 使某人做某事26. come to realize 开始意识到27. ever since then 自从那时起28. the southern states of America美国的南部地区29. belong to 属于30. be kind to each other 善待彼此31. trust one another 互相信任32. the beauty of nature 大自然的美33. have been to sp. 去过某地34. do some research on sth. 对……做研究35. hope to do sth. 希望做某事36. see sb. do sth. 看到某人做某事37. the first line in the song歌曲的第一行38. enjoy success in享受……的成功39. at the end of the day 傍晚的时候二、用法归纳1.finish doing sth 完成做某事2.arrive at/in sw 到达某地3.learn to do sth 学习做某事4.see sb doing sth 看到某人正在做某事 sb sth 给某人取名为.......6.teach sb sth 教某人某事e sth to do 用某物做某事8.love to do/doing sth 喜欢做某事9.can’t wait to do sth 迫不及待做某事10.b e kind to sb 对某人友好11.h ope to do sth 希望做某事12.h ave time to do sth 有时间做某事13.h ave nothing to do 没什么事情可做三、重点句型1. Have you….. yet?— Have you read Little Women yet?你读过《小妇人》吗?— Yes，I have. /N o, I haven’ t.是的，我读过。
人教版八下英语第八单元Unit 8知识点归纳
Unit8Have you read Treasure Island yet?一、短语归纳1.be full of充满2.grow up长大3.hurry up赶快4.bring back to sw.带回到某地5.more than超过6.in the middle of在....中间7.fight over为....争吵；争斗8.think about考虑e to realize开始意识到10.ever since then从那时起11.a kind of一种12.such as例如13.belong to属于14.find out找出；查出15.at the end of the day在一天结束的时候16.be famous for因为...而出名17.leave behind遗忘；留下18.the importance of money and success金钱和成功的重要性二、用法归纳1.finish doing sth.完成做某事2.arrive at/in sw.到达某地3.learn to do sth.学习做某事4.see sb.doing sth.看到某人正在做某事 sb.sth.给某人取名为.......6.teach sb.sth.教某人某事e sth.to do用某物做某事8.love to do/doing sth.喜欢做某事9.can’t wait to do sth.迫不及待做某事10.be kind to sb.对某人友好11.hope to do sth.希望做某事12.have time to do sth.有时间做某事13.have nothing to do没什么事情可做三、词句精讲1、Have you read Little Women yet? 你读过《小妇人》这本书吗？现在完成时的基本句型：肯定式：主语 + 助动词have/has + 动词的过去分词。
人教版英语八年级下册Unit8英语知识点总结
人教版英语八年级下册Unit8英语知识点总结Unit 8 English Knowledge Summary1.Island: on the island。
an island。
An island is a piece of land surrounded by water。
We use "on the island" XXX" is used to refer to a specific island.2.Full of: full of something。
filled with something。
Full of" is often followed by a noun。
which together form a post-XXX。
"Full of" is XXX "filled with." For example。
"the basket full of apples," "the cup full of water." "Full of" can also be used with the verb "be" to form the XXX。
"Be full of" is equivalent to "be filled with." For example。
"The classroom is full of students" is the same as "The classroom is filled with students." "The box is full of apples" is the same as "The box is filled with apples."3.Already and yet。
八年级英语下册Unit8知识点总结Unit-8-Have-you-read-Treasure-Island-yet
Unit 8 Have you read Treasure Island yet?When Sarah was a teenager, she used to fight over almost everything with her family.当萨拉还是一个青少年的时候，她常常几乎所有事情都和她的家人争吵。
【解析】fight over 为……争吵fight for + 抽象名词（事业、自由、权利）等“为......而斗争”have a fight with 和......打了一架But five years ago , while she was studying abroad in England, she heard a song full offeelings about returning home on the radio.但是五年前，当她在英国留学时，她在收音机上听到一首充满思乡之情的歌曲。
【解析1】abroad adv 在国外；到国外My father often goes abroad.abroad 用法：表示到（在）国外，是一个副词，前面不加介词。
go abroad 出国live abroad 住在国外at home and abroad 在国内外【解析2】return = come / go back返回= give sth back 归还Return ... to ... 把.......归还给....... Don’t forget to return it to the library.【解析3】on the radio 在收音机里；通过无线广播介词on 表示“ 以......方式”on the Internet 通过因特网；在网上on the telephone 通过电话on TV 通过电视She came to realize how much she actually missed all of them.她开始意识到事实上她是多么想念他们。
人教初中英语八年级下册Unit8 知识点
句型大闯关
2
1. Have you read Little Woman yet? 此句为现在完成时的一般疑问句。yet是副词，为现在完成时的标志词，用 于疑问句和否定句中。
2. Oliver Twist ...and finds an island full of treasures.
full of 满是……的；丰富的。 后置定语。 be full of 充满 3. put down 记下，放下。
10.法语 n. __F_r_e_n_c_h__
11.在国外；到国外 adv. _a_b_r_o_a_d__
12.现代的；当代的 adj. __m__o_d_e_rn__
13.成功 n. __s_u_c_c_e_s_s __ successful adj. ；succeed v.
14.属于；归属 v. __b_e_l_o_n_g__ belong to
初中英语人教版八年级下册
Unit 8 单元总复习课件
词汇训练营
1
一、快速说出下列单词或短语。
1.珠宝；财富 n. __tr_e_a_s_u_r_e_
2.岛 n. __i_s_la_n_d___ 3.匆忙；赶快 v. ___h_u_r_r_y_
hurry up 赶快；急忙（做某事）
4. （书刊或纸张的）页，面，张 n. __p_a_g_e____
for和since的运用
for “经历(时间段)” since “自从… 以来”
for＋时间段
since＋时间段 ＋ago since＋时间点 since＋从句
1.He has stayed here for 3 hours. 2.He has stayed here since 3 hours ago. 3.He has stayed here since 3 o’clock. 4.He has taught English since he came here.
人教版英语八年级下册Unit8语法全解：现在完成时
语法全解：现在完成时一、现在完成时的构成〔一〕肯定式主语＋助动词have/has＋过去分词＋其它.说明：这里的have/has是助动词，没有什么具体意义。
当主语是第三人称单数时助动词用has，其余人称一律用have。
has, have的缩略式分别为’s或’ve。
规那么动词过去分词的构成与过去式的构成方式一样，不规那么动词可参看不规那么动词表。
实例：1) I’ve just copied all the new words.我刚抄写了所有的生词。
(表示不要再抄了)2) She has lost her books.她丧失了她的书。
〔表示到目前为止还没有找到〕(如果用过去时：She lost her books.那么强调书是过去丢的这一动作，而不知现在有没有找到。
)3) We’ve just cleaned the classroom. 我们刚好清扫了教室。
〔说明现在教室是干净的〕〔二〕否认式主语＋助动词have/has＋not＋过去分词＋其它.说明：现在完成时构成否认句时，只需在助动词have/has后面加not就行。
have not, has not的缩略式分别为haven’t, hasn’t。
另外，肯定句中有some, already时，改为否认时要分别改成any, yet。
例：1)I haven’t finished my homework yet.我还没有完成我的作业。
2)She hasn’t travelled on a train. 她没有坐火车旅行过。
3)We have never spoken to a foreigner．我们从来没有和外国人说过话。
注：有时not可以用never代替，表示“从来没有〞的意思。
又如：4) I have never seen him before.以前我从来没有见过他。
〔三〕一般疑问式助动词Have/Has ＋主语＋过去分词＋其它？说明：把陈述句中的have或has放到句首，句末打问号，同时把句中的some, already改为any, yet就构成了一般疑问句。
人教版八年级英语下册unit8单元知识点归纳总结
Unit 8 知识点总结Section A1. Have you read Little Woman yet? 你读过《小妇人》这本书吗？【解析】现在完成时现在完成时的基本句型：肯定式：主语+ 助动词have/has + 动词的过去分词.疑问式：助动词Have/Has + 主语+ 动词的过去分词?否定式: 主语+ 助动词have/has + not + 动词的过去分词现在完成时的主要用法1. 表示过去发生的某一动作对现在造成的影响或结果。
常和副词already, yet, never, ever ,before ,just 等连用。
.I have finished my homework. I am free(我已经完成了家庭作业,对现在造成的结果是很有空)2. 表示过去已经开始, 持续到现在的动作或状态.常与since + 过去的时间点，for + 一段时间，so far 等时间状语连用。
I have learnt English for more than ten years.我已经学了10 多年的英语。
(从10 年前开始,持续到现在还在学)She has swum since half an hour ago.我已经游泳了半个小时(半个小时前已经开始游泳,到现在还在游)already/ yet 的区别：a）already 往往用于肯定句，用在疑问句时表示强调或加强语气；yet 用于否定句和疑问句。
He has already left here. 他已经离开这里了。
My teachers haven’t had breakfast yet. 我的老师们还没有吃早饭。
Have you written to your parents yet?【成都】45. —Jack, let ’s go to see the movie Harry Potter.—Oh, I it many times. So I don ’t want to see it.A. have seenB. seeC. will see【广】33. —Why don’t you go to the movie with me, Betty?—Because I it before.A. sawB. have seenC. see2.What s’i t like? 它怎么样？【解析】某物怎么样？What’s +物+like? How+be + 物？某人怎么样？What’s人+ +like? 用来提问人的性格What do / does +人+ look like? 用来提问人的外表。
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Unit8 Have you read Treasure Island yet？名词：treasure 珠宝；财富island 岛page （书或纸的）页，面，张classic 经典著作；名著ship 船tool 工具gun 枪；炮sand 沙滩；沙land 陆地；大地fiction 小说technology 科技；工艺French 法语pop 流行音乐；流行乐曲rock 摇滚乐fan 迷；狂热爱好者success 成功laughter 笑；笑声beauty 美；美丽line 行；排动词：hurry 匆忙；赶快belong 属于；归属introduce 介绍；引见形容词：southern 南方的modern 现代的；当代的副词：forever 永远abroad 在国外；到国外介词：towards 朝；向；对着兼类词：mark n.迹象；记号；分数v.做记号；打分record n.唱片；记录v.录制；录（音）短语：be full of 满是……的；（有）大量的，丰富的hurry up 赶快；急忙（做某事）science fiction 科幻小说（或影片等）country music 乡村音乐ever since 自从one another 互相知识点：1、①be full of sth 满是……的；（有）大量的，（有）丰富的，侧重于充满的状态If you read a lot, your life will be full of pleasure. 如果你多阅读，你的生活就会充满乐趣。
②be full with sth 充满某物，用某物装满，侧重于充满的东西The bottle is full of water. 这个瓶子装满了水。
2、find 发现；找到（found-found），侧重于寻找的结果look for 寻找，侧重于寻找的过程I hope you will soon find your keys. 希望你尽快找到你的钥匙。
He is looking for his bike. 他在找他的自行车。
我在找我的手表,但是找不到。
I’m looking for my watch, but can’t find it.3、①hurry up 赶快；急忙（做某事）You'll miss the train if you don't hurry up. 如果你不快点的话，就会误了火车。
②hurry to + 地点匆忙去某地He hurries to the train station. 他匆忙赶去火车站。
③hurry to do sth 匆忙做某事She hurried to leave. 她急着走。
4、in + 一段时间在这段时间之后，将来时态after + 一段时间在这段时间之后，过去时态after + 时间点在这个时间之后，将来时态时间段+ later ……之后，将来或过去都可以I will be back in three days. 我将在三天之后回来。
I received the letter after two days . 我是两天以后收到这封信的.他将会在4点之后到达。
He will arrive after four o’clock .Ten days later, she became the general manager of the company. 十天后她成为了公司的总经理。
Two days later, we will step into June. 两天后，我们将进入六月。
5、到达某地arrive at + 小地方arrive in + 大地方get to + 地点reach + 地点arrive/get/reach + here/there等副词We arrived in London last week. 我们上周到达伦敦。
She arrives at our village today. 她今天到了我们村子。
Anne got to the farm at six o'clock. Anne 六点钟到达了农场。
They reached the airport on time. 他们按时到达了机场。
I arrived/got/reached here in the morning. 我早上到达了这儿。
6、复合不定代词everyone 每个人everything 一切everybody 每个人someone 某人something 某事somebody 某人anyone 任何人anything 任何事anybody 任何人no one 没有人nothing 没有事nobody 没有人（1）形容词修饰复合不定代词时，要放在后面There is something interesting in the city. 城市里有有趣的东西。
There is nothing new about this. 这没什么新鲜的。
（2）复合不定代词做主语，谓语动词要用复数Everything is fine. 都很好。
There is something wrong with your eyes. 你的眼睛有问题。
7、①else adv.其他的；另外的（放后面）常位于不定代词（上条）、where结尾的词和who、what、where等词之后Would you like something else to drink？你要喝点别的什么吗？We went to the park and nowhere else. 我们到公园去了，其他什么地方也没去。
Where else are you going to？你还打算去哪儿？What else would you do？你还有什么事要做吗？Who else do you like？你还喜欢谁？②other adj. 其他的（放前面）常位于名词之前other + 名词= othersSome students like English and other students (others) like physics.有些学生喜欢英语，有些学生喜欢物理。
Do you have any other baggage？你还有其他行李吗？8、one ……the other……一个……另一个……表示同一范围两者之间的不同情况，既可以单独做主语，也可以修饰可数名词。
I have two brothers. One is short, the other is tall. 我有两个兄弟，一个矮，一个高。
There are two pens. One is red, the other is yellow. 这有两支笔，一支是红色，一支是黄色。
9、must 必须；一定+ 动词原形（1）主观必须I must study hard. 我们必须努力学习。
（自己决定努力）客观必须，不得不用have toShe has to do her homework. 她不得不做作业。
（别人的命令或形势所迫）（2）一定，表示肯定推测They must be there now. 他们现在一定在那。
Tony must be very happy. Tony一定很开心。
—I lost my pet dog. —I'm sorry to hear that. You be very sad.10、abroad 在国外；到国外go abroad 出国at home and abroad 在国内外You can learn about different cultures abroad. 在国外你可以了解到不同的文化。
She wants to go abroad. 她想要出国。
The writer is famous both at home and abroad. 这名作家在国内外都很有名。
11、ever since 自从，用于现在完成时，后接短语或句子常用于引导时间状语从句，主句用现在完成时，从句用一般过去时I haven't heard from him ever since last year. 从去年开始我就一直没收到他的来信。
Ever since 2000, he has lived there.自从2000年,他就住在那儿。
He has been there ever since you left. 自从你离开后他就一直在那里！He has lived there ever since he was 6.自从他6岁，他就住在那儿。
12、such as 例如，后面可以举几个例子for example 例如，后面只能举一个例子，要用逗号隔开Boys such as John and Jack are very friendly. 像John和Jack这样的男孩都很友好。
I'm interested in many subjects such as music, English and history. 我对很多学科都感兴趣，例如音乐，英语和历史。
For example, he is a good student. 例如，他就是个好学生。
Noise, for example, is a kind of pollution. 举例说明,噪音就是一种污染。
13、belong to 属于；归属；是（某团体、国家等）的成员Those books belong to the library. 这些书是图书馆的。
The yellow car belongs to me. 这辆黄色的车是我的。
Jack used to belong to this club. Jack过去是这个俱乐部的成员。
14、the number of ……的数量，后面接可数名词复数，做主语谓语动词用单数a number of 许多；大量，后面接可数名词复数，做主语谓语动词用复数The number of the students is about 500. 学生有500人左右。
A numbers of students are in the dinning hall. 食堂里有很多学生。
There are books in our library, and classics is 3000.15、introduce 介绍；引见introduce oneself 做自我介绍introduce A to B 把A介绍给 Bintroduction 名词形式，介绍Please let me introduce myself. 请让我做个自我介绍。