(完整版)八年级下册Unit3课文讲解+知识点+练习
八下unit3知识点总结及练习
Unit 3 What were you doing when the UFO arrived?一. 重点词汇：UFO, bathroom, bedroom, kitchen, land, shirt, while, experience, around, strange, follow, kid, climb, jump, shout, cat, anywhere, happen, accident, plane, modern, kill, murder, bright, playground, bell, close, silence, meaning, earth, hero二. 重点短语：in front of, get out of, talk on the phone, take off, be surprised, at the train station, run away, in hospital, at the doctor’s, walk around, call one’s name三. 重点句型：1. What were you doing when the UFO arrived? I was standing in front of the library.2. The boy was walking down the street when the UFO landed.While the boy was walking down the street, the UFO arrived.3. Where were you when the UFO arrived? I was in my bedroom.四. 语法重点：1. 过去进行时。
2. 掌握以when和while引导的时间状语从句。
五. 课文重点、难点讲解：1. What were you doing when the UFO arrived?I was standing in front of the library.（1）in front of … 在……前面，当……的面in the front of … 在……的前部（2）过去进行时：表示在过去某一时间内正在进行的动作。
Unit3重点知识讲解与训练人教版八年级英语下册
Unit3 could you please clean your room?本单元语法用could 提出请求和征求许可1.用could 提出请求:常见的结构是“Could you(please)do sth?”,意为“(请)你做某事，好吗?”，是一种比较客气、有礼貌地提出请求的方式。
如果同意对方的请求,可以用“OK.”或“No problem.”等来回答：如果不同意对方的请求，可以用“Sorry，I can't.”等来回答，并以委婉的方式来解释原因。
—Could you please open the door?请你把门打开，好吗?—Sure.当然可以。
Could you please sweep the floor?请你扫一下地，好吗？---Could you take the dog for a walk?请你遛一下狗，好吗？---Sorry, I can’t. I have too much homework to do.很抱歉，我不能。
我还有很多的家庭作业要做。
2.用could征求许可:常见的结构是“Could I do sth?”,意为“我能/可以做某事吗?”。
它的肯定回答和否定回答都不用could,习惯上肯定回答用may, can等,而否定回答用can't 或mustn't(语气重),有时也可避而不用。
—Could I smoke here?我可以在这里吸烟吗?—No, you can't, Look at the sign “No Smoking”!不，你不能。
看那个“禁止吸烟”的牌子！配套练习1.—Mom, could I surf the Internet after finishing my homework?—_______. You’d better go out for a walk.A. Go ahead(开始做)B. Sorry, you can'tC. Of course you can2.—Mom. Could I finish_______ the football match?—No, you have to do your homework first.A. watchB. to watchC. watchingD. to watching3.—Helen, could you please water the flowers in my garden?—_______ . They are so lovely.A. That's too badB. With pleasureC. You're welcomeD. I'm afraid not课文重点知识讲解1.掌握下列短语do the dishes洗餐具sweep the floor扫地take out the rubbish倒垃圾make the bed整理床铺fold the clothes叠衣服clean the living room打扫卧室用Could you please do sth？请你做某事，好吗？造句练习请你洗餐具，好吗？___________________________________________________________?请你倒一下垃圾，好吗？_________________________________________________________?请你整理一下床铺，好吗？_______________________________________________________?请你洗洗餐具，好吗？___________________________________________________________?请你把衣服叠一下，好吗？______________________________________________________?请你打扫一下卧室，好吗？______________________________________________________?out for dinner出去吃饭我可以出去吃饭吗？（could I……）________________________________________________ go to the movies去看电影今天晚上我可以和戴尔去看电影吗？______________________________________________ stay out late待在外面很晚妈妈不让我带在外面很晚。
人教版初二八年级(下)英语第三单元Unit3知识点+习题_
人教版初二八年级(下)英语第三单元Unit3知识点+习题234512. “I’m do sorry, Mom. I finish understand that we need to share the housework to have a clean and comfortable home.” I replied.“对不起，妈妈。
我终于理解为了拥有一个干净、舒适的家我们需要共同来分担家务。
” 我回答说。
【解析1】need v. _______★用于肯定句，是实义动词。
(1)人做主语，sb. need to do sth 某人需要做某事(2)物做主语，sth need doing sth= sth need to be done① Students need _________(have) a good rest in studying.② The watch needs ________ (mend).★用于否定句或疑问句，是情态动词(1)needn’t = _______________没有必要(2)need, must 引导的一般疑问句，肯定会的用must,否定回答用needn’t— Must I go there now?— Yes，you must/ No, you needn’t.【解析2】share ________share sth with sb. _______________13.C ould I hang out with my friends after the movie?看完电影后我能和朋友们一起闲逛吗？【解析】hang out ________14. Could you please pass me the salt?你能把盐递给我吗？【解析】pass⑴v 给；递pass sb.sth ________________pass on ________⑵ v 通过；路过I pass your home.⑶ v 通过（考试）Tom can pass his math exam.15. Could I borrow that book?我能借下你那本书看吗、Could you lend me some money?你能借我一些钱吗？【辨析】borrow /lend /keep6【记】I want to ________ a bike from my friend but he didn’t ________ it to me, because Tom had ________ it for two days.16.I cut my finger and I’m trying not to get it wet.我的手指割伤了，伤口不能弄湿。
八年级下册英语_Unit3_第三单元笔记+练习
Unit3 第三单元笔记+练习【重难点分析】重难点分析】一.过去进行时过去进行时表示过去某一时刻或者某段时间正在进行或发生的动作，常和表过去的时间状语连用。
过去进行时的构成：肯定形式：主语+was/were+V-ing否定形式：主语+was not (wasn't)/were not (weren't)+V-ing疑问形式：Was/Were+主语+V-ing。
基本用法：1.过去进行时表示过去某一段时间或某一时刻正在进行的动作。
常与他连用的时间状语有：at that time/moment, (at) this time yesterday (last night/Sunday/week…), at+点钟点钟+yesterday (last night / Sunday…)，when sb. did sth 等。
如：What were you doing at 7p.m. yesterday? 昨天晚上七点你在干什么？I first met Mary three years ago. She was working at a radio shop at the time. 我第一次遇到玛丽是在三年前，当时她在一家无线电商店工作。
I was cooking when she knocked at the door. 她敲门时我正在做饭。
2.when后通常用表示暂短性动词，while后通常用表示持续性动词因此它所引导的状后通常用表示持续性动词，状语从句中，谓语动词常用进行时态，如：When the car exploded I was walking past it.= While I was walking past the car it exploded. 3.when 用作并列连词时，表示“ （这时）突然”之意时，第一个并列分句用过去进行时，when 引导的并列分句用一般过去时，表示主句动作发生的过程中，另一个意想不到的动作发生了。
八年级下英语三单元笔记(要点+练习)
八下--- Unit 3 Section A1.So what were you doing when the UFOarrived? 因此不明飞行物到来时你正在做什么？①本句是when引导的时间状语从句。
主句是what were you doing, 是过去进行时特殊问句。
②arrive不及物动词，“到达”，其后接大地点用in，小地点at。
不强调地点时，只用arrive.When will you arrive ?get to = arrive at/in = reach 到达get toarrive in +地点名词reach（如：Beijing）getarrive + 地点副词reach(home/here/there)2.W ell, I was standing in front of the library.喔，我正站在图书馆前面。
1). 辨析in front of / in the front ofin front of 指范围外部的前面，in the front of 指范围内部的前面。
二者只表示位置关系。
2). Before也有“在…前面”之意，既可接时间，也可接地点。
The teacher sat before the students.3.Cooking dinner. 做晚餐cook动词，“煮，烹调”，可，用做名词，“炊事员，厨师”。
I can cook Chinese, French and Japanese food. Peter is a cook in a hotel.4.While the Alien was buying a souvenir, thegirl called the police. 当外星人在买纪念品时，女孩打电话报了警。
1）while 和when 用法（见书P17）2）as随着，一边…一边。
强调动作同时发生。
They talked as they walked. 他们边走边谈。
Unit 3知识点精析(下)+课文注释人教版英语八年级下册
人教版丨初中英语八年级下册Unit 3知识点精析（下）+课文注释1.invite my friends to a party邀请我的朋友们来参加聚会要点精析invite为及物动词，意为“邀请”。
invite sb.to do sth.意为“邀请某人做某事”。
例：We invited all our friends.我们邀请了我们所有的朋友。
Kate invited me to go to the movies with her.凯特邀请我和她一起去看电影。
知识拓展invite 的名词形式为invitation,意为“邀请；请帖”。
例：Thank you for your kind invitation.谢谢你的盛情邀请。
2. I do not understand why some parents make their kids help with housework and chores at home.我不理解为什么一些父母让他们的孩子在家帮忙做家务。
要点精析make their kids help with housework and chores 是 make sb. do sth.结构，此结构意为“让/使某人做某事”。
例：This good news made her laugh happily.这个好消息使她开心地笑了。
3.Housework is a waste of their time.(做）家务是浪费他们的时间。
要点精析a waste of...意为“浪费……”，其中waste是名词，意为“浪费；滥用”。
例：Playing computer games is a waste of time.玩电脑游戏是浪费时间的。
知识拓展waste还可作动词，意为“浪费”。
例：Don't waste your money on clothes.别把你的钱浪费在衣服上。
4. They should spend their time on schoolwork in order to get good grades and get into a good university.为了取得好成绩，进入一所好大学，他们应该把他们的时间花在学业上。
人教版英语八年级下unit3讲解与练习
Unit 3 Could you please clean your room?Section A1. Few, a few, little, a littleFew 几乎没有+可数名词复数There are few people in the room.Little 几乎没有+ 不行数名词There was little rain all winter.A few 少量，几个+ 可数名词复数He left his house a few minutes ago.A little 一点，少量+ 不行数名词Could you give me a little milk?【例】 The girl in purple is new here, so ______ people know her.A. fewB. a fewC. littleD. a little2. solve vt. 解答，解决Few students can solve the physics problem.problem 指客观存在的等候解决的“问题”，侧重困难；e.g.: The students are working on a math problem.question 指对某事思疑因此提出等候回答的“问题”，侧重迷惑和不可以判定 e.g.: The students are asking the teacher some questions.3. For one week, she didn’ t do any housework and neither did I.“ neither + be动词 / 助动词 / 神态动词 +主语”表示“也不”。
e.g.: He doesn’ t like swimming and neither do I.知识扩展：neither 作代词，意为“（二者）都不”e.g.: Neither of my parents is at home.neither 作形容词，与名词单数连用，意为“（二者）都不的”e.g.: Neither answer is right.neither nor意为“既不也不”e.g.: The room is neither big nor bright.典型例题：I can’ t play the piano, and ______.A. neither can my sisterB. my sister can’ t, too.C. so can’ t my sisterD. can my sister, either4. Finally, I could not find a clean dish or a clean shirt.or 连词意为“也不”，表示并列关系，常用于否认句，连结并列的词或短语。
人教版八年级下册Unit3 知识点详解与练习
Unit 3一、词形扩展1.sweep v.扫；打扫→(过去式&过去分词）2.throw v. 扔;掷→(过去式)→(过去分词)3.lend v.借给;借出(过去式&过去分词）4.hate v.厌恶→(过去式&过去分词)5.stress n.精神压力;心理负担→adj.有压力的;焦虑不安的6. waste v.& n. 浪费;滥用→(过去式&过去分词）7. provide v.提供;供应→(过去式&过去分词）8. develop v.发展;壮大→adj.发达的→adj.发展中的→ n.发展;发育;成长9. depend v.依靠;信赖→ n. 依靠;依赖→adj.依靠的;依赖的→adj.独立的;自主的→ n. 独立10. fair adj.合理的;公正的→n.公正性;合理性→adj.不合理的;不公正的11. drop v.落下;掉下→(过去式&过去分词）12. ill adj.有病;不舒服→ n.疾病13.neighbor n. 邻居→ n.街区;街坊二、短语归纳1. have no idea how to take care of himself 不知道怎样照料自己2. grades dropped 成绩下降3. something to drink 喝的东西4. finish doing sth. 完成做某事5. mind (not) doing sth. 介意(不) 做某事6. welcome sb. 欢迎某人7. invite sb. to sp. 邀请某人去某处8. be angry with sb. 对某人生气9. make sb. do sth. 使某人做某事10. It’s adj. (for sb.) to do sth. 对于某人来说，做某事时…11. there is no need for somebody to do something 对于某人来说没必要做…12. provide sth. for sb. / provide sb. with sth. 为某人提供某物三、知识点汇总1.imagine v想象，设想2.open.close,closed的用法和区别3.carry, bring,take与get的区别和用法4.双重所有格5.feel + adj to do : 做某事感觉怎么样6.kind, kindly, kindness的区别7.以ness结尾的单词一般是名词8.Could you please do.....? 你能.......吗？9.Could I do...? 我能.......吗？10.表示时间、距离、度量、重量、金额等的复数名词作主语，被看作整体时，谓语动词用单数；11.welcome的用法:12.the minute: 一.....就......(=as soon as)13.“我也是，我也不”的表达详解版1.imagine v想象，设想imagine to do：想着去做某事。
2011级人教版八年级下册英语_Unit3_第三单元笔记+练习
八年级下册Unit 3what were you doing when the ufo arrived? 单元笔记【重难点分析】一. 过去进行时过去进行时表示过去某一时刻或者某段时间正在进行或发生的动作，常和表过去的时间状语连用。
过去进行时的构成：肯定形式：主语+was/were+V-ing否定形式：主语+was not (wasn't)/were not (weren't)+V-ing疑问形式：Was/Were+主语+V-ing。
基本用法：1.过去进行时表示过去某一段时间或某一时刻正在进行的动作。
常与之连用的时间状语有：at that time/moment, (at) this time yesterday (last night/Sunday/week…), at+点钟+yesterday (last night / Sunday…)，when sb. did sth等时间状语从句。
如： What were you doing at 7p.m. yesterday? 昨天晚上七点你在干什么？I first met Mary three years ago. She was working ata radio shop at the time.我第一次遇到玛丽是在三年前，当时她在一家无线电商店工作。
I was cooking when she knocked at the door. 她敲门时我正在做饭。
2. when后通常用表示暂短性动词，while后通常用表示持续性动词，因此它所引导的状语从句中，谓语动词常用进行时态，如：When the car exploded I was walking past it.= WhileI was walking past the car it exploded.3.when用作并列连词时，主句常用进行时态，从句则用一般过去时，表示主句动作发生的过程中，另一个意想不到的动作发生了。
人教版英语八年级下unit3讲解与练习(最新整理)
Unit 3 Could you please clean your room? Section A1. Few, a few, little, a littleFew 几乎没有+可数名词复数There are few people in the room. Little 几乎没有+ 不可数名词There was little rain all winter.A few 少数，几个+ 可数名词复数He left his house a few minutes ago.A little 一点，少许+ 不可数名词Could you give me a little milk?【例】The girl in purple is new here, so ______ people know her.A. fewB. a fewC. littleD. a little2. solve vt. 解答，解决Few students can solve the physics problem.problem 指客观存在的等待解决的“问题”，着重困难；e.g.: The students are working on a math problem.question 指对某事怀疑因而提出等待回答的“问题”，着重疑惑和不能断定e.g.: The students are asking the teacher some questions.3. For one week, she didn’t do any housework and neither did I.“neither + be动词/ 助动词/ 情态动词+主语”表示“也不”。
e.g.: He doesn’t like swimming and neither do I.知识扩展：neither作代词，意为“（两者）都不”e.g.: Neither of my parents is at home.neither作形容词，与名词单数连用，意为“（两者）都不的”e.g.: Neither answer is right.neither… nor…意为“既不……也不……”e.g.: The room is neither big nor bright.典型例题：I can’t play the piano, and ______.A. neither can my sisterB. my sister can’t, too.C. so can’t my sisterD. can my sister, either4. Finally, I could not find a clean dish or a clean shirt.or 连词意为“也不”，表示并列关系，常用于否定句，连接并列的词或短语。
(完整版)人教版英语八年级下unit3讲解与练习
Unit 3 Could you please clean your room?Section A1. Few, a few, little, a littleFew几乎没有+可数名复数There are few people in the room.Little几乎没有+ 不行数名There was little rain all winter.A few少量，几个+ 可数名复数He left his house a few minutes ago.A little一点，少+不行数名Could you give me a little milk?【例】 The girl in purple is new here, so ______ people know her.A. fewB. a fewC. littleD. a little2. solve vt. 解答，解决Few students can solve the physics problem.problem 指客存在的等候解决的“ ”，侧重困；e.g.: The students are working on a math problem.question 指某事疑因此提出等候回答的“ ”，侧重迷惑和不可以判定 e.g.:The students are asking the teacher some questions.3. For one week, she didn’ t do any housework and neither did I.“ neither + be/ 助 / 情 +主”表示“也不”。
e.g.: He doesn’ t like swimming and neither do I.知展：neither 作代，意“（二者）都不”e.g.: Neither of my parents is at home.neither 作形容，与名数用，意“（二者）都不的” e.g.: Neitheranswer is right.neither ⋯ nor意⋯“既不⋯⋯也不⋯⋯”e.g.: The room is neither big nor bright.典型例：I can’ t play the piano, and ______.A. neither can my sisterB. my sister can’ t, too.C. so can’ t my sisterD. can my sister, either4. Finally, I could not find a clean dish or a clean shirt.or意“也不”，表示并列关系，常用于否认句，接并列的或短。
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Un it3 Could you please clea n your room?Sectio n A重点短语go out for dinner 出去吃饭stay out late在外面待到很晚go to the movies 去看电影get a ride 搭车work on 从事fin ish doi ng sth.完成做某事clean and tidy 干净整洁do the dishes 洗餐具take out the rubbish 倒垃圾fold your/the clothes 叠衣服sweep the floor 扫地make your/the bed 整理床铺clean the living room 打扫客厅no problem 没问题welcome sb.欢迎某人come home fro m school/ work 放学/下班回家throw down 扔下sit down 坐下come over 过来take sb. for a walk 带某人去散步all the time 一直;总是all day/evening 整曰/夜do housework 做家务shout back大声回应walk away 走开.share the housework 分担家务a comfortable home 一个舒适的家in surprise 惊讶地get somethi ng to drink 拿点喝的东西watch one show 观看一个节目hang out 闲逛pass sb. sth.把某物传给某人lend sb. sth.把某物借给某人get sth. wet使某物弄湿hate to do sth.讨厌做某事do chores做杂务help sb. (to ) d o /with sth 帮助某人干某事bring a tent带顶帐篷来buy some sn acks 买些小吃go to the store 去商店invite sb. to a party 邀请某人参加聚会make sb. do sth.使某人做某事eno ugh stress足够的压力waste of time 浪费时间in order to 为了get good grades取得好成绩mi nd doing sth. 介意做某事depend on依赖;依靠develop children 'imdependence 发展孩子的独立性look after/take care of 照顾；照看do one ' s part in (doing ) st做某人分内的事二、重点句型1. Could you please ..do sth. ?Could you please clean your room?你能整理一下你的房间吗？2. I have to do some work.我必须干些活。
3. Could 1+ do sth. ?Could I use your computer?我可以用一下你的电脑吗？4. She won ' t be happy if she sees this mess.如果她看到这样乱七八糟的话，她会不高兴的。
5. For one week, she did not do any housework and n either did I.整整一周，她什么家务活都不干了，我也一样。
6. My mom came over as soon as I sat dow nin front of the T V .我一在电视机前坐下，我妈妈就过来了。
7. hate + ( to do/ doing) sth.I hate to do chores.【拓展】take 构成的短语： take a walk 去散步 take a rest 休息 take up 占据 take down 拿下 take care of 照顾 take off 脱下；起飞take one'stime 不急； 慢慢来1. Peter ,could you please take out the trash?彼得，你能把垃圾倒了吗？ 【解析 11Could you please do sth ?请你（做）... 好吗？ 用于提出请求，希望得到对方的肯定回答，说话的语气比较客气委婉。
Could 不是 can 的过去式，是委婉、礼貌的说法。
回答用 can. 【常用答语】肯定回答： Sure./ Of course./ Certainly./No problem.否定回答： Sorry , I can ' 【解析 21take out 取出（v+ adv ） 【注】：跟代词做宾语，代词放中间； 跟名词做宾语，可放在中间，也可放在后边 【短语】take out the trash 倒垃圾 take a walk 散步 take away 拿走，取走 _______ take back 收回 take place 发生 take off 脱下； 起飞 The gift is in the box. You can take_it out. 2. Can you do the dishes.？那你可以洗盘子吗？ do the dishes 洗碗 【结构1】do the +名词： do the dishes/ laundry 洗餐具/衣服 【结构21do the +动词-ing do the cleaning 打扫卫生【结构31 do one's +名词 do one's housework/ homework 做家务/家庭作业 【结构 41 do some + 动词-ing do some reading/ shopping 读写书 /购物3. Could I at least finish watching this show? 至少让我看完这个节目可以吗？ 【解析1】Could I do a sth?我可以做 .... 吗？用于表达请求，语气比较委婉。
Could I go out with my classmate this weeke nd? 【解析21 at least 至少，多指数量或程度上的最低限度。
（反）at most 至少，不超过 【解析31finish v 结束；完成finish doing sth 做完某事 4. I think two hours of TV is enough for you!我觉得你看两个小时的电视已经足够了。
【解析1】two hours of TV 表示时间、距离、金额、度量等词语作主语时，通常被视作整体，谓语动词用单数形式。
How time is flies! Three years _______ （be ） really a short time. 作形容 【解析21enough 足够的，充分的（在句中作定语或表语） I don 'have eno ugh money with me. 作副词足够；充分（放在形容词；副词后） The river is deep eno ugh for swimmi ng.【记】 Mr. Smith has eno ugh money ,but he isn 'k ind eno ugh to help others. 【注意】enough 修饰名词时，置于名词前；修饰形容词时，置于形容词之后。
5. Could you take out the rubbish,fold the clothes and do the dishes? 你能把垃圾倒了。
把衣服叠好，再把碗洗了吗？ 【解析】take out 拿出；取出 take 的用法： 拿；取吃；喝；服用乘（车；船等）Please take some books to the classroom. Take this medicine three times a day. They usually take the bus to work.花费（时间；金钱）It takes me two hours to do my homework every day.10take one ' temperature 量体温6. The minute I sat down in front of the TV, my mom came over . 我刚坐在电视机前面，我妈妈就过来了。
【解析 1 】the minute = as soon as “一 就 ... ” Please write to me the minute you get there. 【解析2】in front of指在物体外部的前面There is a bike in front of the classroom.指在物体内部的前面Our teacher is standing in the front of the classroomThe policema n stood _ _ the car.【注意】有the 无the 区别大：at table 吃饭；进餐 at the tabel 在桌边 厂 in hospital 住院in the hospital 在医院（不一定看病）J【解析3】come over 过来 【拓展】come 短语：come across （偶然）发现 come back 回来come up with 想出come true 实现come down 下来come from=be from 来自，出生于 come in/into 进入，进来 come on 赶快，加油 come along 走吧，过来，快点come and go 来来去去 come up 上来come out 出来，（花）开，（照片）冲洗出来7. You watch TV all the time and never help out around the house! 你总是看电视，从不帮忙做 家务！【解析】all the time = always 一直；总是 【拓展】与time 相关的短语： on time 按日寸 in time 及日寸 at the same time 同日寸 form time to time 彳禺尔 the first time 第一次 at times 有日寸 time and time again —再； 经常 last time 上次 next time 下次 8. I'm just as tired as you are!我和你一样累！ 【解析】as...as ... 和 .... 一样 ...【注】比较级倍数表达句型为：倍数 +as+形容词、副词原级+as+比较对象【解析】考查主谓一致和动词时态。