八年级英语下册 Unit 3 What were yon doing when the UFO arrived导学案（无答案） 人教新目标版.doc

unit 3 what were yon doing when the ufo arrived?section a （1a-2c）预习案预习导学一、词汇精粹：学习建议 在文中勾画出单词、短语、重点句型和交际用语，并结合语境猜测其含义。（一）单词、短语1.barber 2.浴室 3.kitchen 4.外星人 5. while 6. buy的过去式 7. bedroom 8.着路 9.get的过去式 10.在的前面 11. barber shop 12.做晚饭 13.land on 14.制作奶昔（二）句型、交际用语1. what were you doing when the ufo arrived? 2.我正站在图书馆前面。 3.当它（飞碟）到来时，他正在睡懒觉。 4.当这个女陔看到外星人出来时，她正在购物。 5. the boy was walking down the street when the ufo landed. 二、听力内容预测1.完成1a中的词图搭配。 2.阅读1a2a的听力要求，回答下列问题。what was the girl doing when the ufo arrived? 三、语法聚焦学习建议 观察上面的重点句型，参考课本19语法聚焦部分，思考如下问题：1. when和while的意思是： 2. 两者在上面的几个句子中可以相互转化吗，它们在句子中的位置有变化吗？ 预习自测一、词汇精粹1.ufo 2.吃午饭 3.图书馆 4.记者 5.淋浴 6.博物馆 7.纪念品 8.剪头发 二、语法聚焦选择适当的动词形式完成句子。1. i was watching tv when my mother (was turning/turned) it off.2. while the plane (was taking lff/took off),the pilot didnt talk at all.3. i (was sleeping/slept)when the phone rang.4. alan was doing housework when i (was arriving/arrived).我的疑惑？请你将预习中未能解决的问题和有疑惑的问题写下来，待课堂上与老师和同学探究解决。探究案the teacher shows students some pictures of ufos and aliens. and ask them: have you seen them before?then get them familiar with the new words and the past continuous tense.remember to show the learning goals after leading in.洗耳运动一、听1b对话回答问题1. who was cooking dinner? 2. what was the boy doing in the bedroom? 二、再听对话，完成课本1b. 三、听2a对话并完成课本2a和2b. 角色表演回想过去的一次经历并与你的伙伴谈论这次经历，结合听力原文和预习案中的“提炼重点句型”进行分角色表演对话。注意正确使用when.a: what were people doing when you arrived?b: while some people were，i arrived.质疑探究教学建议 为了保证学习效果，学生自觉、合作过程老师可以利用课堂评价做好督促。探究点一 单词和短语1. arrive/reach/get v.单词和短语（1）he was sleeping late when it arrived.当它到时他正在睡懒觉。 （2）they arrived in nanjing yesterday.他们昨天到达南京。（3）did he reach beijing on time? 他按时到达北京了吗？（4）john will get to the park at 7：00.约翰将在7：00到达公园。思考：（1）arrive是不及物动词，后面跟名词时需加介词，跟较大的地点名词时用介词 ，跟较小的地点名词时用介词 。（2）reach是及物动词，后面直接跟 （3）get是不及物动词，后跟地点名词时，需用介词 。2. land v. &n.(1)there are more and more plants on the land. 在陆地上有越来越多的植物。(2)the spacecraft landed on the grassland safely 宇宙飞船在划原上安全降落了。(3)the plane will land in jinan in 15minutes.飞机将在15分钟后降落在济南。思考： （1）land作名词时，意思是 ，on the land指 。（2）作动词时，意为 。构成短语有 。 3. in front of “在前面”(1) well，i was standing in front lf the library.嗯，我正站在图书馆前。(2) i sit in the front of the car .我坐在小汽车的前部。思考：(1) in front of与in the front of都表示“在的前面”，总结两者的区别： (2)两者的反义词（组）分别是什么？ 4. take off(1)what was the girl doing when the ufo took off? (p19 2c)当飞碟起飞时这个女孩正在干什么？ (2)why not take off ？为什么不脱下你的厚外套？思考：（1）在例（1）中take off意思是 ，例（2）中意思是 。（2）它的反义词组是 。即时练习：1. the spacecraft wont until 10oclock.a. take on b. take off c .take in d. get on 2. tom. your t-shirt right now! it looks so dirty.-sorry, mum. i was playing football the whole afternoon. a. take off b. take on c. put off d. put on 点拨：由it looks so dirty.知应当把脏衣服脱掉。3. i say a beautiful bird (在房子前)4. who got to the classroom first? (用arrive改写为同义句) 探究点二 重难点句子和语法 重难点句子探究1. a: what was he doing when the ufo arrived?当飞碟到达的时候他正在做什么？b. he was sleeping late when it arrived.当它到达时他正在睡懒觉。思考：两个句子中都含when有引导的 。when意为“ ”，多指具体的时间点，它所引导的从句中的谓语动词可以是 性动词，也可以是 性动词。2. while the boy was walking down the street. the ufo landed. 思考：（1）翻译原句： （2）while表示两个动作同时进行，主从句通常用什么时态？ 如：my father is reading while im doing my homework.当我正在做作业时，我爸爸在看书。重难点语法探究过去进行时 (1) i was doing my homework at this time yesterday.昨天的这个时候我正在做作业。(2) they were waiting for you yesterday.他们昨天一直在等你。(3) what was the girl doing when the ufo took off?当飞碟起飞时这个女孩正在干什么？思考：请结合课本p96，总结该语法的用法。（1）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，如： （2）过去进行时的构成：肯定形式： 否定形式： 疑问形式： 肯定与否定回答： 即时练习：1.where was your brother at this time last night? he was writing an e- mail i was watching tv at home.a. as soon as b. after c. until d. while2. i my clothes, and the phone rang.a. wash b. washed c. am washing d. was washing3. linda was washing the clothes she heard a knock on the door. a. when b. while c. as soon as d. howsection a （3a-4）预习案教材助读（二轮阅读）一、一轮阅读做题目1. read and finish 3a. 2. read again and check the following statements（t/f）；a. i was playing in the street when a ufo arrived.（ ）b. the alien went out of the ufo.（ ）c. the alien went into a souvenir shop at first.（ ）d. i called the police when it was in the museum.（ ）二、二轮阅读找难点学习建议 认真阅读第20页内容。标记出单词、短语、重点句型和交际用语。（一）单词、短语1.经历 2.想象；假设 3.奇怪的 4.助手 5. surprised 6. kid 7. at around ten oclock 8.出去 9.给警察打电话 10. the museum of flight （二）句型1. at around ten oclock in the morning，i was walking down the street when a ufo landed right in front of me. 2. you can imagine how strange it was! 3. i followed it to see where it was going，and i was very surprised when it went into a souvenir shop. 4. before the police arrived，the alien left the shop and then visited the museum of flight. 5. isnt that amazing! 我的疑惑？请你将预习中未能解决的问题和有疑惑的问题写下来，待课堂上与老师和同学探究解决。探究案导入新课 play a game called“memory competition.”the teacher designs ppt with pictures of different activities. write exact time beside the pictures. show students pictures with tips of time in very quick speed (make them disappear in 3 seconds). ask them to watch carefully and memorize the time and activities as quickly as possible. stand up and tell it in one whole sentence. for example，he was playing football at 3：00.质疑探究教学建议 语篇探究中设置了短文填空，是为了帮助学生更好地理解和记忆课文。可以在学生学习探究点之后，让学生利用语篇填空进行短文复述。 探究点一 语篇探究、1.短文体裁是 ，陈述过去的事情，所以用 。写作顺序是 。2.其中出现了哪几个人物? 3.试着不看课文完成下面的填空题。i had a very (1) experience on sunday. at around (2) oclock in the morning. i was walking down the street when a ufo (3) right in front of me. an alien got out and went into a (4) shop. while it was looking at the souvenirs，the (5) called the police. before the police arrived，the alien visited the museum of flight. and i called the (6) .探究点二 单词和短语1. experience（1）i had a very unusual experience.我有一次非同寻常的经历。（2）she has rich experience of teaching.她有丰富的教学经验。思考：（1）experience作为不可数名词，意思是 ，作为可数名词意思是 。（2）猜一下experienced的意思 ，be experienced in 。2. right adj.& adv.（1）i think he is right.我认为他是正确的。（2）tony had the right key.托尼有准确的（对的）钥匙。（3） ，i was walking down the street when a ufo landed right in front of me. ，我正在街上走，一架飞碟刚好在我面前降落。 思考：（1）right作形容词，既可以放在be动词之后，作 （什么成分）；又可以置于名词之前作 。（2）right作为副词，意思是 ，相当于副词 。3. imagine v.“想象”（1）you can imagine how strange it was!你可以想象出它是多么奇特啊!（2）he imagined becoming a lawyer when he was young.小时候他想成为一名律师。（3）can you imaging jack doing the work himself ?你能想象杰克自己做这项工作的样子吗?（4）you can use your imagination to draw the picture.你可以用你的想象来画这幅画。思考：（1）imagine作及物动词，后跟名词、代词。例句2）和3）说明imagine+（sb.） .（2）imagine后可跟 从名、wh-从句宾语，也可跟由to be短语作宾语补足语的复合宾语，to be可以省略。（3）它的名词形式是 。即时练习：1. im behind you there.a. rightly b. right c. correctly d. correct2. i cant imagine （lie）like that. i would go crazy.3.她是一名有经验的医生。 探究点二 重难点句子探究1. you can imagine how strange it was! 你可以想象出它是多么奇特啊!思考：（1）how strange it was作imagine的 。且从句是一个感叹句。（2）感叹句一般由how和what引导。what修饰的是名词，名词是单数可数名词时，它构成的感叹句的结构是 ；当名词是可数名词复数或不可数名词时用的结构是 。how修饰的是形容词或副词，即“ ”构成感叹句。2. how about you ?（1）how about意思是 ，同义短语是 。（2）how about通常表示提建议，后面接动词的什么形式? 。即时练习：1. what an exciting film!（改为同义句） 2. dad, do you like my picture? ! its the nicest one ive ever seen! a. what a wonderful picture b. how a wonderful picture c. what wonderful d. how careful3. how about basketball this afternoon? a. play b. plays c. playing d. playedsection b (12c)预习案教材助读1、 听力内容预测1. 牢记单词，熟悉句型，扫清听力障碍。2. 阅读听力要求和问题（或者看图）预测听力内容，以便听对话时做到有关的放矢。（1） how many people are talking? （2） what are they talking about? 2、 阅读对话学习建议 在文中勾画出单词、短语、重点句型和交际用语，并结合语境猜测其含义。（1） 单词、短语 1.恐惧的 2. climb 3.呼喊 4. jump 5.ride的过去式 6. climb a tree 7.跳下去 8. take a photo 9.骑他的自行车 10.警察 （2） 句型1. what a day i had! 2. well, while i was walking to school i saw a cat in a tree. 3. shes shouting. 我的疑惑？请你将预习中未能解决的问题和有疑惑的问题写下来，待课堂上与老师和同学探究解决。探究案导入新课 show a picture of two people doing different things. one is dancing and the other is phoning. askseveral students to describe the activities in one sentence. then guide them to match the pictures with the statements. the aim is to get them familiar with some words and expressions.i 洗耳运动1. listen to the dialogue and choose the correct answer.(1) john saw a while he was walking to school. a. snake b. dog c. cat d. mouse(2) while john was climbing the tree, a saw him. a. woman b. man c. girl d. boy(3) while the man was calling the police, a woman . a. called the newspaper b. called the police too c. shouted d. took a photo2. listen again and finish the questions in 2a and 2b. 2a:1 2 4 5 6 7 2b: 1.e 2.d 4.a 5.f 6.c 7.bii角色表演假设你昨天在回家的路上看到了一只受伤的小狗，正打算救它又发生了一连串的事情。请发挥你的想象力，运用所学词汇、短语和句型与自己的小伙伴进行模拟对话。比比看谁最有想象力、谁的表达能力最强。a: what a day had!b: what happened?/whats wrong?/tell me about that.a: well, while i was walking home, i saw a dog on the road.b: what did you do?iii质疑探究质疑解疑、合作探究教学建议 先学后教，在学生学习之后可以让学生说出自己的问题，针对问题进行展示点评，以达到提高效率的目的。探究点一 单词和短语1. scared adj. “恐惧的”(1)hes scared. 他很害怕。(2)were you scared when the earthquake happened?(3)shes scared of math teacher. 她害怕她的数学老师。(4)im scared to go out at night alone. 我不敢晚上独自出去。(5)im scared of failing the exam.我害怕这次考试会不及格。 思考：(1) 翻译例句（2）： (2) 作为形容词scared的用法有哪几种？ 2. shout v. “呼叫；呼喊” (1)the child shouted with pains.那孩子痛得叫起来了。 (2)the man shouted to me in the distance.那个人在远处朝我喊。 (3)dont shout at the little baby. he will cry. 别朝着那个小孩大喊大叫，他会哭的。 思考： shout构成的短语有： shout with .”因。而叫喊”；shout to sb.“|向某人喊”，往往指远距离的喊；shout at sb.“朝 着某人喊”，多指因为生气而对某人大声喊叫。 即时练习： 1.people are to use the buses late at night.(用scare的正确形式填空） 2.its impolite to others. a. call at b. call c. shout at d. shout 探究点二 重难点句子探究 well, while i was walking to school i saw a cat in a tree. 嗯,当我步行去学校时我看见树上有一只猫。 思考： (1)本句含有while 引导的 ，主句是 。 (2)in a tree 能换成 on a tree 吗？试总结一下“在树上”的表达方式。 即时练习： look! a monkey is the tree. it is eating the bananas the tree.a. on; in b. in; onc. in; to d. on; onsection b (34b)self check预习案教材助读（二轮阅读）1、 一轮阅读做题目1. 阅读p22短文，完成下列问题：(1)what was linda doing when the dog ran away? (2)did she find her dog at last? (3) where was davy? 2. 再读短文，判断对错。(1) linda called the police to help look for dog.( )(2) davy met another dog in the station.( )(3) davy was sleeping when linda finally saw him.( )2、 二轮阅读找难点学习建议 认真阅读第22页至第23页内容。画出单词、短语、重点句型和交际用语并结合语境猜测其含义。(1) 单词、短语 1.run的过去式 2.任何地方 3.meet的过去式 4.happen 5.accident 6.飞机 7.train station 8.到外面 9.crowded 10.逃跑；跑开 11.walk around 12.寻找 13.next to 14.at the doctors 15.in hospital 16.go to the class （2） 句型 1.while linda was buying a newspaper at the train station, the dog got out of his box and ran away. 2.while she was talking on the telephone, davy met another dog outside the station. 3.她没有考虑向车站外看看。 4.它们旁边有个警官。 5.while he yan was at the doctors, i was going to the class. 我的疑惑？请你将预习中未能解决的问题和有疑惑的问题写下来，待课堂上与老师和同学探究解决。探究案导入新课 do you have a pet? raise your hands and tell me what you do with it. if it is lost, what will you do ? read the passage and check the answers.质疑探究质疑解疑、合作探究教学建议 section b(3-4b)中的重点句型不多，重点是过去进行时的句子，所以老师应当要求学生熟记其中的过去进行是的句子。探究点一 语篇探究学习建议 通过对教材文章结构、主旨大意等的把握，加深对课文的理解。1. 文章叙述故事的线索是什么？用英语表达： 2. 凭借自己的记忆，将下列情景排序。 a. linda shouted davys name but he didnt come,. b. davy was jumping and running with another dog next to a police officer. c. linda called the police. d. linda found her dog davy run away. e.a little boy told her that he saw a big black dog.探究点二 单词和短语1. anywhere adv. 任何地方(1) linda couldnt see davy anywhere. 琳达到处都看不到戴维。(2) did you go anywhere last night? 你昨晚有没有到什么地方去？(3) i hope to find somewhere quiet to think about it. 我希望找个安静的地方好好考虑一下。(4) look at your clothes and shoes. they are everywhere!看看你的衣 服和鞋子。它们到处都是！思考：anywhere, somewhere和everywhere均为副词。总结其用法：(1) anywhere意为“ ” ，通常用于 和 句中。(2) somewhere“某个地方” ，用于 句中。(3) everywhere意思是“ ” ，常用于 句中。(4) 三者的共同点是：被形容词修饰时要放在形容词的 （位置）。2. think about 思考；考虑(1) she didnt think about looking outside the station. 她没有考虑向车站外看看。(2) hes thinking about how to work out that math problem. 他正在考虑如何解决那道数学题。(3) i cant think of her name at this moment. 我此刻记不起她的名字了。(4) they need to think out another method.他们需要想出另一种方法。思考：(1) think about后面跟名词或动词的 形式。也可以跟“特殊疑问词+ ”结构。(2) think out表示 ;think of表示“想起；记得”时，相当于动词 。(3) 与think有关的短语还有 3. happen v.发生 (1)what happened with linda was on the telephone?当琳达打电话时发生了什么事？ (2)a car accident happened to him when he was riding to work.他在骑自行车去上班的路上发生了车祸 (3)the meeting takes place once a year.这种会议一年举行一次。思考：(1) happen是不及物动词，如何表达“某人发生某事” ？ 。主语是人还是事物？ (2) happen与take place都表示“发生” ,但两者在含义上有细微的差别。请总结。 4. at the doctors (1)he was at the doctors at 9:00 yesterday morning.昨天上午九点的时候他在诊所。 (2)youd better go to the barbers to cut your hair.你最好去理发店去理发。 (3)lets go to mr browns after supper.晚饭后我们去布朗先生家吧。 思考： (1)at the doctors 相当于at the doctors office.英语中“在某人家里”可用介词at+某人的名字或 称呼的 形式。 (2)在表示职业、姓氏、称呼的名词后加 可以表示住所、公共建筑或商业场所等。 即时练习： 1. great changes in our hometown last year.a. happen b. h