初二下英语教案

【知识目标】本课的13个单词以及相应的动词短语、介词短语。 ① A:What were you doing when the UFO arrived ? B:I was standing in front of the library when the UFO arrived. ② A:What was the boy doing when the UFO landed? B:He was sleeping late. 【能力目标】熟练 运用本课词汇 及句型谈论在过去某一时间发生的事情。.【情感目标】培养学生正确的价值观。【重点】过去进行时 was / were + doing sth.【难点】过去进行时时态的熟练运用，when 和while 的用法区别【学习过程】 Step1 Do the following exercise and check the answers by group leader.1.一个飞碟_____________2.理发店_________3.在盥洗室_________4.在卧室__________ 5. 在厨房里____________ 6.出去_______________7.一个外星人__________ 8.buy(过去式)__________9.get(过去式)______ 10.一次不寻常的经历______11. 起飞________12.kid(现在分词)_________ Step2 Grammar（一）过去进行时1.含义：表示过去的某一时刻或某一时间内正在进行或发生的动作。2.构成：was/were+v-ing。3.标志：at that time, this time yesterday, all the evening, from 8:00 to 10:00yesterday, just then, at nine yesterday, when等表示明确有具体的时间状语。eg：I was doing my homework at this time yesterday.What was Tom doing at ten yesterday.I was eating dinner when the phone rang.4.具体的句型：(1)肯定句：主语+was/were+v-ing eg： They were having a meeting that time. (2)否定句：主语+was not(wasn’t)/were not(weren’t) +v-ing 上句改写为：They were having a meeting that time._____________________ (3)一般疑问句式：Was/Were +主语+v-ing？ 肯定回答：Yes，…was/were. 否定回答：No，…wasn’t/weren’t.Eg：Was she reading a book when the teacher came in?Yes,she was. / No, she wasn’t.(二)when与while用法1.when是“当……时候”，相当于at that time,既可以表示某一时刻又可以表示某一段时间，所以when引导的时间状语从句动词既可以是延续性的，又可以是非延续性的。when引导的时间状语如果是一般过去时，主句一般用过去进行时。而while也意为“当……时候””，相当于during the time，表示某一段时间历里的情况，故其引导的时间状语从句中的动词必须是延续性的。eg：While I was watching TV, my mother came back.=When my mother came back, I was watching TV.2.while重在强调其后的动作与助于动作的对比，表示“与此同时”。eg：She was listening to music while I was playing computer games.3.when/while练习1）_____ the teacher came in, we were talking and laughing.2)I got home______ my mother was cooking dinner.3)They were dancing _____ we came to meet them.4)_______the alien was visiting the museum, the boy called the police.Step3 学习 3a部分 1.读课文，写出下列短语和句型。1)一次不寻常的经历 __________ 2)大约在十点左右 3) 跟随某人做某事______ 4)它是多么的奇怪！ _______ 5)当它走进一家礼品店的时候我感到非常惊讶。__________________________________________6)太不可思议了。__________________________________2.再读短文，回答问题。1）When did the UFO land ? what was the writer doing ?2) What places did the alien go ? what did they do ?3) Did the alien buy any souvenirs in the shop ？ 4) What did the writer do while the alien was in the museum ?【当堂达标】 （一）根据句意及首字母完成单词1.My sister was watching TV w_______ she was having supper.2.My mother was cooking in the k_______ when I got home yesterday.3.My friend b_________ me a book as a birthday present last week.4.The plane l_______ safely at last.5.I graduated from Shandong University this year. So I have no e_______in teaching English. (二)用所给词的适当形式填空1.What an ________(amaze) sight!2.I often see Mrs. Green________(water) flowers in her garden.3.When they came into the room, Jack and Mike ________(read) books.4.While I________(sing) an English song, he ________(come) in.5.What______ you_______(do) at this time yesterday?6.We ________(listen) to the radio at 7:00 yesterday evening.(三)单项填空1.We heard someome ______ in the next room.A.sings B.sang C.to sing D.singing2.There are many trees _____ the classroom.A.in front of B.in the front of C.in front D.at the front3.His mother wanted to know what he ______ at that time.A.is doing B.was doing C.has done D.will do4.-I was doing my homework at eight o’clock last night.-You are______. I saw you in the cinema.A.hard-working B.kidding C.kiding D.kidded5.They were playing football it rained. A.while B.when C.as D.before6.____we were eating dinner in the restaurant, the ower’s dog took my bag away quietly.A.Because B.While C.If D.Until【课后反思】我的收获是______________________________________________________我的不足是__________________________________________ 我努力的方向是__________________________________________ Unit3 What were you doing when the UFO arrived?Section B【教师寄语】Today must borrow nothing of tomorrow.今日事今日毕。【学习目标】 1、知识目标：1) Key words: scared, climb, jump, shout, rode, ran, anywhere, met, happen, accident, plane, heard, modern, kill, murder, binght, playground, bell, rang, told, close, silence, recent, destroy, terrorist, meaning, became, flight, earth, hero, flew2)Key phrases:jump down, take a photo , at the train station, run away , be crowded, think about, come in, look for, Beijing International Airport , at the doctor’s, for example, hear of /hear about , take place, World Trade Center, one of the most important events, in modern American history , as …as , walk home in silence , be destroyed by…, at that time , in space , a national hero , all over the world , be famous /become famous, for the first time3)Key sentences:While Linda was buying a newspaper at the train station, the dog got out of his box and ran away.When Linda finally saw Davy, he was jumping and running with another dog.People often remember what they were doing when they heard the news of important events in history.This was one of the most important events in modern American history.2.能力目标：熟练运用when \ where 引导的时间状语从句句型。3.情感目标:利用所学的过去进行时态来讲故事，用欣赏的眼光发现生活的美。【重点】1.while when 引导的时间状语从句 2.anywhere 的用法【难点】 过去进行时的学习和运用与写作训练【学习过程】Step1预习导学与自测：自主完成activity 1.1.爬树______2.跳下来__________ 3.惊恐的________ 4.火车站________ 5.从…出来________6.跑掉______7.寻找______8.某事发生在某人身上________Step2情景导入：(1) I was reading the book. The light was off.(用连词while把两句话连接起来:While I was reading the book, the light was off.)(2)I was cooking. The door bell rang.(用while把两句话连接起来:The door bell rang while I was cooking.)Step3自主探究：词组用法。1、be scared to do表示“不敢做某事”，是主观原因。例如：He is scared to go out at night.2、be scared of doing 表示“担心出现doing所出现的情况、结果”，doing 是客观上造成的。例如：He is scared of failing in this maths test.3、小节回顾1) While 表示“在……过程中”，强调在一段时间内，所以While引导的从句中的谓语动词必须为延续性动词。如：While was writing a letter ,the children were playing outside.Mary 写信时孩子们正在外面玩。（此句中主句动词play为延续性动词，强调主句和从句的动作同时发生。）when连接的状语从句是个特殊句型，前一个分句（谓语动词用过去进行时）+后一个分句（谓语动词用一般过去时）表示在前一个动作正在进行的过程中突然发生了后一个动作如：I was walking along the road when I met a friend of mine.

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