新目标英语八年级下unit3 第一课时.doc

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1、八年级下英语导学案Unit 3 What were you doing when the UFO arrived?第一课时 section A 1a-2c 课型：新授课 主备：韩娟 辅备：初二英语组 总 案 时间：【学习目标】1.学习过去进行时的基本结构及典型句型。 What were you doing when the UFO arrived? 2、while与when的用法。【重点、难点】 1.while与when的用法。2. 学习过去进行时的基本结构及典型句型。自主探究、互助研讨：语法1）过去进行时的含义：表示过去某一时刻或某一段时间正在进行或发生的动作。 2）其结构：肯定句：主语+w

2、as/were+doing+其它 否定句：主语+was/were+not+doing+其它 一般疑问句及答语：Was/Were+主语+doing+其它 Yes,sb was/were. No sb wasnt/werent. 特殊疑问句：特殊疑问词+was/were+主语+doing+其它 那时，Mary正在骑自行车。(翻译) _(按要求句型转换)否定句：_一般疑问句：_两回答：_特殊疑问句：_3）常与其连用的时间状语1）Yesterday 2）last evening 3）from nine to ten 4）at this/ that time yesterday5）at 5 oclock

3、 yesterday 6)those days 7)when+一般过去时的从句 等4）练习 1、I _(do) my homework this time yesterday. 2、They _(make)their beds at 6 yesterday morning. 3、The little cat _(not climb)the tree when I saw it. 4、They _(talk) when the teacher came in. 5.I was doing my homework at this time yesterday.（变为否定句） _ 6.The boy

4、 was walking down the street when the UFO landed. （变一般疑问句并作肯定回答）_. 5)（二）when与while用法1. when与while都是从属连词，都有“_”的意思。When相当于at that time,既可以表示某一时刻又可以表示_，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_。(when引导的时间状语动词可为did可为doing最好用did）而while相当于during the time，表示某一段时间里的情况，故其引导的时间状语从句中的动词必须是_。（动词一定为doing）eg：While I was wa

5、tching TV, my mother came back.（while引导的从句提前，用 （，）与主句隔开） =I was watching TVWhen my mother came back.练习用when或while 填空1.The girl was shopping _the alien got out.2._ the girl was shopping ,the alien got out.3.I was doing my homework _my mother came in.4._I was doing my homework ,my mother came in.5.He

6、called to see me _I was looking for my bag.6._we were talking ,Dad got home.7._I was sitting in the barbers chair , my friend phoned me. 8.The Greens were having dinner _ I visited them.9.What did you do _ the UFO landed?10._I arrived at the airport , the plane was taking off.生词一、写出下列生词abbr.不行飞行物；飞碟

7、n.（为男子服务的）理发师理发店n.浴室n.卧室;寝室n.厨房出去；离开v.剪；切；割n.从另一个世界来的生物；外星人v.(buy的过去式)v.着陆v.(get的过去式)n.衬衫;衬衣起飞conj.当的时候二、 生词讲解1、 UFO 意为：_ 一个不明飞行物_ 两个不明飞行物_2、 alien 意为：_ 一个外星人_3、 Barber 意为：_理发店_ 在理发店_ 在理发师的椅子上_4、 get out 意为：_ op_ 从.里出来_ 进到.里去_5、 land意为：_ 在中央大街着陆_ Land _ London land _ the airport6、 take off 意为：_ 这家飞机

8、从北京国际机场起飞了。_请脱下你的外套。_三、 夯实基础 翻译下列短语1、 在浴室里2、 在我的卧室3、 在厨房里4、 在我的理发店5、 在图书馆前面6、 睡懒觉7、 做一份奶昔8、 在晚饭9、 洗完淋浴出来10、 通电话11、 理发12、 在理发师的椅子上13、 飞行器博物馆14、 买一份纪念品15、 在中央大街上着陆16、 进入一家商店17、 从UFO里出来18、 看见外星人出来19、 起飞20、 给警察打电话21、 给电视台打电话22、 在伦敦着陆23、 当UFO到达的时候，你正在做什么？_24、 我正坐在理发店的椅子上。_25、当外星人离去的时候那个女孩正在购物。_26、当UFO着陆时

9、那个男孩正沿着街道走。_四、拓展练习一、用when或while 填空1_ Tom was eating supper, it began to rain outside.2 Dont use your phone_ you are driving a car.3 What were you doing _ Mr. Zhou came in ?5 We were watching TV _ the electricity was off.6 _Peter was sleeping; a thief broke into his house.7 It snowed _ we arrived in

10、Tokyo.9 I was studying in the library_ the UFO landed. 10、_ the teacher came in, we were talking and laughing. 11、I got home_ my mother was cooking dinner. 12、They were dancing _ we came to meet them. 13、_the alien was visiting the museum, the boy called the police.二用所给动词的正确形式填空1 -Did you hear the n

11、oise?-No. we_(play) the piano then.2 I didnt hear you, I_(make) a phone call then.3 Some girls _(sing) in the park at eight oclock last night.4 We_(listen) to the radio when someone knocked at the door.5 Of course you couldnt see me, I_(take) a bath at that time.6 When they came into the room, Ben a

12、nd Jim _(do) their homework.7 Her mother _(cook) at home at noon yesterday.8 While I _(read) a book, he _(come) home.9 I first saw Lisa two years ago. She_(work) in a shop at that time.10 I dont think Tom saw me, he _(look) at a new dress at that time.1.He_ (sleep ) late when it arrived.2. What was

13、the girl doing when the UFO_ (take) off?3. When I _(arrive) in Shanghai, it was dark.4. Tom _(read) a book at 8:00 last night.5. While the alien _(visit) the museum, the boy called the TV station.三、完成句子。1. There is a supermarket _ _ _ (在的前面) the park.2. While it was looking at the souvenirs, the sho

14、p assistant _ _ _(报警).3. The flight _ _ ( 着陆) Beijing International Airport half an hour ago.4. Look! The boy is _ _ _ (从出来) the theater.四、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 bir

15、thday 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.II. 根据句意及首字母提示完成单词1 My mother is cooking in the k_.2 - Who is taking a shower in the b_.- My brother.3. There is only one bed in my b_.4. Your hair is too long. I think you should go to the b_ shop.5. The plane l_ safely this morning.四按要求完成句子1 The girl was shopping when the alien got out of the UFO.（对划线部分提问）_2 The old man was walking down the street. I met him. （合并为一个复合句）_3 What was he doing? The plane took off.（合并为一个复合句）归纳与总结作业：【课后反思】