八年级英语上册Unit6NationaldisastersGrammar(2)精品学案牛津译林版

1、i八年级英语上册 Unit 6 National disasters Grammar林版主备人总 10-6 课时上课时间课 题8A Unit6 Natural disastersGrammar(2)past continuous tense with“while ” and “when学习目标知识目标单词： Sno wball ,sno wma n , hit词组： Make a sno wma n ,fall over能力目标能够了解并掌握用when 和 while 引导的时间状语从句与过去进行时连用的几种情况。情感目标学习重点学习用 when 和 while 引导的时间状语从句与过去进行时

2、连用的几种情况。学习难点在过去进行时中正确使用when和 while。课前自学*找出用 when / while引导的时间状语从句与过去进行时连用的情况.查资料搞清楚它的用法.一根据汉语意思翻译下列句子。1.当发生地震时，我止在购物。Isome shopp ing whe n it.2当玻璃、瓦片往下掉的时候，人们正慌乱地跑着。Peoplewildly while pieces of glass and bricksdow n.3我正在寻找出路时，突然我听到头顶上有声音。Ito find my way out whe n 1 sudde nlySome no ise above me.二.讨论

3、：有时为了句子表达的需要，我们可以用复合句来表达过去进行时.如以上 3 句。在过去进行时中 when和 while 用法及其区别。? 昨晚当我到家的时候，妈妈和爸爸正在看电视.My pare nts(watch) TV when 1 arrived home last ni ght.(2)精品学案牛津译2?刚才当老师走进教室的时候，学生们正在读书Stude nts_ （read）whe n the teacher came in just now.在这些句子中,when 引导的句子表过去的某一个具体的时间,when 从句用一般过去时，而它的主句用过去进行时.?但是若强调某个动作正在进行中时，又

4、发生了别的动作，用 when 从句.when 从句必用过去进行时，主句用一般过去时.（表示在 when 从句正进 行期间又发生了主句的动作）此时，when=while，表时间段如?_we were havi ng supper, the light went out.?_he was riding a bike, he fell off and hurt his leg.?若主，从句两个延续动作同时进行，用 while,则主句与从句都用进行时，此时,while 译为“而” “一边，一边”，如：.He was reading the newspaper_ I was studying.三.（热身

5、一下吧）用when和 while 填空。1._ My mum was sleeping my aunt came to visit her.2. My father was working in the garden _I was sittingin the sun.3. _ he came yesterday, we were play ing basketball.4. _ we were laugh ing , the teacher came in.5. _ the Whites were havi ng supper, I kno cked at the door.五.完成句子.1.

6、 当到 Sim on 的时候,Amy 正在从地上取雪._ Sim on_ , Amy_some snow from the gro und.2. 正当 Danial 在做雪球时，他摔倒了 ._ Da nial_a sno wball , he_ .3.Suzy 在堆雪人的而 Kitty 就站在她的旁边.Suzy_ a sno wma n_Kitty_3beside her.4. 正当 Mary 在拍照的时候，Andy 朝她跑了过来.Andy_ towards Mary_she_ .5. 正当我在买东西的时候，地震发生了 .4The earthquake_ I_ some shopp ing.6

7、.刚才我看见李平和他的父母在路边等公共汽车I_Li Pi ng and his pare nts_ the bus_the side of the road.课堂交流展示展示一：在组内和班内展示课前自学中重要的短语及句型 展示二（1）:根据图形用正确的时态回答问题例句T: What was the girldoing when Icame?S: She_ whe n I came.= When I came , she_.小组模仿回答。并根据课本 100 页 A2 回答下列问题。What was Mr. Wu/Sim on/Millie/Sa ndy doing whe n the sno w

8、storm came?1Mr.Wu_ whe n the sno wstorm came.2Simo n_ whe n the sno wstorm came.3Millie_whe n the sno wstorm came.4Sandy_whe n the sno wstorm came.总结规律句子 1 1（延续性动作） （过 去 进 行 时）When+句子+（暂性动作 ） 过 去 时5=When +句子 2 （短暂性动作），句子 1 （延续性动作）（注：When 也可延续性动作）展示三：可用 while 改写例句I came while the girl was dancing=Whi

9、le the girl was dancing , I came .(2)用 while 改写以上第一题中的4 个答句。6=While + 句子 2（延续性动作），句子 1（延续性动作）.展示五：让两个学生同时表演不同的动作，其他学生用while 造句。展示六：完成课本 101 页练习。核对答案并朗读。课堂达标检测1_2_3_4_句子 1 1（短暂性动作）句子 2 2 （延续性动作）探 心结规律：（一般过去时）+ while +（过去进行时）=While +句子 2 （延续性动作），句子 1（短暂性动作）展示四：根据图形用连接两句含有过去进行时的句子S1: What was she doi n

10、gwhile we were watching TV?S2: Shewhile we were watching TV.While we were watching TV ,she探总结规律:句子 1 1（延续性动作）（过去进行时）+ while +句子 2 2 （延续性动作）（过去进行时）7一 用所给单词的适当形式填空。1. Your cous in(not play) basketball when 1 saw him.2. When 1(leave) home ,my sister(eat) breakfast.3. Whenl cameto see him , Daniel(searc

11、h) for some informationon the Intern et.4. Girls(da nee) while boys(sin g).5.Whe n the teacher looked for them , wherethey(play ) football.6. When I saw you , whoyou(talk) with?二.用 when 和 while 填空I.Mother was cook ingfather was watch ing DVD last ni ght.2.Tommy got there , the famous scie ntists was

12、 givi ng a talkon traveli ng.3.the famous scie ntists was givi ng a talk on traveli ng.Tommy got there.4. The sin ger waved to usshe was singing the song.5.they were playi ng basketball , we were cheeri ng for them.6. The teleph one rangDavid was sleep ing last ni ght.7.the teleph one rang , David w

13、as sleep ing last ni ght.8.my uncle came to see me, I was readi ng.三.翻译句子.1.我妈妈正在做饭，我爸爸在看报纸.2.当老师进教室时，学生们在相互聊天.3.当孩子们正在上课的时，地震发生了.4.当我购物时，我突然听到了一声象雷一样的巨响.8学习感悟：课时 10-6 的答案 : （ 一 ）1.wasn t playing 2.left ,was eating 3.was searching 4.were dancing ,were singing5.were playing 6.were talking（ 二 ）1.while / when 2.when 3. while/ when 4. while/ when 5. while/ when 6. while/ when 7.when 8.when（ 三 ）1.My mum was cooking while my dad was reading newspape