1、徐州市城北中学初二英语教学案8A unit8 Grammar学习目标1. 掌握下列词汇及句型：1) discuss, terrible，break2) search the Internet, discusswith ,plan a trip to, on the side of the road, drive you to school , break down2. 能够了解并掌握过去进行时态。3. 学习 when/while 在过去进行时中的用法。课前预习1.识记 P123-124 关于现在进行时的相关知识，并找出用 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
2、清楚它的用法。来源:学优高考网 gkstk2.预习 P97P98，在课本上划出词组和重点，难点 的句子并翻译。自主学习1. 认真研读 P97 过去进行时的概念，完成本页练习。2. 认真研读 P98 的内容，尝试完成本页练习。3. 按要求完成下列句子。1). She is writing to her friend now. (用 at nine last night 改写句子)She _ _ to her friend at nine last night.2). They were talking noisily when the teacher came in. (对划线部分提问)What
3、_ they_ when the teacher came in?4. 用动词的适当形式填空。1). John _ (work) all day yesterday.来源: 学优高考网 gkstk2). While I was riding along the street, a boy _ (run) towards me.3). Listen! Someone _ (shout) for help. 4). What _ you _ (do) at ten oclock yesterdayI _ (study) in class.5). I got up late this morning
4、 and _ (hurry) to school.6). I _ (do) some washing when you _ (knock) at the door yesterday.7). The traffic _ (be) heavy this morning. We were all late for work.8). What _ she _ (do) last Saturday?She _ (go) hiking with my classmates.学习展示1. 根据图形用过去进行造句并总结规律。1). He is swimming now. (用 at this time ye
5、sterday)He _ _ swimming at this time yesterday2). It is raining now. (用 the whole night yesterday 改写)It _ _ _ _ the whole night yesterday3). They are dancing now. (用 at 4 p.m. yesterday 改写)They _ _ _ _at 4 p.m. yesterday2. 小组模仿回答。Q：What was Mr. Wu/Simon/Millie/Sandy doing when the snowstorm came? Mr
6、. Wu _ _ when the snowstorm came.= _ _. Simon _ _ when the snowstorm came.= _ _. Millie _ _ when the snowstorm came.= _ _. Sandy _ _ when the snowstorm came.= _ _.总结规律：句子 1 (延续性动作 )(过去进行时)+ When +句子 2 (短暂性动作) = 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)3. 用 while 改写例句。e.g. I came while the gir
7、l was dancing.= While the girl was dancing, I came.疑难学习1. 过去进行时的用法： 过去某个时间正在发生的动作。e.g. He was cooking at six last night. 昨天晚上六点，他正在做饭。 过去某段时间正在发生的动作。 e.g. I was staying here from March to May last year. 去年从三月到五月，我一直呆在这里。2. 常与过去进行时连用的时间状语，有：at nine last night, at that time =then/at this time yesterda
8、y, when the teacher came in, while he was reading 等。3. 过去进行时的构成：was/were + v-ing4. 过去进行时的四个基本句型。 肯定句： He was cooking at six last night. 否定句： He was not cooking at six last night. 一般疑问句： Was he cooking at six last night? 来源:学优高考网 gkstk回答： Yes, he was. No, he wasnt. 特殊疑问句： What was he doing at six las
9、t night?5. 过去进行时的固定句型。1) 根据汉语意思翻译下列句子。 当发生地震时，我正在购物。I _ _ _ _ some shopping when it _. 当玻璃、瓦片往下掉的时候，人们正慌乱地跑着。People _ _ _ _ wildly while pieces of glass and bricks _ _ down. 我正在寻找出路时，突然我听到头顶上有声音。I _ _ to find my way out when I suddenly _ _Some noise above me. 2) 讨论：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
10、 句。3) 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 parents_ _ _ (watch) TV when I arrived home last night. 刚才当老师走进教室的时候，学生们正在读书。Students _ _ (read)when the teacher came in just now.总结：1. 在这些句子中，when 引导的句子表示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。2. 但是若强调某个动作正在进行中时，又发生了别的动作，用 when 从句。when 从句必用
11、过去进行时，主句用一般过去时。若表示在 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 。来源:gkstk.Come.g. _ _we were having supper, the light went out._he was riding a bike, he fell off and hurt his leg.3. 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”。e.g. He was reading the newspaper _ _ I was studying.4. 以小组形式提
12、出疑问，小组讨论，组间交流答疑。课堂反馈 1. 用所给动词的适当形式填空1) Now Jims sister _ (read) newspapers.2) He _ (watch)TV at nine last night.3) He _ _ (watch)TV last night.4) What _ _ the twins _ _ (do) then?5). -_ Lily _ _ (draw) a cat when the teacher came in ? -No, she _ _.6) _ _ you _ _ (have) supper at that time?7) Jack _
13、(not read) a book at nine yesterday evening.8) Now Jim _ (play) basketball on the playground.9) What _ he _ (do) at nine oclock last night?10) They _ (listen) to the music at that time.11) When the teacher came in, the students _ (read) the text. 12) We _ (watch) TV when suddenly the telephone rang.
14、13) Her mother _ _ (cook) while her father was watching TV.2. 用 when 和 while 填空1) Mother was cooking _ _father was watching DVD last night.2) _ _ Tommy got there, the famous scientists was giving a talk on traveling.3) The singer waved to us _ _ she was singing the song.4) _ _ they were playing bask
15、etball, we were cheering for them.5) The telephone rang _ _ David was sleeping last night.6) _ _ the telephone rang, David was sleeping last night.家庭作业 1. 句型转换。1) He was doing his homework at eight last night. (改否定句 )_来源:学优高考网 gkstk2) My brother is watching TV now. (用 at four oclock yesterday 改写)_3) My father was searching the Internet at that moment. (对划线部分提问)_4) He was writing a letter when I came in. (对划线部分提问)_5) I didnt know where I should go. (改为同义句)_6) It is cloudy and a little windy today. (对划线部分提问)_教后反思：
