英语人教版九年级全册Unit 12 sectionA.docx

九年级英语下册Unit 12 Life is full of the unexpected第一课时Section A(1a2d)教学任务1能掌握以下单词及短语：unexpected。2掌握By the time I got outside和When I got to school backpack at home句型。教学重点1能听懂别人叙述过去的事情。学会运用一般过去时来完成句子。2能初步运用由when/before/by the time引导的时间状语从句叙述过去的事件。难点用过去完成时叙述过去的教学难点释义leave 用作及物动词其用法有：1表“离开”。leavefor意为“离开某地前往某地”。2表“剩下”。3表“辞去(工作等)；脱离(组织等)”。4也用作不及物动词意为“去出发” 注意：表示把某物落/忘在某地不能用forget要用leave, 结构为：leave sth.地点。情景导入生成问题词语解释be full of 表示“充满”与意思相近。意为“意外的事情”。表示一类人或事物。如：老年人应该被政府好好照顾。翻译下列短语：（1）洗浴_(2)把背包忘在家里WWW.(3)响铃_(4)冲出房门out_the_door_(5)带某人一程_(6)刷牙_I can summarize.(我会总结)过去完成时的构成：肯定句：助词had_过去分词；否定句：可缩写hadnt_)_过去分词；一般疑问句： 主语_过去分词？(1)by the time等作连词引导时间状语从句当从句用一般过去时主句用过去完成时；当从句用一般现在时主句用一般将来时或将来完成时。By the time he was ten，Tom built a chemistry lab himself.等到了十岁的时候汤姆自己建了一个化学实验室。【学法指导】By the time I got outside当我出来时公共汽车已经离开了。表/到时”引导时间状语从句。如果从句中用了一般过去时主句中常用过去完成时；如果主句中用了将来时从句中常用一般现在时表将来。如：By the time I got up当我起床时他已经离开了。到他二十岁时他会成为一名教师。【拓展】 by now 表示“到现在为止”通常与现在完成时连用。如：By now I have collected 200 dolls.到现在为止我已收集了二百个布娃娃。【备注】过去完成时是一个相对的时态表示的是“过去的过去”只有在和过去某时或某动作相比较时才用到它因此当原句中若找不到一个“过去的时间”作为参照点时教学预习Task 1Lets read the new words and phrases.1I can read.(我会读)预习下列单词和短语争取自己能正确拼读。拼读成功后再在课文中把单词和短语标记出来。2I can write.(我会写)Task 2Lets listen to the tape and finish 1bTask 3Lets make conversations and interview.1I can practice.(我会练)根据汉语提示完成下面的句子每空一词。当我到车站时火车已经开走了。time I got to the station，the train had already left(2)长大后他会离开这儿。(3)当我到达电影院时电影已演了五分钟了。on for five minutes.2I can make conversations.(我会编对话)分小组轮流扮演Mary。看着上面课本中的图片讨论今天上午发生了什么。1Listen to the tape and finish the listening tasks in 1b.Then students listen again and repeat.2Students listen to the tape and finish the listening tasks in 2a，2b.Then listen again and repeat.Task 3Read the contents in 1c and 2c，then finish the tasks in 1c and 2c.Students need imitate listening and have a conversation practice with your partner.He got to the railway station and suddenly realized that he had forgotten to bring his ticket.他到了火车站后忽然意识到他竟忘记带车票了。(“忘记”这一动作在“意识到”这一动作之前)交流展示生成新知Preshow：Show in groups.(Time: six minutes)Task 1：1.First2Ask all the students to read the textbook on P8990 in a rapid way，then translate the phrases in “I can write” and check their answers by themselves in groups.3Students summarize what they have learned by themselves through previewing the textbook.Task 2：1.Listen to the tape twice, 2Turn to P90 and the teacher plays the tape twice to let the ss finish listening tasks in 2a and 2b.Task 3：Firsts in pairs.Improve by showing: Class show.(Time：sixteen minutes)Task 1: 1.I can read.(1)Read together；(2)Sum up and explain the usage of “keep”2I can write.(1)Students translate the phrases into English by answering quickly; (2)Read together；(3)Spot test：Consolidate the usage of phrases by making 3I can summarize.Sum up the usage of “be full of” and “be unexpected”Task 2：The teacher chooses three students from different groups to write down the listening answers of 1b and 2a2b on the blackboard，and explain the grammar about the past perfect tense.Task 3: 1.I can practice.(1)Ask students to translate the key sentences and master the phrases “by the time” in Task 3；(2)Read together；(3)Explain the key sentences.2I can make conversations.(1)Students make dialogues according to the tasks；(2)Set scenes to perform the dialogues.3I can summarize.(1)Students sum up the sentences about “by the time”and make sentences with it；(2)Spot test：After ss have roleplayed the conversations.当堂演练达成目标一、. 用所给动词的适当形式填空1.By the time I _(get) home, the rain _already _(stop). 2. When she got to the gym, the football match _already _（start). 3. I _(cook)the meal before my mother came back from work. 4. Laura said that she _(read)the novel before. 5. When she got to the cinema, the film _ (be)on for over ten minutes. 二. 单项填空1. Did you meet your friend at the train station? No, I didnt. By the time I arrived th