2023年度九年級Unit12Lifeisfulloftheunexpected王書華unit12

1、旺蒼縣英萃初級中學(xué)?！皹?gòu)筑理想課堂”教學(xué)設(shè)計初三英語備課組課題Unit12Lifeisfullofunexpected Section A 第一課時（1a2d） 第 1、2課時主備 王書華成員楊麗華 趙洪波教學(xué)目標A類目標能掌握以下單詞及短語：unexpected, by the time, backpack, oversleep, ring, give a lift, 2）掌握By the time I got outside, the bus had already left. When I got to school, I realized I had left my backpack

2、at home.3) 掌握過去完成時時態(tài)，結(jié)構(gòu)及用法。B類目標能學(xué)會合理安排自己的學(xué)習(xí)和生活，做到守時守信。C類目標過去完成時的用法。用過去完成時敘述過去的事件。教學(xué)重點過去完成時的用法。教學(xué)難點掌握過去完成時時態(tài)，結(jié)構(gòu)及用法。教學(xué)過程設(shè)計課前教師準備PPT, 作業(yè)，導(dǎo)學(xué)案學(xué)生預(yù)習(xí)任務(wù)舊知回顧 invent(v.)inventor(n.)發(fā)明家invention(n.)發(fā)明2operate(v.)operation(n.)手術(shù)operator(n.)操作者3salt(n.)salty(adj.)咸的；含鹽的4produce(v.)product(n.)產(chǎn)品production(n.)生產(chǎn)5ac

3、tive(adj.)activity(n.)活動actively(adv.)積極地新知準備新知識用法過去完成時用法： (1) 構(gòu)成：由“助動詞had (用于各種人稱和數(shù)) + 過去分詞”構(gòu)成 否定式：had not + 過去分詞 縮寫形式：hadnt (2) 用法：過去完成時表示在過去某一時間或動作之前已經(jīng)發(fā)生或完成了的動作。(3) 它所表示動作發(fā)生的時間是“過去的過去”。 表示過去某一時間可用by, before 等構(gòu)成的短語來表示。 也可以用when, before 等引導(dǎo)的時間狀語從句來表示。 還可以通過狀語從句或通過上下文暗示。漢譯英: 1當我到達那里時，你已經(jīng)開始吃了。2在他到達那里

4、之前，汽車已經(jīng)離開了。課中課中獨立自學(xué)Work on 1a. Ask Ss to look at the pictures in 1a and ask: What happened to the girl? Think and discuss in group What happened to the girl? 交流互助Possible answers: She got up late. By the time she got up, someone had already gotten in the bathroom. She rushed out the door. The bus ha

5、d left before she got to the station. When she got to school, she realized she had left her backpack at home. . 3. Ask Ss to tell a story about the girl. Listening Work on 1b. 1. Listen to the tape of 1b. Complete the sentences. 1. By the time I got up, my brother _ already _ in the shower.2. By the

6、 time I got outside, the bus _ already _.3. When I got to school, I realized I _ _ my backpack at home.2. 過去完成時用法： (1) 構(gòu)成：由“助動詞had (用于各種人稱和數(shù)) + 過去分詞”構(gòu)成 否定式：had not + 過去分詞 縮寫形式：hadnt (2) 用法：過去完成時表示在過去某一時間或動作之前已經(jīng)發(fā)生或完成了的動作。(3) 它所表示動作發(fā)生的時間是“過去的過去”。 表示過去某一時間可用by, before 等構(gòu)成的短語來表示。 也可以用when, before 等引導(dǎo)的時間

7、狀語從句來表示。 還可以通過狀語從句或通過上下文暗示。例如：When I got there, you had already eaten your meal. 當我到達那里時，你已經(jīng)開始吃了。By the time he got here, the bus had left. 在他到達那里之前，汽車已經(jīng)離開了。Listening Listen to the tape for the first time and finish 2a. Listen to Mary continue her story. Number the pictures 1-4 in the correct order.

8、 Listen to the tape for the second time and finish 2b. Fill in the blanks with the correct forms of the verbs in brackets. Then listen again and check your answers.1. When I _ (get) home, I realized I _ (leave) my keys in the backpack.2. By the time I _ (get) back to school, the bell _ (ring).3. By

9、the time I _ (walk) into class, the teacher _ (start) teaching already.3. Retell the story.通過聽力訓(xùn)練，進一步熟悉練習(xí)過去完成時的構(gòu)成和用法。Practice1. Finish 2c. Make up an ending for the story and share it with your partner. The teacher looked at Mary and asked her if she had finished the homework. Mary told her the unex

10、pected things she met with this morning but they sound like excuses to the teacher. Therefore, Mary was asked to finish the homework in the class. What an unforgettable day it is for Mary!2. Ask several students to tell their stories in class. 展示點撥 溫馨提示：try構(gòu)成的詞組：try out 參加-的選拔，試用 try on試穿try ones be

11、st to do sth 盡力做某事 try doing sth 2. air pollution空氣污染pollution 是名詞，污染，其動詞形式為pullute, be polluted意為“被污染” used to be so clean!它過去是那么干凈！ used to 意為“過去常?！保蠼觿釉~原形 如：他過去住在巴黎。 He used to live in Paris.溫馨提示：used to do ,be used to do 與be used to doing 的區(qū)別 be used to do意為“被用來做-”，be used to doing意為“習(xí)慣于做- 4. Ev

12、eryone in this town should play a part in cleaning it up!鎮(zhèn)上的每個人都應(yīng)該參與清理它。 play a part in 意為“參與某事，在-方面起作用”，與play a role in 同義，后接名詞、代詞或動名詞。 如：Education can play a part in it. 教育可以在其中起到作用。5.There are other advantages of bike riding.騎自行車還有一些優(yōu)點。 advantage 名詞，意為“優(yōu)點，有利條件”，其反義詞為disadvantage 缺點，不利條件 6. Its go

13、od for health and it doesnt cost anything!它對健康有益且不花費任何東西。 cost 動詞，意為“花費”，指花費金錢，其過去式和過去分詞分別是cost,cost溫馨提示：cost與spend, pay,take 的區(qū)別 cost指花費金錢，在句子的主語是物；spend既可指花費金錢，也可指花費時間，句子的主語時人，構(gòu)成的詞組是sb spend some time /some money on sth, sb spend some time /some money （in）doing sth; pay 指花費金錢，句子的主語是人，構(gòu)成的詞組是pay for

14、; take指花費時間，通常用于It takes sb some time to do sth這一句型。 3. So together, our actions can make a difference and lead to a better future! make a difference (to) 表示(對)產(chǎn)生影響或作用強化梳理 and key words. sentences. 過去完成時的用法。檢測反饋用方框內(nèi)短語的適當形式填空。by the time, wake up, rush outby the time, wake up, rush out1. Tom _, running after his brother in the dark night yesterday.2. _ I was 10, I had been able to either play piano or violin. 3. _, Sammy! I have been late for you to go to school. 根據(jù)句意和漢語提示，填寫單詞。1. There will be an _ (意外的) surprise.2. The children _ (沖，奔) out the sc