仁愛版英語九年級上冊unit4topic1whenwasitinventedsectiond(存儲版)
【正文】 . What kind of passive voice did we learn first? T: Could you tell me how to use it? T: Superb! What was the second? T: How about the structure? Step3: Write down some Chinese sentences on the Bb or on the screen. Let the Ss put the sentences into English alone and then check the answers in groups. Let the group leaders collect all the mistakes. T: Now, look at these sentences and put them into English alone. Check the answers in groups. The group leaders should collect the mistakes in your group. When you Japan. S4:… Sum up the usage of passive voice. Ss: 一般現(xiàn)在時態(tài)的被動語態(tài)。 Ⅱ . Teaching aims 1. Knowledge aims： 掌握本課的重點詞匯和短語，歸納總結一般過去時的被動語態(tài) 。主活動是 1a 和 Project。 能夠在聽、說、讀、寫活動中正確地運用被動語態(tài)。 了。 S3:… 2 Prereading (3mins) Class activity Step1: Present a pass. Ask and answer questions. Move to 1a. T: What is it? T: Yes. It’s a pass. When was it invented, do you know? T: Who invented it? Answer questions. Ss:指南針。 對于本課的定語從句，不要重點講，讓學生知道這種語法現(xiàn) into “and the invention”. T: Have you found any useful expressions? marks, as long as S6: at any time, in any place, in any weather, find out 象就行了。 Ss:人造的。 光機被用來診斷疾病。 Ⅴ . Teaching aids 指南針 /小黑板 /ppt 等。讓學生用英語來介紹自己的發(fā)明，無疑會鞏固本話題的語言知識并進一步培養(yǎng)和提高學生“用英語做 事情”的能力。 1a 通過介紹古今人們如何定位來繼續(xù)學習一般過去時的被動語態(tài)，同時讓學生初步接觸并理解現(xiàn)在完成時的被動語態(tài)和含情態(tài)動詞的被動語態(tài)。 Ⅲ . The key points and difficult points 1. Key points: Words and phrases: mark, explorer, system, manmade, find out, as long as, be used to do sth. Sentences: This method worked well at night as long as the weather was good and the stars could be seen. Today, the problem has been solved by the Global Positioning System. It can also be used to study the shape of the earth. Grammar: was/were +pp 2. Difficult points： The GPS is a great invention that helps us explore our pla and discover where we are. Ⅳ . Learning stra
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