二0二三年度九年級上冊Unit6 When was it inventedGrammar被動語態(tài)

1、 Grammar: 被動語態(tài)一、教學(xué)目標(biāo)： 1. 語言知識目標(biāo)：1) 學(xué)習(xí)掌握下列詞匯：fridge, low, somebody, translate, lock, earthquake, sudden, all of a sudden, biscuit, cookie, instrument 2）進行一步復(fù)習(xí)鞏固學(xué)習(xí)Section A 部分所學(xué)的生詞和詞組。3）進一步學(xué)習(xí)運用一般過去時態(tài)的被動語態(tài)。4) 掌握主動語態(tài)變被動語態(tài)的方法，并通過不同方式的練習(xí)，來熟練運用。2. 情感態(tài)度價值觀目標(biāo)：培養(yǎng)想象力，善于觀察事物。面對難題，用積極的態(tài)度去解決，發(fā)揮想象力，認(rèn)識世界，改造世界。二、教學(xué)重

2、難點 1. 教學(xué)重點：1) 學(xué)習(xí)生詞fridge, low, somebody, translate, lock, earthquake, sudden, all of a sudden, biscuit, cookie, instrument2) 復(fù)習(xí)鞏固Section A 部分所學(xué)的生詞和詞組，達到熟練運用的目標(biāo)。2. 教學(xué)難點： 1) 一般過去時態(tài)的句子變?yōu)楸粍诱Z態(tài)。2) 綜合運用所學(xué)的知識進行練習(xí)運用。三、教學(xué)過程. Warming- up and revision 1. Have a dictation of the new words learned in the last cla

3、ss. 2. Review some main phrases we learned in the last class. Check the homework. 3. Let some Ss tell something about how tea was invented by accident. Tell something about how tea was invented by accident.One day Shen Nong was boiling drinking water over an open fire. Some leaves from a tea plant f

4、ell into the water and remained there for some time. It produced a nice smell so he tasted the brown water. It was quite delicious and one of the worlds favorite drink was invented.Tell something about Lu Yu and his Cha Jing.Lu Yu “the saint of tea” mentioned Shen Nong in his book Cha Jing. The book

5、 describes how tea plants were grown and used to make tea. It also discusses where the finest tea leaves were produced and what kinds of water were used. It is believed that tea was brought to Korea and Japan during 6th and 7th centuries. In England, tea didnt appear until around 1660. The tea trade

6、 from China to Western countries took place in the 19th century. Grammar Focus. 1. 學(xué)生閱讀Grammar Focus中的句子，然后做填空練習(xí)。 拉鏈?zhǔn)鞘裁磿r候被發(fā)明的？ _ _ the zipper _? 它于1893年被發(fā)明。 It _ _ in 1893. 它是由誰發(fā)明的？ _ _ it invented _? 它是由惠特科姆賈得森發(fā)明的。 It _ _ _ Whitcomb Judson. 茶葉什么時候被帶到朝鮮去的？ _ _tea _ to Korea? 茶葉在六到七世紀(jì)之間被帶到朝鮮。 It _ _

7、to Korea _the 6th and 7th centuries. 熱冰淇淋勺用來做什么？ What _ the hot ice-cream _ _? 它用于挖很冷的冰淇淋。 Its _ _ _ really cold ice-cream. 電話機在1876年被貝爾所發(fā)明。 The telephone _ _ _ Alexander Graham Bell in 1876. 貝爾于1876年發(fā)明了電話機。 Alexander Graham Bell _ the telephone in 1876. 2. 學(xué)生們根據(jù)記憶，看大屏幕來完成填空練習(xí)。3. 學(xué)生們完成填空試題后，可以打開課本檢查

8、答案，對錯誤的句子，單獨進行強化記憶。. Grammar一般過去時態(tài)的被動語態(tài)的構(gòu)成 英語有兩種語態(tài)：主動語態(tài)和被動語態(tài)。主動語態(tài)表示主語是動作的執(zhí)行者，而被動語態(tài)則表示主語是動作的承受者。如：We cleaned the classroom yesterday. 我們昨天打掃了教室。(主動語態(tài)，主語we是clean這一動作的執(zhí)行者)The classroom was cleaned yesterday. 教室昨天被打掃。(被動語態(tài)，主語the classroom是clean這一動作的承受者)一、一般過去時被動語態(tài)一般過去時被動語態(tài)的結(jié)構(gòu)為“主語+ was /were +及物動詞的過去分詞 (

9、+by+動作的執(zhí)行者).”。如： Trees were planted last spring.去年春天種了樹。1. 肯定句： 主語 + was/were +及物動詞的過去分詞 + 其他. Paper was invented by Chinese people two thousand years ago. 紙是中國人在二千多年前發(fā)明的。 2. 否定句： 主語 + was/were not +及物動詞的過去分詞 + 其他. Women were not allowed to take part in the games at first. 開始婦女不允許參加奧運會。 3. 一般疑問句： Wa

10、s/Were +主語 +及物動詞的過去分詞 + 其他? Were these pictures drawn by your sister? 這些圖片是由你妹妹畫的嗎？ 二、被動語態(tài)的用法：1. 不知道誰是動作的執(zhí)行者，或沒有必要指出誰是動作的執(zhí)行者。 . English is spoken all over the world. 全世界都在說英語。2. 需要突出或強調(diào)動作的承受者。 . This dictionary is used by most students. 這本字典是大多數(shù)學(xué)生在用的。三、主動語態(tài)變被動語態(tài)應(yīng)注意的問題1. 有些短語動詞相當(dāng)于及物動詞，變?yōu)楸粍泳鋾r介詞或副詞不能去掉

11、。 They put off the meeting because of the weather. The meeting was put off because of the weather. 會議因天氣的緣故被推遲了。 2. 含有雙賓語的主動句變?yōu)楸粍泳鋾r，通常把指“人”的間接賓語變?yōu)橹髡Z，指“物”的直接賓語保留不變；如果把指物”的直接賓語變?yōu)橹髡Z，則在間接賓語前加to或for。 My aunt gave me an e-dictionary yesterday. I was given an e-dictionary yesterday. An e-dictionary was giv

12、en to me yesterday. 3. 主動句中感官動詞see/hear/watch/feel等和使役動詞make/let/have等后跟省略to的動詞不定式，變?yōu)楸粍诱Z態(tài)時應(yīng)加上不定式符號to。I saw a heavy man enter the house. A heavy man was seen to enter the house. 4. 系動詞、不及物動詞或某些短語動詞（happen, take place, come true, fall asleep）沒有被動語態(tài)。 What happened to Mr. Brown? 布朗先生發(fā)生了什么事？ . Exercises練

13、一練 將下列句子變?yōu)楸粍诱Z態(tài)。 1. He chose six story books the other day. Six story books _ _ by him the other day. 2. Uncle Lee gave Jack a large cake for he painted the wall wonderfully. Jack _ _ a large cake for he painted the wall wonderfully. 3. A mouse ate half of the cake last night. Half of the _ _ by a mo

14、use last night. 將下列句子變?yōu)橹鲃诱Z態(tài)。 4. Were these machines invented by Edison? _ Edison _ these machines? 5. The post card was sent to Linda by Paul. Paul _ the post card _ Linda. 6. America was discovered by Columbus. _ Columbus discovered _? . PracticeWork on 4a: 1. Tell Ss to read the sentences in 4a an

15、d rewrite the sentences using the passive voice. 2. 做題方法點撥示例： 點撥：原句為一般過去時態(tài)，原句的謂語動詞為sold，賓語為the fridge；改為被動語態(tài)時，應(yīng)將the fridge作主語，謂語動詞用was sold的形式。 They sold the fridge at a low price. The fridge was sold at a low price. 點撥：分析原句的句子結(jié)構(gòu)可知，stole是謂語動詞，my camera是句子的賓語；改為被動語態(tài)句時，應(yīng)將my camera作句子主語，謂語動詞用was stolen的形式。 Somebody stole my camera from my hotel room. My camera was stolen from my hotel room. 學(xué)生們自主將其他三個句子變成被動語態(tài)。 3. 最后，教師與同學(xué)們一起校對答案，并對