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1、九年級新目標九年級新目標Unit 9When was it invented?Section A(1a-2c)gun powderpapermaking 指南針指南針造紙術造紙術火火 藥藥印刷術印刷術compassprinting Which do you think is the most important invention in the world? What other inventions can you think of? TV? telephone? radio?computer? calculator? car?telephoneB: It was invented in 1

2、876.A: When was the telephone invented?A: Who was the telephone invented by?B: It was invented by Alexander Bell.A: What is it used for?B: It is used for talking on the phone.in 1876computerA: When was the computer invented?B: It was invented in 1976.A: What is it used for?B: It is used for chatting

3、 online/studying/in 1976televisionA: When was the television invented?in 1927B: It was invented in 1927.A: What is it used for?B: It is used for watching exciting matches.calculatorA: When was the calculator invented?in 1971B: It was invented in 1927.A: What is it used for?B: It is used for calculat

4、ing.car A: When was the car invented?in 1885B: It was invented in 1885.A: Who was the car invented by?B: It was invented by Karl Benz.A: What is it used for?B: It is used for going for a drive/.18761885192719711976-When was invented?-It was invented in -Who was invented by?-It was invented by invent

5、ions inventorspapermaking - Tsai Lun plane - Wright brothers light bulb - Edisoncar - Karl Benztelephone - Bell-What is/are used for?-It/They is/are used for cups-drinking teastamps-sending lettersknife-cutting things_shoes with adjustable heelsIts used for scooping really cold ice cream.Right. It w

6、as invented by Chelsea Lanmon._battery-operated slippers_heated ice cream scoop2a Listen and number the inventions in the order.312可調整鞋跟可調整鞋跟的鞋子的鞋子電池供電的電池供電的拖鞋拖鞋加熱的冰淇加熱的冰淇淋勺淋勺2b Listen again and match the inventions with their inventors and uses.InventionWho was it/were they invented byWhat is it/ar

7、e they used for?shoes with adjustable heelsChelsea Lanmonscooping really cold ice creambattery-operated sneakersJayce Coziar and Jamie Ellsworthseeking in the darkheated ice cream scoopJulie Thompsonchanging the style of the shoes一、動詞的語態(tài)一、動詞的語態(tài)英語中動詞有主動語態(tài)和被動語態(tài)兩種語態(tài)。英語中動詞有主動語態(tài)和被動語態(tài)兩種語態(tài)。 主動語態(tài)表示主語是動作的執(zhí)行者

8、，被動語態(tài)主動語態(tài)表示主語是動作的執(zhí)行者，被動語態(tài)表示主語是動作的承受者，也就是動作的對象表示主語是動作的承受者，也就是動作的對象，在被動語態(tài)中動作的執(zhí)行者有時用，在被動語態(tài)中動作的執(zhí)行者有時用byby短語表短語表示出來。示出來。二、被動語態(tài)的構成二、被動語態(tài)的構成助動詞助動詞be+be+及物動詞的過去分詞及物動詞的過去分詞一般現(xiàn)在時一般現(xiàn)在時 am(is/are)+doneam(is/are)+done一般過去時一般過去時 was(were)+donewas(were)+done三、被動語態(tài)的用法三、被動語態(tài)的用法1.1.表示不知道或沒有必要指出動作的執(zhí)行者。表示不知道或沒有必要指出動作的執(zhí)

9、行者。eg. Paper was first invented in China.2.2.表示需要突出或強調動作的承受者。表示需要突出或強調動作的承受者。eg. His work was stopped for a time by the First World War.3.3.動作執(zhí)行者不是人而是無生命的事物時常用被動語態(tài)。動作執(zhí)行者不是人而是無生命的事物時常用被動語態(tài)。eg. The window was broken by a stone.4.4.有時出于禮貌，不便提到動作的執(zhí)行者，也用被動語態(tài)。有時出于禮貌，不便提到動作的執(zhí)行者，也用被動語態(tài)。eg. I have been told

10、many times not to make noises.Bell invented the telephone in 1876. The telephone was invented by Bell in 1876. 主語主語謂語謂語賓語賓語時間狀語時間狀語主語主語謂語謂語賓語賓語時間狀語時間狀語四、主動語態(tài)變?yōu)楸粍诱Z態(tài)的步驟四、主動語態(tài)變?yōu)楸粍诱Z態(tài)的步驟:(1)主動語態(tài)的主動語態(tài)的賓語賓語變成被動語態(tài)的變成被動語態(tài)的主語主語。(2)主動語態(tài)的謂語動詞變?yōu)楸粍诱Z態(tài)的謂語詞，主動語態(tài)的謂語動詞變?yōu)楸粍诱Z態(tài)的謂語詞， 即即“be+及物動詞的過去分詞及物動詞的過去分詞”(be有時態(tài)、人稱有時態(tài)、

11、人稱 和數(shù)的變化和數(shù)的變化)。(3)主動語態(tài)的主語變?yōu)橹鲃诱Z態(tài)的主語變?yōu)閎y的賓語。的賓語。Change the following sentences into passive voice.1.Edison invented the light bulb .The light bulb _ _ _ Edison. 2.All the students like their teacher.Their teacher _ _ by all the students.3.American speak English.English _ _ _ American.4.We visited this farm last year._5.I saw him enter the room.He _ _ _ _ the room.was inventedbyislikedisspoken byThis farm was visited by us last year.was seento enter