2014九年级Unit-6_when_was_it_invented课件Section_A_4a-4c

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1、Unit 6When was it invented?Review vWhen was invented ?vIt was invented invWhat is it used for ?vIt is used forfridge /frid/ n. 冰箱冰箱vI think a fridge is the most useful invention in modern world. translate /trnsleit/ v. 翻译翻译vShe is translating the words intovEnglish.vShe is a good translator.lock /lk

2、/, /la:k/ v. 锁上；锁住锁上；锁住vHe is locking the car.vThese locks are strong.earthquake / :(r)kweik/n. 地震地震vDont be afraid of the earthquake.biscuit /biskit/ n. 饼干饼干vDont eat too much biscuit, it isnt good for your health.cookie/kuki/ n. 曲奇饼干曲奇饼干vDont eat so much cookie, because it is too sweet.instrument

3、/instrumnt/ n. 器械；器械； 仪器；工具仪器；工具vThere are many kinds of instruments in our school.New wordsvfridge /frid/ vn. 冰箱冰箱vtranslate /trnsleit/ vv. 翻译翻译vlock /lk/, /la:k/ vv. 锁上；锁住锁上；锁住 vearthquake / :(r)kweik/vn. 地震地震vsudden /sdn/ vadj. 突然（的）突然（的）vall of a sudden v突然突然; 猛地猛地 vbiscuit /biskit/ vn. 饼干饼干 vco

4、okie/kuki/ vn. 曲奇饼干曲奇饼干 vinstrument /instrumnt/ vn. 器械；器械； 仪器；工具仪器；工具根据汉语提示完成单词。根据汉语提示完成单词。 1. The boy lost his parents during the last years (地地震震).v2. The students were asked vto (翻译翻译) the story into English.v3. The police found the lost boy under the destroyed house through an (仪器仪器)。earthquaket

5、ranslateinstrumentv4. I only have some (饼干饼干) and a glass of milk every morning.v5. If you cant eat all these fruit , you may put some into your (冰箱冰箱). biscuits fridge The passive voice 被动语态被动语态 语态是表示主语与谓语的关系的。如果语态是表示主语与谓语的关系的。如果主语是动作的执行者，动词要用主动语态；主语是动作的执行者，动词要用主动语态；反之，如果主语是动作的承受者，动词就反之，如果主语是动作的承受者

6、，动词就要使用被动语态。要使用被动语态。 被动语态谓语部分结构为助动词被动语态谓语部分结构为助动词be + 过去分词过去分词。 一般过去时态的被动一般过去时态的被动形式形式注意：注意：这里这里 be 的形式决定了被动语态的的形式决定了被动语态的时态，其后的过去分词没有变化。时态，其后的过去分词没有变化。肯定句肯定句 主语主语 + waswere + 过去分词过去分词 + (by )否定句否定句 主语主语+ waswere not +过去分词过去分词 +(by )一般疑问句一般疑问句 waswere +主语主语+过去分词过去分词 + (by )?特殊疑问句特殊疑问句 疑问词疑问词 + waswe

7、re +主语主语 + 过去分词过去分词 + (by )?时态时态肯定形式肯定形式 否定形式否定形式疑问形式疑问形式一般一般过去过去时时S +was/were+doneS +was/were+not + doneWas /Were+S + done?Maria bought the book last year. (主动句主动句)The book was bought by Maria last year. When was the book bought by Maria?What was bought by Maria last year?被动句：被动句：让我们看一看各种句型的主动语态变为被

8、让我们看一看各种句型的主动语态变为被动语态时，到底发生了什么变化？动语态时，到底发生了什么变化？1. I feel very happy that I _ to be the host. Congratulations! (07 江西江西) A. choose B. am chosen C. was chosen D. haven chosen 2. Today Chinese _ by more and more people around the world. (07北京北京) A. was spoken B. is spoken C. spoke D. speak 3(课改实验区考生做课

9、改实验区考生做) (07重庆重庆) Your hometown has changed a lot Yes. Take a look at these tall buildings. They _ last year A. build Bbuilt C. was built Dwere built (非课改实验区考生做非课改实验区考生做) Why is the classroom so dirty? Sorry, sir. It _ yesterday We forgot to do it A. dont clean B. didnt clean C. werent cleaned D. wa

10、snt cleaned再次阅读翻译语法句子vWhen was the zipper invented?vWho was it invented by?vWhen was tea brought to Korea? What is the hot ice-cream scoop used for?vIt was invented in 1893.vIt was invented by Whitcomb Judson. It was brought to Korea during the 6th and 7th centuries.vIts used for serving really cold

11、 ice-cream. 4a Rewrite the sentences using the passive voice. v1. They sold the fridge at a low price. vThe fridge was sold at a low price. v2. Somebody stole my camera from my hotel room. v3. Where did you take these photos? My camera was stolen by somebody from my hotel room.Where were these photo

12、s taken by you ?v4. Our parents advised us not to go out alone. 5. Different writers translated the book into different languages. We were advised not to go out alone by our parents.The book was translated into different languages by different writers.4b Complete the sentences with the correct forms

13、 of the verbs in the box. v1. You to the party last night, werent you? Why didnt you go?v2. The earthquake all vof a sudden, but luckily the villagers to a safe place.were invited came were brought v3. The door when we arrived, so we the bell.v4. The students not to eat or drink in class. But vRuby

14、the rule vwhen she started eating a biscuit in science class. 5. The cookies by the hungry kids in less than 20 minutes. Then they for more!was locked rang were told broke were eatenasked 4c Decide whether active or passive forms should be used in these sentences. Write the correct forms in the blan

15、ks vThe telephone (invent) by Alexander Graham Bell. He (born) in 1847. Alexander (work) on the invention of the telephone with Thomas Watson. In 1875, Alexander (learn) to send musical notes through an instrument similar to a telephone. was invented was born worked learned learntvFinally, the telep

16、honev(invent) in 1876. The first sentence that (say)von the telephone by Alexander was “Mr. Watson, come here; I want to see you.” Today the telephone (use) around the world.was invented was said is used Summaries v1. at a low price 以一个很低的价格以一个很低的价格 v2. take these photos 拍这些照片拍这些照片 v3. go out alone

17、单独外出单独外出 v4. translate the book into different language v 把书翻译成不同种类的语言把书翻译成不同种类的语言v5. all of sudden突然突然 v6. work on 从事，进行从事，进行用所给词的适当形式填空。用所给词的适当形式填空。v1. This instrument is used for (play) music in class.v2. How many magazines (borrow) from the library today?v3. Edison was a great inventor. He had over 1.000 in his life. (invent). v4.A picture (put) on the blackboard before class.v5. Plates and dishes (not wash) after supper yesterday.playingwere borrowedinventionswas putwerent washed