人教版九年级上册英语《Unit 6 Section A Grammar Focus-4c 》PPT课件

1、 uTo understand and use the passive voice(past tense) be + v (ed). uTo talk about when inventations were invented and where they were invented. uIf you like, you can practice more. 被动语态 (Passive Voice) 结构结构: be + V-p.p. am / are / is +动词的过去分词动词的过去分词 was / were +动词的过去分词动词的过去分词 一般现在时的被动语态一般现在时的被动语态: 一

2、般过去时的被动语态一般过去时的被动语态: Many people speak English. (主动语态主动语态) English is spoken by many people. The naughty boy broke the window yesterday. (主动语态主动语态) The window was broken ( by the naughty boy) yesterday. We bought some books. 主动句与被动句之间的转换 Some books were bought ( by us ) 主语主语 谓语动词主动语态的过去式谓语动词主动语态的过去式

3、 宾语宾语 主语主语 谓语动词被动语态的过去分词谓语动词被动语态的过去分词 介词介词+ 宾语宾语 主动句变为被动句所遵循的主动句变为被动句所遵循的4个步骤：个步骤： 1. 把原主动句中的宾语变为被动句的主语。把原主动句中的宾语变为被动句的主语。 2. 把动词变为被动形式即把动词变为被动形式即be+过去分词过去分词，并注意其，并注意其 人称和数随主语的变化，而动词的时态则保持不变。人称和数随主语的变化，而动词的时态则保持不变。 3. 原主动句的主语如需要则放在原主动句的主语如需要则放在by后面以它的宾格后面以它的宾格 形式出现（注代词的宾格），如不需要则可省略。形式出现（注代词的宾格），如不需要

4、则可省略。 4. 其它的成分（定语、状语）不变。其它的成分（定语、状语）不变。 过去式被动语态的几种句型过去式被动语态的几种句型 肯定句肯定句 主语主语 + be + 过去分词过去分词 + (by) A sweet song was sung by her on the stage. 2 否定句否定句 主语主语 + be + not +过去分词过去分词 + (by) 一般疑问句一般疑问句 Be + 主语主语 +过去分词过去分词 + (by)? A sweet song wasnt sung by her on the stage. Was a sweet song sung by her on

5、 the stage? 特殊疑问句特殊疑问句 疑问词疑问词 + be + 主语主语 +过去分词过去分词 + (by)? Where was a sweet song sung by her? Grammar Focus When was the zipper invented?It was invented in 1893. Who was it invented by?It was invented by Whitcomb Judson. When was tea brought to Korea? It was brought to Korea during the 6th and 7th

6、 centuries. What is the hot ice-cream scoop used for? Its used for serving really cold ice- cream. Active Voice : Alexander Graham Bell invented the telephone in 1876. Passive Voice: The telephone was invented (by Alexander Graham Bell) in 1876. 1.When was the zipper invented? C. It was invented in

7、1893. 2.Who was it invented by? D. It was invented by Whitcomb Judson. 3. When was tea brought to Korea? A. It was brought to Korea during the 6th and 7th centuries. 4.What is the hot ice- cream scoop used for? B. Its used for serving really cold ice-cream. Match the questions with the answers. 1.1.

8、一般过去时的被动语态的句式结构一般过去时的被动语态的句式结构 肯定句主语+was/were+及物动词的过去分词（ + by） 否定句主语+was/were + not+及物动词的过去分词（+ by) 疑问句 Was/Were+主语+及物动词的过去分词（+by )? 特殊疑问词+was/were+主语+及物动词的过去分词（ +by.)? 2. 2. 一般过去时的被动语态的基本用法一般过去时的被动语态的基本用法 用用 法法示示 例例 表示过去某一具体时间发生 的动作，且句子的主语是谓 语动词动作的承受者 The house was built in 1990. 这所房子建于1990年。 讲述发生在

9、过去的动作，且 不知道动作的执行者 He was honored with the name “ Father of Hybrid Rice”. 他被授予“杂交水稻之父”的称号。 含有双宾语的主动句变为被动语态时，通常把指含有双宾语的主动句变为被动语态时，通常把指 “人人”的的 间接宾语变为主语，而指间接宾语变为主语，而指“物物”的直接宾语则不变。的直接宾语则不变。 He gave me a book yesterday. I was given a book (by him) yesterday. 如果要把指如果要把指“物物”的直接宾语变为主语，则在间接宾的直接宾语变为主语，则在间接宾 语前

10、加语前加to或或for。 3. 3. 含双宾语和复合宾语的主动句变为被动语态的方法含双宾语和复合宾语的主动句变为被动语态的方法 I brought him some food. Some food was brought to him (by me). 含有复合宾语的主动句变为被动语态时，要将其中的含有复合宾语的主动句变为被动语态时，要将其中的 宾语变成主语，宾语补足语不变。宾语变成主语，宾语补足语不变。 Jim asked Tom to go for a walk. Tom was asked (by Jim) to go for a walk. 如果宾语补足语是不带如果宾语补足语是不带to

11、的动词不定式，主动语的动词不定式，主动语 态变成被动语态时要加上不定式符号态变成被动语态时要加上不定式符号 to。 We often heard Kate sing in the room. Kate was often heard to sing in the room (by us). 4a Rewrite the sentences using the passive voice. 1. They sold the fridge at a low price. _ 2. Somebody stole my camera from my hotel room. _ 3. Where did

12、 you take these photos? _ The fridge was sold at a low price. My camera was stolen from my hotel room (by somebody). Where were these photos taken? 4. 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 al

13、one by our parents. The book was translated into different languages by different writers. 4b Complete the sentences with the correct forms of the verbs in the box. eat lock like ring invite break tell bring 1. You _ to the party last night, werent you? Why didnt you go? 2. The earthquake happened a

14、ll of a sudden, but luckily the villagers _ to a safe place. were invited were brought 3. The door _ when we arrived, so we _ the bell. 4. The students _ not to eat or drink in class. But Ruby _ the rule when she started eating a biscuit in science class. 5. The cookies _ by the hungry kids in less

15、than 20 minutes, and they really _ them. was locked rang were told broke were eaten liked 4c Decide whether active or passive forms should be used in these sentences. Write the correct forms in the blanks. The telephone _(invent) by Alexander Graham Bell. He _ (born) in 1847. Mr. Bell _ (work) on th

16、e invention of the telephone with Thomas Watson. In 1875, Mr. Bell _ (learn) how to send musical notes through was invented was bornworked learned an instrument similar to a telephone. Finally, the telephone _ (invent) in 1876. The first sentence that _ (say) on the telephone by Mr. Bell was “Mr. Wa

17、tson, come here; I want to see you.” Today the telephone _ (use) around the world. was invented was said is used When was the car invented? It was invented in 1885. Who were they invented by? They were invented by Julie Thompson. What are they used for? They are used for seeing in the dark. Read the

18、 sentences and pay attention to the underlined parts. The cake looks nice. Who made it? It was made by my aunt. Free talk How delicious the soup is! Who cooked it? It was cooked by Mom. What a beautiful card it is! Who made it? It was made by 1. all of a sudden: 突然；猛地突然；猛地 可写作可写作of a sudden, on a/th

19、e sudden 或或all on a sudden。 例句：例句： 突然，灯都灭了。突然，灯都灭了。 All of a sudden, the lights went out. 那个男孩突然开始哭起来。那个男孩突然开始哭起来。 The boy began crying all of a sudden. 2. luckily作副词，意为作副词，意为“幸运地幸运地”，也可换成，也可换成to my luck 或或 luckily for me，其后通常用逗号与句子其他成分隔开。，其后通常用逗号与句子其他成分隔开。 例句：例句： Luckily, she was at home when I cal

20、led. 幸好当我打电话时她在家。幸好当我打电话时她在家。 . 单项选择。 1. Today Chinese is becoming more and more popular. It _ in many schools around the world. A. teaches B. is teaching C. has taught D. is taught D 2. We _ to close the windows before we left the lab. A. tell B. told C. are told D. were told 3. Did you hear that w

21、ater in Tai Lake smelt terrible? Yes. In fact, it _. Thats all because of the people and the factories around. A. polluted B. was polluted C. has polluted D. will pollute D B . 用所给动词的适当形式填空。 1. The pizza was _ (make) by me. Would you like to have some? 2. The Great Wall is _ (know) all over the worl

22、d. 3. This story was _ (tell) by my grandmother last night. 4. Was a new science museum _ (build) in your hometown last year? 5. No student is _(see) in the playground. made known told built seen 6. History is _ by the people. (make) 7. He is often _ to do the work by the teacher. (ask) 8. The book

23、_ by him last year. (write) 9. The radio _ last week. (repair) made asked was written was repaired . 将下列句子变为被动语态。 1. My parents bought me a computer last week. 2. We often hear the girl sing happily in her room. The girl is often heard to sing happily (by us) in her room. A computer was bought for m

24、e by my parents last week. 3. He wrote an article last week. An article was written by him last week. 4. He saved a lot of money this summer. 5. We spend large sums of money each year in painting the steelwork of bridges. A lot of money was saved this summer. Large sums of money is spent each year in painting