1、Unit 6,Unit 6 When was it invented?,By Wang Yang,Section A Grammar Focus4c,Whats the most popular drink in the world?( after water),Tea was first drunk about5, 000 years ago.,boiling drinking water,tea leaves,tea set,Retell the story,考考你,When was tea first drunk?,Who was tea invented by?,Shen Nong,I
2、t was invented by a Chinese ruler called Shen Nong,Retell the story,How was it invented?,boiling water over an open fire,produced a nice smell,tasted the brown water tea,It was invented by accident.,fell into and remained,1. 有道理 _ 2. 即使_ 3. 偶然；意外地 _ 4. 发生 _ 5. 毫无疑问；的确 _ 6. 跌落;掉入 _ 7.人们说/相信_,Revision
3、,一、按要求写出下列词汇或词组,take place,even though/if,have a point,without doubt,fall into,by accident,It is said/believed that,根据课本内容，完成下列句子。,1. 拉链是什么时候被发明的？_ _ the zipper _? 2. 它于1893年被发明。It _ _ in 1893.,Grammar Focus,was invented,When was invented,3. 它是由谁发明的？ _ _ it invented _? 4. 它是由惠特科姆贾得森发明的。It _ _ _ Whit
4、comb Judson. 5. 茶叶什么时候被带到韩国去的？_ _ tea _ to Korea? 6. 是在六到七世纪之间被带到韩国。It _ _ to Korea _the 6th and 7th centuries.,was invented by,When was brought,was brought during,Who was by,7. 热冰淇淋勺用来做什么？What _ the hot ice-cream scoop_ _? 8. 它用来舀很冷的冰淇淋。Its _ _ _ really cold ice-cream.,used for serving,is used for,
5、Grammar Focus,火眼金睛,Grammar,英语动词有两种语态：主动语态（Active Voice)和被动语态(Passive Voice)。主动语态表示主语是动作的执行者，而被动语态则表示主语是动作的承受者。e.g. We cleaned the classroom yesterday. (主动语态，主语we是clean这一动作的执行者)English is spoken by many people. (被动语态，主语English是动作speak的承受者。,二、被动语态的构成助动词be+及物动词的过去分词构成。助动词be有人称、数、和时态的变化。,一、语态,三、被动语态的用法：
6、 1. 不知道谁是动作的执行者，或没有必要指出谁是动作的执行者。e.g. This kind of car is made in America. 这款小汽车产自美国。 2. 需要突出或强调动作的承受者。e.g. This dictionary is used by most students. 这本字典是大多数学生在用的。,四.主动语态变被动语态的步骤.,Bell invented the telephone in 1876. The telephone was invented Bell in 1876.,主动语态变被动语态的结构图:,2.be+谓语动词的 过去分词,1.主语,2.谓语动词
7、 过去式,3.宾语,时间状语,3.主语,3.宾语,时间状语,by,主动语态变被动语态的步骤： 1、主动语态的宾语变为被动语态的主语； 2、主动句的谓语动词变为被动式结构，即：be+及物动词的过去分词 3、主动句的主语变为被动句中by的宾语，当不强调动作的执行者时，常省略。 4. 其它成分不变。,Summary,五、一般过去时被动语态的几种句型结构： 肯定句主语+be( was, were)+及物动词的过去分词+(by)A cake was eaten by a mouse last night. 否定句 主语+ be+ not+及物动词的过去分词+(by)A cake wasnt eaten
8、by a mouse last night. 一般疑问句 Be+主语+及物动词的过去分词+(by)Was a cake eaten by a mouse last night? 特殊疑问句 疑问词+be+主语+及物动词的过去分词+(by)When was a cake eaten by a mouse?,4a,Practice,Rewrite the sentences using the passive voice.,点拨：原句为一般过去时态，原句的谓语动词为sold，宾语为the fridge；改为被动语态时，应将the fridge作主语，谓语动词用was sold的形式。,1. The
9、y sold the fridge at a low price._,The fridge was sold at a low price.,n.电冰箱,adj. 低的；矮的,1,2,3,点拨：分析原句的句子结构可知，stole是谓语动 词，my camera是句子的宾语；改为被动语态句时，应将my camera作句子主语，谓语动词用was stolen的形式。,2. Somebody stole my camera from my hotel room. _,My camera was stolen from my hotel room by somebody.,pron.某人 n.重要人物
10、,1,2,3,3. Where did you take these photos? _,Where were these photos taken (by you)?,点拨：分析原句的句子结构可知，take是谓语动 词，these photos是句子的宾语；改为被动语态句时，应将these photos作句子主语，谓语动词用were taken的形式。但要注意，主被动时态和句型一致的原则。,1,2,3,4. Our parents advised us not to go out alone._,We were advised not to go out alone by our paren
11、ts.,点拨：原句为一般过去时态，原句的谓语动词为advised，宾语为us；改为被动语态时，应将us(宾格）变为We(主格）作主语，谓语动词用were advised的形式。,advise sb. (not) to do sth.,1,2,3,5. Different writers translated the book into different languages. _,The book was translated into different languages by different writers.,v. 翻译,translateinto,点拨：原句为一般过去时态，原句的谓
12、语动词为translated，宾语为the book；改为被动语态时，应将the book作主语，谓语动词用was translated的形式。,1,2,3,1. You _ to the party last night, werent you? Why didnt you go? 2. The earthquake happened all of a sudden, but luckily the villagers _ to a safe place.,were invited,eat, like, invite, tell, lock, ring, break, bring,were
13、brought,4b,Complete the sentences with correct forms of the verbs in the box.,句子主语you与invite之间存在被动关系。,villagers与bring之间存在被动关系,n.地震,adj. 突然（的）,be brought to sp.,luck-lucky-luckily,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
14、 she started eating a biscuit in science class. 5. The cookies _ by the hungry kids in less than 20 minutes, and they really _ them.,was locked,rang,broke,were told,were eaten,liked,the door与lock之间为被动关系；而we与ring之间则为主动关系；其他各题相同。,n. 饼干,n.曲奇饼,v.锁上，锁住；n.锁；,The telephone _ (invent) by Alexander Graham Be
15、ll. He _ (born) in 1847. Mr. Bell _ (work) on the invention of the telephone with Thomas Watson.,was born,was invented,worked,Decide whether active or passive forms should be used in these sentence. Write the correct forms in the blanks.,4c,the telephone与invent之间存在被动关系；Mr. Bell与work之间是主动关系。,In 1875,
16、 Mr. Bell _ (learn) how to send musical notes through 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. Watson, come here; I want to see you.” Today the telephone _ (use) around the world.,learned,wa
17、s invented,was said,is used,Mr. Bell与learn之间为主动关系。,adj.音乐的,n.器械；工具,Homework,1. Did Lily buy her sister a hat last week? 2. We often hear him play the violin at home. 3. The lazy boy didnt wash clothes yesterday. 4. Students listen to the beautiful music carefully. 5.When did your father took you to the park? 6.They have already finished homework. 7.He is watching the basketball match.,请把下列主动句变为被动句。,Thank you!,
