Unit 6 Section A（Grammar focus-4c）课件人教版英语九年级全册.pptx

《Unit 6 Section A（Grammar focus-4c）课件人教版英语九年级全册.pptx》由会员分享，可在线阅读，更多相关《Unit 6 Section A（Grammar focus-4c）课件人教版英语九年级全册.pptx（26页珍藏版）》请在淘文阁 - 分享文档赚钱的网站上搜索。

1、Unit 6When was it invented?,Section A Grammar Focus4c,Whats the most popular drink in the world?( after water),Tea was first drunk about 5, 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,It was invented by a

2、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,Lu Yu “the saint of tea” mentioned Shen Nong in his book Cha Jing. The book describes how tea plan

3、ts were grown and used to make tea. It also discusses where the finest tea leaves were produced and what kinds of water were used.,Tell something about Lu Yu and his Cha Jing.,It is believed that tea was brought to Korea and Japan during 6th and 7th centuries. In England, tea didnt appear until arou

4、nd 1660. The tea trade from China to Western countries took place in the 19th century.,Tell something about how tea spread to other countries.,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

5、 invited,eat, like, invite, tell, lock, ring, break, bring,were 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 s

6、tudents _ 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 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.

7、曲奇饼,v.锁上，锁住；n.锁；,The telephone _ (invent) by Alexander Graham Bell. 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

8、.,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, 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 se

9、e you.” Today the telephone _ (use) around the world.,learned,was 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,Grammar Focus,火眼金睛,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 invente

10、d _?4. 它是由惠特科姆贾得森发明的。 It _ _ _ Whitcomb 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

11、ice-cream.,used for serving,is used for,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

12、、和时态的变化。,一、语态,三、被动语态的用法：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.b

13、e+谓语动词的过去分词,1.主语,2.谓语动词过去式,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+(b

14、y) A cake wasnt eaten 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?,I. 完成句子。1. My mother cleaned the room this morning. (改为被动语态) The room _ _ by my mother this morning.2. Was the model plane m

15、ade by your brother? (补全肯定答语) _, it _.,练一练,Yes was,was cleaned,3. The bag was stolen last week.(改为否定句) The bag _ _ last week.4. The criminal was caught yesterday. (对划线部分提问) _ _ the criminal _?,wasnt stolen,When was caught,1. In some countries , tea _ with milk and sugar. A. is serving B. is served C

16、. serves D. served 2. Great changes _ in my hometown since 1980. A. have been taken place B. took place C. have taken place D. were taken place,3. The new type of car is going to _ in three years. A. turn out B. be turned out C. has turned out D. have been turned out4. The woman murdered her friend

17、and _ to _. A. was sentenced , death B. sentencing , die C. sentenced , death D. sentenced , die,选择填空,5. Do you like the skirt ? It _ soft. A. is feeling B. felt C. feels D. is felt6. Are you still here ? You were here an hour ago . Who _ for ? A. are you waiting B. did you wait C. were you waiting

18、D. do you wait,7. I want to sit at the table near the window. Sorry , _ already. A. it took B. it takes C. it is taking D. it has been taken,Oral practice-主动句改被动句,Change each sentence into passive voice:A car knocked him down yesterday.Two doctors and ten nurses make up the medical teamWhen I got there, they were cutting up a fallen tree,He was knocked down by a car yesterdayThe medical team is made up of by twoA fallen tree was being cut up, when I got there.,7)We should protect the earth8)You need to paint the wall,The earth should be protectedThe wall needs to be painted,Thank you!,