Unit 6 Section A Grammar Focus-4c课件2024—2025学年人教版英语九年级全册

Unit6 When was it invented? Section A (GF —4c) What’s 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 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…   Tom breaks the window.     （主动语态） ①      ②            ③ The window is broken by Tom. （被动语态） ③                 ②                 ① 英语的谓语动词有两种语态 主动语态 被动语态 （前者表示句子的主语为动作的发出者，后者表示句子的主语为动作的承受者。） 从以上对比可以看出，主动句中的主语Tom 在被动句中变成了短语by Tom，主动句中的宾语 the window变成了被动句中的主语。 口诀：主变宾，宾变主，by短语后面跟， 谓语动词变被动， be 后过分来使用。 构成 助动词 be + 及物动词的过去分词 be + vt. p. p. Many people English speak English. is spoken by many people. 当我们不知道谁是动作的执行者，或者没有必要指出谁是动作的执行者时，或者只需强调动作的承受者时，要用被动语态。 何时使用被动语态？ 被动语态：主语是动作的承受者. 一般现在时： am／is／are + vt. p.p. 构成： be + vt. p.p. 一般过去时： was／were + vt. p.p. 情态动词： must (can/could/may)+be + vt. p.p. 构成： be + vt. p.p. shall /will be be going to be 一般将来时： + vt.p.p. 现在进行时： be (am/is/are) +being + vt.p.p. must plant The tree The ground be covered with must be planted on the ground. will be covered with in a few years’ time. trees dig The earth The food eat up is being dug now. has been eaten up already. Oral practice-主动句改被动句 Oral practice--1. Change each sentence into passive voice: A car knocked him down yesterday. Two doctors and ten nurses make up the medical team． When I got there, they were cutting up a fallen tree． He was knocked down by a car yesterday． The medical team is made up of by two…． A fallen tree was being cut up, when I got there. 4)We’ll put on the play next Sunday． 5)Workers are building a new teaching building in our school． 6)They had completed the railway by the end of last year． The play will be put on next Sunday． A new teaching building is being built by workers in our school． The railway had been completed by the end of last year． 2. Somebody stole my camera from my hotel room. My camera was stolen (by somebody) from my hotel room. 3. Where did you take these photos? Where were the photos taken (by you)? 4a Rewrite the sentences using the passive voice. 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 alone (by our parents) . The book was translated into different languages (by different writers). 1. You ____________ to the party last night, weren’t you? Why didn’t 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 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 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 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. 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 see 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 Exercise Ⅰ. 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 water in Tai Lake smelt terrible? --- Yes. In fact, it _______.That's 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 world. 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 $$