初中英语人教版九年级Section A Grammar focus 4a-4c 3 课件

1、Unit6 When was it invented?(Grammar)贵州省遵义市第十一中学 周小娅invention “发明” The four great inventions of ancient Chinapapermaking technologyprintinggunpowdercompass Old inventionsThe new four great inventions of Chinaonline shoppinghigh-speed railways mobile payment shared bikes New inventions A small inventi

2、onpotato chipsWhat do you know about potato chips?Potato chips by many people.It that potato chips are more than 150 years old.Even today potato chips still by most people.They by accident in 1853. The inventor George Crum.One day, he to serve fried potatoes by a customer.When the potatoes came, the

3、 customer thought they too thick.The potatoes for a long time until they were crispy. Potato chips to be the most popular snacks.are loved s saidare enjoyed were invented was called was asked were cutwere cookedwere consideredPassive voice in the simple past tense一般过去时中的被动语态was/were doneSructure： 谓语

4、构成1.The telephone (invent) in1876.2.Yesterday the rooms (clean) by Tom .was inventedwere cleanedeat, like, invite, tell, lock, ring, break, bring4bComplete the sentences with correct forms of the verbs in the box.1. You _ to the party last night, werent you? Why didnt you go? 2. The earthquake happe

5、ned all of a sudden, but luckily the villagers _ to a safe place. 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

6、they really _ them. v. 锁上 n. 锁突然;猛地v. (使)发出钟声或铃声；打电话n. 钟声;铃声n. 饼干n. 曲奇饼were invitedwere broughtwas lockedrangbrokewere toldwere eatenlikedTom cleanedyesterday the roomsActive voicePassive voiceby Tom was cleanedThe roomsTom cleanedyesterday the roomsby Tom were cleanedThe roomsyesterday How to chang

7、e active voice into passive voive. 如何将主动语态改成被动语态 4aRewrite 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 you take these photos? _4. Our parents advised us not to go out alone. _5. Different writers transla

8、ted the book into different languages. _n. 冰箱adj. 低的;矮的pron. 某人v. 翻译The fridge was sold (by them) at a low price . My camera was stolen (by somebody)from my hotel room . Where were these photos taken (by you)? We were advised by our parents not to go out alone. The book was translated into different

9、 languages by different writers. Decide whether active or passive forms should be used in these sentence. Write the correct forms in the blanks. 4cThe telephone _ (invent) by Alexander Graham Bell. He _ (born) in 1847. Mr. Bell _ (work) on the invention of the telephone with Thomas Watson. In 1875,

10、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. adj. 音乐的;有音

11、乐天赋的n. 仪器;工具was inventedwas bornworkedlearnedwas inventedwas said is usedStudent 1: Draw a picture of the invention.Introduce the name of the invention.Student 2,3, 4:Write down as many sentences as possible by using passive voice.Hello, everyone! Let me tell you something about our invention. . . .

12、 . . . (more information)Create our own inventionsmemory breadHello, everyone! Let me tell you something about my invention.It was called memory bread.It was invented by Maggie .It is used to help people memorizing anything they want. It can help a lot when you are asked to memorize some English wor

13、ds.When you use it, you are supposed to cover the words with the bread, and eat it. Then the words can be remembered very easily. Do you like my invention?Student 1: Draw a picture of the invention.Introduce the name of the invention.Student 2,3, 4:Write down as many sentences as possible by using passive voice.Hello, everyone! Let me tell you something about our invention. . . . . . . (more information)Create our own inventionsWhich invention is your favorite? Why?Why?Who?Inventions can make our life .Anyone who .必做：Write a short passsage about “My favorite invention”.(Using th