1、Unit 6 When was it invented? Section A Grammar Focus-Section B 1eLesson ThreeTask 1When was the first car invented?It was invented in 1885.Who was it invented by?It was invented by Karl Benz.Look and talkRevisionWhen was the first television invented?It was invented in 1927.Who was it invented by?It
2、 was invented by J. L. Baird.RevisionWhen was the zipper invented?Its was invented in 1893.Who was it invented by?It was invented byWhitcomb Judson.When was tea brought to Korea?It was brought to Korea during the 6th and 7th centuries.What is the hot ice-cream scoop used for?Its used for serving rea
3、lly 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.Grammar FocusPresentation语法小知识语法小知识一般一般过去过去时时的被动语态的被动语态Presentation主动语态被动语态Somebody cleaned the office yesterday.主语主语 谓语谓语 宾语宾语The office
4、 was cleaned yesterday. 主语主语+ +be+ +过去分词过去分词 构成构成：一般过去时的被动语态由“主语+was/were+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，其变化规则与 be 作为连系动词时完全一样。Presentation现以动词ask为例，将一般现在时和一般过去时被动语态的肯定式、否定式及疑问式列表如下： 肯定式肯定式否定式否定式疑问式疑问式 一般现在时 I am asked He/She/ is asked We/You/They are asked I am not asked He/She is not asked We/You
5、/They are not asked Am I asked? Is he/she asked? Are we/you/they asked? 一般过去时 I was asked He/She/ was asked We/You/They were asked I was not asked He/She was not asked We/You/They were not asked Was I asked? Was he/she asked? Were we/you/they asked? 1. Mr. Green _ to sing an English song at the part
6、y and he sang well. A. was invited B. invited C. is invited D. invites2. The waiter told me that free parking _ for the hotel guests. A. provides B. provided C. will be provided D. was provided3. What do you think of the latest TV play the Name of People? Its very popular. Millions of families _ by
7、it during that time. A. attracted B. are attracted C. were attracted D. were attractingGrammar exercisesPractice4a Rewrite the sentences using the passive voice.1. They sold the fridge at a low price. The fridge was sold at a low price.2. Somebody stole my camera from my hotel room. My camera was st
8、olen from my hotel room.3. Where did you take these photos? Where were these photos taken?4. Our parents advised us not to go out alone. We were advised by our parents not to go out alone.5. Different writers translated the book into different languages. The book was translated into different langua
9、ges by different writers.Practice4b. Complete the sentences with the correct forms of the verbs in the box. 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.3. The door _ when we arrived, so we _ the
10、 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.eat like invite tell lock ring break bringwere inventedwere broughtwas lockedrangwere toldb
11、rokewere eatenlikedPractice4c 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 the invention of the telephone with Thomas Watson. In 1875, Mr Bell (l
12、earn ) 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. Waston, come here; I want to see you .” Today the telephone_ (use) around the world.was inventedwas bornwas in
13、ventedwas saidis usedworkedlearnedProductionTask 2What food do you like best?potato chipscheeseice creamsalted eggsFree talkPre-listeningwatermelonslemonsred bayberriesPre-listeningsweetcrispysaltyHow do they taste?sourPre-listening1a The words in the box describe how food can taste. Write them unde
14、r the correct pictures. Some pictures have more than one word. _ _ _ _ _ _ _ _sweet crispy salty sourcrispysaltysoursweetsaltyPre-listening1b Write the name of a different food after each word.sweetcrispysaltysour_bananabiscuit, potato chips, fried chickensalted eggs, cheesegrape, lemon, vinegarPre-
15、listening 1. Potato chips were invented by mistake. T F 2. They were invented in 1863. T F 3. The customer thought the potatoes were not thin enough . T F 4. The customer said they were not salty enough. T F 5. George wanted to make the customer happy. T F 6. The customer was happy in the end . T F1
16、c Listen and circle T for true or F for false.While-listening1d Listen again. Complete the sentences.The History of Potato ChipsDo you know how potato chips were invented? Potato chips_ by a cook called George Crum. They were invented in . George Crumcut the potatoes really, really and then cooked t
17、hem for a long time until they were _. Finally he put lots of salt on them so they were _. were invented1853thin crispyreally saltyWhile-listening1e Make a conversation about the invention of potato chips. Use the information in 1c and 1d.Did you know potato chips were invented by mistake?Wow, I did
18、nt know that. Who invented them?Post-listeningIts said that they were invented by a cook called George Crum.Post-listeningSummaryKey words and phrases:fridge, low, somebody, translate, lock, ring, earthquake, sudden, bell, biscuit, cookie, musical, instrument, sour, customer, all of a sudden, by mis
19、takeKey sentences:When was the zipper invented? Its 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 centuries.What is the hot ice-cream scoop used for?Its used for serving really cold ice-cream.Did you know potato chips were invented by mistake? Write a short passage about “The History of Potato Chips” using the information in 1c and 1d. HomeworkThank you！Goodbye!
