八年级英语Online travel课件1.ppt

1、Unit 3 Online travel,Grammar,screen,keyboard,printer,mouse,U-disk,hard disk,Can you remember what they are?,What do we use it for?,We use it to type,It is used to type.,What do we use it to do ?,We use it to put the words and pictures onto paper.,It is used to put the words and pictures onto paper.,

2、What do we use it to do ?,We move it with our hands to move the cursor on the screen.,It is used to move the cursor on the screen.,What do we use it to do ?,We use it to store information.,It is used to store information.,被动语态,被动语态的谓语部分由“be + 动词过去分词”构成，其中，句子的时态由be的时态体现。在含被动语态的句子中，主语是动作的承受者，如果要说明动作的执

3、行者，前面用介词by引出。如： English is used everywhere. 到处都在说英语。(一般现在时) The small girl was taken to the hospital by her parents. 这个小女孩是由她的父母带到医院的。(一般过去时),被动语态可用于多种时态中，以表示动作发生的时间不同。先让我们看看被动语态的各种时态结构形式：,结构,一般现在时,am / is / are+动词的过去分词,一般过去时,was / were+动词的过去分词,主动语态和被动语态的转换:,主:,被:,I,learn,English,English,is learned,

4、me,+,+,+,+,by,The hill is very beautiful.,Do you climb it every day?,_it _(climb) by the boy every day?,Is,climbed,How delicious the meat is!,We ate it too much in the past . But it _(not eat) too much,wasnt eaten,Most of us like watching TV.,But TV _( not watch) too much.,isnt watched,Its good for

5、us to play basketball.,Do you play it as often as possible?,_ it_( play) by your English teacher yesterday?.,Was,played,Vegetables are very important for our health.,_they _(eat) by you every day?,Are,eaten,The computer is very popular now.,_ it _(use) all over the world now?,Is,used,We can use the

6、passive voice when It is obvious who performs the action. Word processing skills are taught in our computer lessons. 2.We do not know or do not want to know who performs the action. The printer was sold already. 3.We think the action is more important than person who performs the action. Educational

7、 CD-ROMs are sold in many countries.,Fill in the blanks.,Shopkeeper: Good morning. What can I do for you? Millie: Good morning. Id like to buy a computer. Shopkeeper: Weve got many kinds of personal computers. This green one _ (call) KiWi, and it _(design) especially for students. Millie: Where _ it

8、 _ (make)? Shopkeeper: It _ (make) in Shenzhen. Millie: _ it _ (use) widely. Shopkeeper: Of course, very widely in Beijing. Millie: Ok. Ill think about it.,is called,is designed,is,made,is made,Is,used,He cleaned the blackboard. 2. I often help Jim. 3.He planted many trees last year.,The blackboard

9、was cleaned by him.,Jim is helped by me.,Exercises:,Many trees were planted by him last year.,The cake was eaten by Daniel. 2. The book was taken by Nancy. 3. The little dog is looked after very well by Simon. 4. His house was sold by his son. 5. The computer is bought by my uncle . 6. I am woken up

10、 by my father every morning.,Underline the passive voice in the following sentences:,Millie has just bought a computer like Simons. However, she does not know how to open her e-dictionary on the computer. She calls Simon and asks for help. Complete their conversation. Fill in the blanks using the pa

11、ssive voice in the simple past tense.,Millie: Hi, Simon. I cant open my new e-dictionary On my computer. Can you help me? Simon: Yes, of course. Did you close all the windows? Millie: Yes, all the windows _. Simon: Then restart the computer. Millie: It _. Simon: Did you check the settings? Millie: Y

12、es, the settings _. Simon: Did you connect the keyboard to the computer properly? Millie: Yes, the keyboard _. Simon: Did you double-click on the “auto-run” icon after you put in the CD-ROM?,were closed,was restarted,were checked,was connected to the computer properly,Millie: Yes. The icon _,but it

13、still isnt working. Simon: Thats really strange. Let me come and have a look later today. Millie: Thanks a lot, Simon. Simon: Youre welcome.,was double-clicked on,Change the active voice into the passive voice.,1. Millie painted this picture. 2. He sells coke in a small shop. 3. People grow rice in

14、China. 4. He wrote the letter last night. 5. Tom took many beautiful photos.,This picture was printed by Millie.,Coke is sold in a small shop.,Rice is grown in China.,The letter was written last night.,Many beautiful photos by Tom.,Passive voice with by,Princess Amy eats the apple.(the active voice)

15、,The apple is eaten by Princess Amy. (the passive voice),Lucy drinks the juice. (the active voice),(the passive voice),The juice is drunk by Lucy.,The bear hit Mr Lin yesterday .(the active voice),(the passive voice),Mr Lin was hit by the bear yesterday.,Work out the rule,We use am, or + past partic

16、iple to form the passive voice in the simple present tense,We use or + past participle to form the passive voice in the simple past tense.,is are,was were,Princess Laura was given a magic wand, but it only works,Princess Laura was caught by an evil witch.,The princesss hair was cut short by the evil witch.,When a question is answered correctly,When a question is answered incorrectly,Whe