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1、Period Five Grammar Onefloppy diskkeyboardprintermouseprogramshard diskCan you remember what they are?What do we use it for?We use it for storing information.It is used for storing information.What do we use it for?We use it to typeIt is used to type.What do we use it to do ?We use it to put the wor
2、ds and pictures onto paper.It is used to put the words and pictures onto paper.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 control our computer.It is used to control our computer
3、.What do we use it to do ?We use it to store information.It is used to store information.被动语态结构一般现在时am/is/are+动词的过去分动词的过去分词词一般过去时was/were+动词的过去分词动词的过去分词主动语态和被动语态的转换:主: 被:IlearnEnglishEnglishis learnedme+ byThe orange is very delicious._ it _(eat) by youevery day?Is eatenThe hill is very beautiful.Do
4、 you climb it every day?_it _(climb) by the boy every day?Is climbedHow delicious the meat is! We ate it too much in the past .But it _(not eat) too muchwasnt eatenMost of us like watching TV.But TV _( not watch) too much isnt watchedIts good for us to play basketball.Do you play it as often as poss
5、ible?_ it_( play) by your English teacher yesterday?.WasplayedVegetables are very important for our health._they _(eat) by you every day?AreeatenThe computer is very popular now._ it _(use) all over the world now?Is usedWe can use the passive voice when1.It is obvious who performs the action. Word p
6、rocessing skills are taught in our computer lessons.2.We do not know or cannot remember who performed the action. The printer was sold already.3.We think the action is more important than person who performs the action Educational CD-ROMs are sold in many countries.4.We can introduce the person who
7、performs an action with the passive voice using “by” And the name(s)of the person(s) at the end of a passive sentence That CD-ROM was designed by Nancy Jackson.Read PartAFill in the blanksTranslate the following sentences3.The robber was caught last night.1. The building was built last year2. Rice i
8、s grown in China. 4. The printer was sold already.1.He cleaned the blackboard. 2.2. I often help Jim. 3.3.He planted many trees last year. 4. The blackboard was cleaned by him.Jim is helped by me.Exercises:Many trees were planted by himlast year.Change the active voice into the passive voice.1.Milli
9、e painted this picture.2. He sells coke in a small shop.3. People grow rice in 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 photosby Tom.Homework:一. 按要求变换句型1.My brother turned on the TV after he got home. (改为被动语态)2. They sold all the computers in the shop. (改为被动语态)3. We connected the keyboard to the computer. (改为被动语态)4. All of us like English. (改为被动语态)5. I was looked after in the hospital. (改为主动语态)二 .preview the next lessom
