高二英語教案：《Tomorrow’s world》教學設計(7)

　　A new factory is going to be built in Portland.

　　Future Intention with Going to

　　I will finish it tomorrow.

　　It will be finished tomorrow.

　　Future Simple

　　2. Passive Verb Formation

　　The passive forms of a verb are created by combining a form of the "to be verb." with the past participle of the main verb. Other helping verbs are also sometimes present: "The measure could have been killed in committee." The passive can be used, also, in various tenses. Let's take a look at the passive forms of "design."AuxiliarySingularPluralPresent

　　The car/carsisaredesigned.Present perfect

　　The car/carshas beenhave beendesigned.Past

　　The car/carswasweredesigned.Past perfect

　　The car/carshad beenhad beendesigned.Future

　　The car/carswill bewill bedesigned.Future perfect

　　The car/cars

　　will have been

　　will have beendesigned.Present progressive

　　(Present continuous)

　　The car/carsis beingare beingdesigned.Past progressive

　　(Past continuous)

　　The car/carswas beingwere beingdesigned.3. The passive Voice of phrasal verb

　　Generally speaking, only transitive verbs can form the passive voice, for only transitive verbs can be followed by objects. But many intransitive verbs together with some prepositions and adverbs can be used as transitive verbs. So they can also be followed by the objects. Therefore they can also be used in passive voice.

　　But note that all the phrasal verbs are used as a whole. When using them in passive voice, we cannot drop out the prepositions and adverbs. For examples:

　　At last they put out the fire.      At last the fire was put out.

　　They will put up a notice on the wall.     A notice will be put up on the wall.

　　Have you sent for a doctor?      Has the doctor been sent for?

　　I have never heard of such a thing before.     Such a thing has never been heard of before.

　　We must take good care of the children here.      The children must be taken good care of here.

　　His classmates laughed at him for the foolish mistake.      He was laughed at for the foolish mistake by his classmates.

　　Step 2: Detail explaination

　　You've learned the basic verb forms of the passive voice. Please pay attention to some of the rules when using the passive voice and some special passive patterns.

　　1. Look at some sentences on the blackboard. Point out the verb, the subject and the object in each of these sentences.

　　We keep food in the fridge. (The verb in this sentence is keep. The subject is we, and the object is food.)

　　The boy broke the glass. (The verb in this sentence is broke. The subject is the boy, and the object is the glass.)

　　You must close the windows and the door. (The verb in this sentence is close, and must is a model verb. The subject is you, and the object is the windows and the door.)

　　The three sentences can be used in the passive voice. In the three sentences, the subjects are the doers of the actions, and the objects are things that are affected by the actions. Change the three sentences into the passive voice.