Learning about Language名师教学实录

Unit 4 Wildlife protection教学设计

Learning about Language

(The Present Progressive Passive Voice)

Aims To learn about The Present Progressive Passive Voice To discover useful words and expressions To discover useful structures. Procedures I. Warming up by acting a text play Good morning class. To begin with we shall put our text HOW DAISY LEARNED TO HELP WILDLIFE on stage, that is, to act out our story. Now the class acting team with their text play of HOW DAISY LEARNED TO HELP WILDLIFE!

II. Discovering useful words and expressions 1. Doing vocabulary exercises

Turn to page 28 and do the vocabulary exercises 1, 2 and 3. You can simply write your answers in the blanks on the very page of 28. 2. Playing a game Let’s go on to play the game described on the top of the page 29. The following sentences are to be passed on. ▲

Plant native plants in your backyard.

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Do not dump weeds in the bush.

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Build a frog pond in your backyard.

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Put your rubbish in the bin.

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Leave your pets at home.

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Do not take anything out of the park.

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Encourage your friends to keep patches of bush as wildlife habitats.

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Join a community group and offer to do voluntary work.

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Find out about conservation activities happening in your local area.

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Participate in local clean-up, tree planting and weed control activities.

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Learn About Threatened Species ▲

Look out for wildlife ▲

Refuse to buy any rare or endangered plant or animal product.

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Be alert and drive slowly at dawn and dusk in rural areas where wildlife may be active.

III. Studying The Present progressive Passive Voice 1. Passive Voice

The passive voice is used when focusing on the person or thing affected by an action.

The Passive is formed: Passive Subject + To Be + Past Participle

It is often used in business and in other areas where the object of the action is more important than those who perform the action. For Example: We have produced over 20 different models in the past two years. Changes to: Over 20 different models have been produced in the past two years.

If the agent (the performer of the action) is important, use “by.” For Example:

Tim Wilson wrote The Flight to Brunnswick in 1987.

The Flight to Brunnswick was written in 1987 by Tim Wilson.

Only verbs that take an object can be used in the passive.

The following chart includes sentences changed from the active to the passive in the principal tenses.

Active

They make Fords in Cologne.

Passive

Fords are made in Cologne. Time Reference

Present Simple Present Susan is cooking dinner.

Dinner is being cooked by Susan Continuous Dubliners

was written by James James Joyce wrote Dubliners.

Joyces. They were painting the house when The house

was being painted Past Continuous Past Simple

I arrived.

when I arrived. They have produced over 20 Over 20 models

have been Present Perfect models in the past two years.

produced in the past two years. They are going to build a new A new factory is going to be built Future Intention factory in Portland.

I will finish it tomorrow.

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.”

Auxiliary

Tense

Subject

Singular

Present

Present perfect

Past

Past perfect

Future

Future perfect

The car/cars

The car/cars

The car/cars

The car/cars

The car/cars

The car/cars

is

has been

was

had been

will be

will have been

is being

was being

Plural

are

have been

were

had been

will be

will have been

are being

were being

designed.

designed.

designed.

designed.

designed.

designed.

designed.

designed.

Past Participle

in Portland. It will be finished tomorrow. with Going to Future Simple Present progressive The car/cars

Past progressive

The car/cars

IV. Reading and identifying Since you are clear about Passive Verb Formation, go back to page 26 and scan the text for all the examples of The Present Progressive Passive Voice.

Our fur is being used to make sweaters like yours. She was being watched by an excited elephant. …

Now try to put the following sentences into The Present Progressive Passive Voice.

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They are producing this new drug. ▲

Antelope is looking at her. ▲

They are killing us for the wool. ▲

They are destroying the farm. V. Discovering useful structures

To consolidate your learning of The Present Progressive Passive Voice, turn to page 29 and do the grammar exercises 1, 2 and 3, also on the very page of 29. VI. Closing down by playing a game To end this period go to page 29 and play the game called “Tell me what is happening?” Ask questions containing The Present Progressive Passive Voice.