最新高中英语 Unit4 Grammar and usage教案 牛津译林版选修7.doc

Unit 4 Public transport
Grammar and usage
Teaching aims:
After learning this period, students will be able to
1.understand how the v-ed or a v-ing can be used as adjective;
2.understand how the v-ed or a v-ing can be used as adverb;
3.summarize the rules in which a v-ed or a v-ing is used;
4.learn to use v-ed or v-ing in correct way according to different contexts. Teaching procedures:
Step 1 Lead in
Guide students to read the following passage and help them to analyze the function of the v-ing used in the passage. (PPT4)
Step 2 Grammar Points
Part one a v-ed or a v-ing like an adjective
1.Help the students understand how they can use a v-ing like an adjective
by analysing the sentences given and then draw a conclusion by themselves.
(PPT5)
☆She sat beside the window, watching the falling leaves floating in the air. ☆It was an exciting match.
Conclusion: it usually expresses an action that is going on, or what something
is like.
1.Help students understand the differences between v-ed and v-ing when used
like adjective. While doing this, students are supposed to read the following sentences and try to analyze when v-ed can be used . (PPT6)
☆The police found the stolen car.
☆There was a thick layer of fallen leaves on the ground.
☆Many excited people wanted to travel on the underground.
Answers:express passive meaning, refer to a finished action, tell how we feel about sth.
2. Help students use v-ed or v-ing as adjective in real context. (PPT7) show the picture of Harry Porter and ask students to fill in the blanks with suitable words.
Have you read the book _________ to him? (relate)
It is a book ________ by J.K. Rowling. It’s an_________book most teenagers like. (write, interest)
Will you feel ________ if Harry Porter is your teacher? (excite)
Answers: related, written, interesting, excited
Part two a v-ed or a v-ing like an adverb
1. Ask students to read the following sentences and to analyze when v-ed or
v-i ng can be as adverb. In this activity, students are supposed to discuss in pairs. (PPT8-11)
for London, puffing and rattling.
Answers: express reason or cause , refer to time, express manner,express condition
2. In order to help the students have a better understanding of the knowledge
mentioned above, ask them to rewrite the following sentences with proper conjunctions. (PPT12)
☆ Being ill, he didn’t go to school.
_________ he was ill, he didn’t go to school.
☆ Walking in the street, he met a friend.
_______ I walked in the street, I met a friend.
☆ He watched TV, drinking beer.
He watched TV_______ drank beer.
☆Given more time, I would finish the work on time.
________________________________________.
Answers: Because, when, and, If I were given more time, I would finish the
work on time. Help the students use v-ed of v-ing as adverb in real context. (PPT13)
Answers: Seeing, Carrying, singing, Given
Part three Passive and perfect forms of v-ing
1. Ask students to read the following sentences and fill in the diagram. (PPT14)
☆ The underground system being built in the city will be open next year.
☆ Having seen the situation, a wealthy American businessman, Charles Yerkes
tried to improve the system.
☆ Having been developed over many years, the underground system is now able
to transport millions of people effectively.
Answers: being + done, having + done, having been + done
2. Ask students to rewrite the following sentences with passive and perfect
forms of v-ing. (PPT15)
☆ It is said that the second line of Nanjing Underground is being built and
it will reach Ma Qun.
☆ After the government has realized how serious the financial crisis is, it
has been taking many measures to help people out of difficulty.
______ the picture, I feel very funny. (see)
________so many things, the cat felt very tired. (carry)
The cat carried many things, _______.(sing)
______ more money, I would buy more presents for my wife. (give)
☆After the plan had been revised many times, it was carried out last month. Answers: ☆It is said that the second line of Nanjing Underground being built will reach Ma Qun.
☆Having realized how serious the financial crisis is, the government has been taking many measures to help people out of difficulty.
☆Having been revised many times, the plan was carried out last month.
3. Ask students to make right choice. (PPT16)
________ the differences between London Underground and Nanjing Underground, our government took some measures to improve the underground system.
A.Having compared
B. Compared
C. Having been compared
D. being
compared
Answer: A
Part four the subject of v-ing or v-ed clause
1.Ask the students whether we can rewrite the previous sentence into “Having
compared the differences between London Underground and Nanjing Underground, some measures were taken by
our government to improve the underground system.” If the students find it difficult to judge, the teacher can show another sentence and help them analyze the subjects of v-ing clause and main clause in each sentence. So that the students can make a right judgment and explain the reason. (PPT17)
☆Having compared the differences between London Underground and Nanjing Underground, some measures were taken by our government to improve the underground system.
☆Having been trapped in traffic, he was late for work.
Reason for the judgment: The understood subject of v-ing or v-ed clause is
always the same as the subject of the main clause. 2．Help student use proper forms of words to fill in the blank with the help of the picture. (PPT18)
☆_____ this public service advertisement, we think…(see)
☆____ on internet or other media, the public service advertisement can call on more people to … (show)
Answers: Seeing, Shown
Step 3 Practices and Consolidation
Help the students use proper forms of the following words to complete the short passage and analyze different functions of v-ed or v-ing. This activity will offer students a chance to use what they learned in class. (PPT19)
mislead, know, guide, read
Sometimes advertisements can be useful. ___________ what to buy, consumers may turn to ads for information. That is to say, ______ ads, you will get a better understanding of each product. However, some consumers may also be cheated by __________ advertisements. _________ by these ads, they are likely to make wrong decisions. So what attitude will you take to ads?
Answer: Not knowing, reading, misleading, Guided。