Learning about Language公开课参赛课教案

Unit 2 working the land Learning about language

河北卢龙县中学

董雅芹

Teaching aim: To make students master some words and expressions. To make students have a general idea about the grammar: The –ing form as the subject & object Teaching difficulties: How to make the students get the grammar: The –ing form as the subject & object) Teaching methods: group learning, discussing Teaching aids: blackboard, computer

Teaching steps: Step1 Revision

I. To review some useful words and expressions using an interesting game. Students are divided into three groups to guess the words and expressions according to the hints and then look at which group can win the game. 1.

brown (skin) from spending too much time in the sun(sunburnt) 2.

to make something or somebody free of (rid… of) 3.

to become larger in size, number or amount (expand) 4.

To send goods, information etc to people (circulate) 5.

would prefer to(would rather) 6.

To try extremely hard to achieve something (struggle) 7.

To send things to foreign countries for sale (export) 8.

Pleased by having what one wants or needs (satisfied with) 9.

To provide with things necessary for a certain purpose (equip) 10.

Plant grown by farmers and used as food (crops) 11.

because of (thanks to) II. Find words from the previous pages of this unit to replace the underlined words. 1.

According to the WHO’s information, about 1.8 million people across the world die each year from diseases caused by unsafe food and water.

(statistics, globe) 2.

Different kinds of powerful corn, another hybrid grain, has been developed by scientists of many different races. (super, nationalities) 3.

Not having enough food leads to poor health and, therefore, sickness. (hunger, disease) 4.

Over 56 percent of the people in a small Southeast Asian country are in jobs related to agriculture.(Vietnam, occupations) 5.

With the open conditions in today’s international business world, hybrid grains can be sold and sent abroad to countries around the world. (freedom, exported) III. Complete the passage with the words below in their proper forms. disturbing

expand

output

struggle

battles

grain

crops

decade

equip

In the past

, some of the farmers in the west of China have met with some success in the

against the

desert.

with new scientific farming methods, they have been able to use less farmland than in the past. Their

of

and other

,however, is still the same, which makes it possible for them to use the remaining farmland for planting trees. These and other farmers are starting to win small

in the great war against the

growth of the desert.

Keys: decade, struggle, expanding, Equipped, output, grain, crops, battles, disturbing Step II Grammar—v-ing做主语和宾语

I. To use the sentences in the passage to analyse the –ing forms used as either the subject or the object. 1.

Since then, finding ways to grow more rice has been his life goal. (subject) 2.

As a young man, he saw the great need for increasing the rice output. (object) 3.

Yuan Longping searched for a way to increase rice harvests without expanding the area of the fields. (object) 4.

He enjoys listening to violin music, playing mah-jong, swimming and reading. (object) 5.

Spending money on himself or leading a comfortable life also means very little to him. (subject) 6.

Just dreaming for things, however, costs nothing. (subject) 7.

He awoke from his dream with the hope of producing a kind of rice that could feed more people. (object) II. Explaining

类

别

形式

一般式

完成式

动词-ing形式

性质作用

现在分词

动名词

可作成分

及物动词

主

动

doing

having done

被

动

being

done

having been done

adj / adv

宾补，状语, 定语，表语

n

主语，宾语，定语，表语

1.

v-ing 做主语

(1) to do与doing做主语的区别：

Having sports in the morning is good for our health. 表示一般或抽象的多次行为

To have sports this morning is not good for our health, for the fog is heavy. 表示具体的或一次性的动作。

(2) v-ing做主语也可用it做形式主语

Playing computer games is no good. = It is no good playing computer games. 常用-ing形式作主语的句型有：

1). It +be +a waste of time doing

做……是浪费时间的

2). It is/was no good/use doing

做……是没用处的

3). It is/was worthwhile doing/to do

做……是值得的

2. v-ing 做宾语

观察句子：

1.

We should often practise _____________(speak)

English every day. 2.

He devoted his life to _____________(study) automic theory. 3.

He hopes ______________ (find) a job soon. 4.

Missing the bus means ___________(wait) for another two hours.

5.

The bike needs ____________(repair) 总结：1) 只接v-ing作宾语的常见动词

avoid, miss, delay, advise, finish, practise ; enjoy, imagine, can’t help; admit, deny, envy; escape, risk, excuse; stand, keep, mind. 避免错过(少)延期; 建议完成多练习; 喜欢想象禁不住; 承认否认与妒忌; 逃避冒险莫原谅; 忍受保持(不)介意. 2) 只接v-ing作宾语的常见动词短语

insist on, object to, be good at,

lead to, put off, give up, feel like,

look forward to, devote to, be worth,

get used to, pay attention to 3) 动词forget, go on, mean, regret, remember, stop, try, be used to, can't help后跟动名词和跟不定式区别较大，须注意。

forget doing忘记曾做过某事

forget to do忘记做某事

regret doing后悔做过某事

regret to do遗憾地要做某事

remember doing记得做过某事

remember to do记得要做某事

go on doing

继续做原来做的事

go on to do接着做另一件事

mean doing 意味着要做某事

mean to do想要做某事

try doing

试着做某事

try to do努力做某事

stop doing停止做某事

stop to do停下来（做另一件事）

be used to doing习惯于做某事

be used to do被用来做某事

can't help doing

禁不住做某事

can't help to do不能帮助做某事

4）动词start, begin, continue，prefer 等后跟动名词和跟不定式区别不大。

注意：start 和

begin 只用to do 的三种情况

The ice began/started to melt.

He is just beginning/starting to read the book.

She began/started to understand it. a.句子主语是物不是人的时候; b.当start用于进行时即starting时; c.当start后接的动词为表示心理活动的动词如understand, realize, know等时. StepIII. Homework: Textbook P13 Exercise book P19-20