人教版（新课程标准）必修四 Unit 2 Working the land 动词ing形式作主语和宾语教案

人教版高中英语必修四 Unit 2 Working the land
Grammar 动词ing形式作主语和宾语(the -ing form as the Subject and Object)
一、教学设计
【教学目的】
1. Students will learn the –ing form as subject and object.
2. Students will use the -ing form as subject and object correctly and freely.
【教学流程】
Step 1 the -ing form as the Subject
微视频文字：Look at the following sentences and pay special attention to the words in bold.
Part 1 Pay attention to the following words in bold.
1. Since then, finding ways to grow more rice has been his life goal.
2. Spending money on himself or leading a comfortable life also means very little to him.
3. Just dreaming for things, however, costs nothing.
What have you found
结论：
The -ing form can be used as the subject.
It can have its own object and adverbial.
And the predicate verb is used singular form.
Part 2 Pay attention to the word “it” in the following sentences
1. It is a waste of time doing this.→
2. It is no use crying over spilt milk.→
3. It is no use complaining.→
4. It is no good worrying about it.→
5. It is difficult finding your way around here →
结论: It一是可以用It作形式主语
二是动词-ing形式可以有逻辑主语（即独立主格结构）
三是可以有否定形式
即学即练：
Rewrite the following sentences using the –ing form as the subject.
It is nice to help people in need of help.→ Helping people in need of is nice.
It is not easy to grow super hybrid rice.→ Growing super hybrid rice is not easy.
It is not difficult to learn more about farming.→ Learning more about farming is not difficult.
In the countryside it is not as easy to do research as in the city.→ In the countryside doing research is not as easy as in the city.
Fill in the blanks.
It is no use trying (try) to escape.
It is worthwhile seeing (see) the movie.
It is a waste of time playing (play) computer games.
It is pleasant hanging (hang) out with friends.
Step 2 the -ing form as the Object
1. Read the following sentences from the text and try to find some rules.
1) As a young man, he saw the great need for increasing the rice output.
2) Dr Yuan searched for a way to increase rice harvests without expanding the area of the fields.
3) He enjoys listening to violin music, playing mah-jong, swimming and reading.
4) Dr Yuan awoke from his dream with the hope of producing a kind of rice that could feed more people.
结论：
The -ing form can be used as the object both of verb and preposition.
2. Look at the following sentences. What have you found
1) He suggested doing it in a different way.
2) The president tried to avoid answering the reporter’s questions.
3) I admit having read your letter.
4) We’re considering paying a visit to the Science Museum.
5) I have been used to living here.
结论：
Verbs with –ing form as their object:
admit, advise, allow, appreciate, avoid, complete, consider, delay, deny, enjoy, escape, finish, imagine, keep, mind, miss, postpone, practise, quit, suggest, stop, can’t stand, can’t help, be worth and etc.
即学即练：
Choose the correct word or phrase from the box to finish each sentence. Be sure to use to do and –ing forms correctly.
It was good ______ the young man working with his father in the fields.
Paul clearly enjoyed ______ about how to farm well.
When I talked to him, he told me he dreamed of ______ his own farm.
He wanted ______ with scientific methods of farming.
He will keep ______ new ideas so he can help farmers around China.
I am quite interested _____ what will happen to Paul’s farm in the future.
Someday, he hopes ______ super wheat, like Yuan Longping’s super rice.
He is not afraid ______, because he knows failure will help him learn more.
He cares very little about ______ a big house and a car.
His father says that he has never regretted ______ his son to study abroad.
Step 3 Summary
The structure of the period is as follows:
Step 4 Homework
develop experiment fail find out have learn own see send try out
动词ing形式作主语和宾语(the -ing form as the Subject and Object)
动词ing形式作主语（the -ing form as the Subject）
动词ing形式作宾语（the -ing form as the Object）