Unit 3 Under the sea grammer passive-ing form

Grammer—Passive -ing Form
Teacing aims：
1. knowledge aims
a. to review the usage of –ing form.
b. to learn the use of passive –ing form.
c. to tell the difference among –ing form, infinitive and past participle.
2. ability aims
a. to improve students’ ability of using nonpredicate
b. to make students use passive –ing form correctly and freely
3. emotional aim
to inspire students’ interest in learning english
Teaching important & difficult points:
1. to grasp the usage of passive –ing form
2. to tell the different use of nonpredicate
Teaching methods：
1. task-based teaching and learning
2. discussion and group work
3. ask-and-answer activities
Teaching procedures：
StepⅠ greetings and revision
Greet students as usual.
Review the usage of –ing form.
StepⅡ passive –ing form
Look at the following sentences to see the form of passive –ing form and distinguish the different parts they are used in each sentence.
1. Being killed by a shark is a common thing.
2. The man wore dark glasses to avoid being recognized.
3. I heard of his having been chosen to be the coach of the team.
4. The large house being built is a new shopping mall.
5. I saw a boy being caught away by two young men.
6. Being taken good care of, the trees are growing better and better.
7. Having been sent to the wrong address, the letter did not reach her.
8. The whole classroom having been cleaned ,the students went home happily.
Then ask students to draw a conclusion about it.
StepⅢ practice
1. James was afraid of (attack) by sharks.
2. Clancy didn’t mind (tell) what to do.
3. The children enjoyed (take) to the acquarium.
4. (show) around the library, we were taken to see the lab.
5.I look forward to (see) you again.
6. (answer) the question, you can sit down.
StepⅣ discussion
If time permits, ask students to discuss the following pairs of sentences to find out differences.
1. It’s no use waiting for her.
It’s necessary to read English loudly.
2 .I remember to meet her at the station tomorrow.
I remember seeing her once somewhere.
3. The news is exciting.
I’m excited at the news.
4. The topic being discussed is very important.
The topic to be discussed tomorrow is very important.
The topic discussed by us yesterday was very important.
5. I saw a girl crossing the street.
I saw a girl cross the street.
I saw clothes washed.
I saw clothes being washed.
6. To see the beautiful scenery, we climbed up the mountain.
Standing at the top of the mountain, we saw the beautiful scenery.
Seen from the mountain , the scenery is very beautiful.
StepⅤ consolidation or home work
一、Correct mistakes
1. Most of the students enjoy asked to answer questions.
2. The question is far from being settling.
3. The building which being built is a ;aboratory.
4. Having given such a good gift, could he let it missing
5. You’ll hear the topic being discuss at the meeting.
6. My watch needs being repaired．
二、fill in the blank.,and pay more attention to number 4,5,6
1. （walk）along the riverbank, we saw a lot of boats in the river
2. (see) from the top of the building, the city looked very charming.
3. (finish) the work, he began to watch TV.
4.The meeting (be) over, we went home.
5.Weather (permit), we’ll have an outing tomorrow.
6. All things (consider), her paper is of greater value than yours.