IV. Practice

　　Do Exercise 1 in the students' books. Read through the phrases in the boxes, and make up true sentences by themselves. Then check the answers with the whole class.

　　Let the students do some translation exercises.

　V. Presentation

　　Revise the instruction for planting trees, using “should” and “must” .

　　(not + be + past participle). Then tell the students that we can use the Passive Voice in the same way. Give them some examples.

　　1. The homework must be done.

　　2. The fish must be cooked.

　　3. The books should be returned tomorrow.

　　4. The tree must be tied to the stick.

　　5. The hole should be dug first.

　　Let them repeat the sentences. Point out the use of must/ should + Passive Voice. Then help the students change the sentences into the Active Voice and make sure they can understand the difference between the Active and Passive Voice.

　　For instance:

　　We should plant many more trees. (Active)

　　Many more trees should be planted. ( Passive)

　　The Passive Voice is used when it is not necessary to mention the doer of the action.

　VI. Practice

　　Get the students to make up sentences using the words in the boxes. Do Exercise 2 and Exercise 3. First do the first one as an example, then let the students work in pails, and make up sentences. Collect some examples from the whole class.

　VII. Workbook

　　Do Exercise 1 orally first, then write down the answers.

　　For Exercise 2, do it together. The answers are: 1. think 2. long, wide, wide 3.deep, deep 4.high/ tall, high/ tall 5.tall

　　For Exercise 3, Fill in the blanks, check the answers. The answers are:

　　Be, made, long, wide, through, stopped, warm, more, all, in

Exercise in class

　　Put these sentences into the Passive Voice.

　　1. You must finish your work today.

　　2. They can repair the road in two hours.

　　3. We shouldn't laugh at that poor child.

　　4. Can they plant trees in that place?

　　5. They may grow some flowers in the garden.

　　Answers:  1. Your work must be finished today.

　　2. The road can't be repaired in two hours.

　　3. The poor child shouldn't be laughed at.

　　4. Can trees be planted in that place?

　　5. Some flowers may be grown in the garden.

　VIII. Homework

　　1. Revise the contents of this unit, particularly the use of the Passive Voice.

　　2. Make ten sentences in both the Active Voice and the Passive Voice.

Lesson 44

Properties: Recorder; Overhead Projector; Pictures.

Teaching Objectives:

　　I. Practise listening ability.

　　2. Learn some dialogues.

Language Focus: Checkpoint 11.

Teaching Procedures:

　I. Showing the teaching aims

　II. Revision

　　Revise the dialogues and some sentences orally. Then choose some good sentences from the students homework and read them to the class.

　III. Leading in

　　Tell the students today they are going to hear about Tree Planting Day. Think about the two questions: What happens on Tree Planting Day? How do you plant a tree?