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1、Unit 3 Language in useTeaching modelRevision and application Teaching aims1. To summarise and consolidate if-clause and the vocabulary .2. To learn the new words : hurry up , shelf , steal .Teaching aidsTape recorder , OHP , handoutsTeaching StepsStep 1 RevisionReview the text of Unit 1 and Unit 2St
2、ep 2 Language practice1. Read through the example sentences in the box with the whole class .2. Ask them to identify the elements which have been highlighted. (the verbs for two clauses of the first conditional ) .Step 3 Grammar 语法学习：if引导的条件状语从句的用法(2)一）时态呼应 一般来讲，复合句都要遵循主、从句时态呼应规律，状语从句也不例外。即主句用现在时，从句
3、也用现在时；主句用过去时，从句也用过去的某种时态。具体地讲，主句是一般现在时(包括祈使句和含有情态动词can, may, must等)，从句也用一般现在时。例如： Have a good rest if you are tired. 如果你累了，就好好休息一会儿吧。 You must see the doctor if you are ill. 如果你生病了，就必须去看医生。 这里提醒大家特别要注意：如果主句是一般将来时态，这时从句不可以用将来时态，而要用一般现在时。例如： I wont go there with you if it rains tomorrow. 如果明天下雨的话，我就不和
4、你一起去那儿了。 If we do nothing, there will be only standing room on the earth.假如我们不采取任何措施，地球上将只有站的地方了。 二）主从句的位置 大多数情况下，从句可以位于主句之前，也可以位于主句之后。不过从句在前时，主从句之间必须用逗号隔开。例如： Please tell me if he comes back. = If he comes back, please tell me.如果他回来了，请告诉我一声。Step 4 Do exercises :A. Rewrite the sentences with if.1. L
5、isten in class, or you wont understand what to do.2. Eat some breakfast, or youll get hungry at school.3. Hurry up! Well be late!4. Read the instructions carefully. Then youll know what to do.Answers:1. If you dont listen in class, you wont understand what to do. 2. If you dont eat some breakfast, y
6、oull get hungry at school. 3. If you dont hurry up, well be late. 4. If you read the instructions carefully, youll know what to do. B. Complete the sentences. Give advice with the correct form of the words.1. I want to get high scores._ (work hard / do well)2. How can I remember my friends birthdays
7、?_ (keep a note in your diary / not forget).3. Its late, but I dont want to go to sleep._ (not get enough sleep / feel tired at school).4. I dont like speaking English outside the classroom._ (not practise / not improve).5. Should I tell my teacher I dont understand the homework?_ (not tell her / sh
8、e / not able to help you)6. Is it OK if I watch TV for six hours?_ (you watch too much TV / eyes / hurt)Answers:1. If you work hard, you will do well2. If you keep a note in your diary, you wont forget3. If you dont get enough sleep, youll feel tired at school4. If you dont practise, you wont improv
9、e5. If you dont tell her, she wont be able to help you6. No. If you watch too much TV, your eyes will hurtC. Complete the sentences so that they are true for you.1, Ill be really happy if _. 2. Well do well in English if _. 3. My parents will be angry if _.4. If it rains next Saturday, _.5. If I get
10、 some money for my birthday, _.Step 5 Complete the conversation with the words and expressions in the box.A. Read through the words in the box with the whole class ; have them repeat chorally and individually if you feel it necessary .B . Ask the students to do this individually , then check with a
11、partner .C .Call back the answers from the whole class ,D . Check the answers:1. terrible 2. pocket money 3. problem 4. refused 5. keep 6. proud 7. mend 8. honestStep 6 Complete the passages with the correct form of the phrases in the box.A. Read through the words in the box with the whole class ; h
12、ave them repeat chorally and individually if you feel it necessary .B . Ask the students to do this individually , then check with a partner .C .Call back the answers from the whole class ,D .Check the answers:1. angry with 2. good at 3. spend time 4. At least 5. be proud of 6. at the end of 7. Afte
13、r allStep 7 Work in pairs . A. Read the problems and give advice in Activity 6 .1. Ask the students to read through the problems individually .2. Ask them to get into pairs and discuss them , and decide on the advice the would give .3. They can then discuss their ideas with another pair .4. Call bac
14、k suggestions from the whole class ; try to get a whole-class discussion going .B. Read the problems and give advice in Activity 7. C. Choose one of the problems and write a reply. Say what will or wont happen in each possible situation.Step 8 Listening A .Listen to the conversations . Do the speakers give the same advice as you ?B. Answer the questions. C. Listen and check the answers:Step 9 Around the world : Problem page .1. Read through the passage with the students .2. Look at the picture
