九下Unit 3Grammar教案_九年级unit2说课教案

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Teaching aims:

9B Unit 3 Grammar教案

A Learn to use object +object complements to replace object clauses

B Learn use question words+ to –infinitives to replace object clauses.C Learn to use to –infinitives to replace some adverbial clauses expreing results or

purposes.Teaching procedures: Step 1 Review I.Translate some sentences.1.机器人可以为你做家务，除非你喜欢自己做。

Robots can do housework for you______________________________________.2.姚明是世界上最优秀的篮球运动员这一。

Yao Ming is________________________________ in the world.Keys: unle you enjoy doing it by yourself

one of the best basketball players II.根据所给提示完成句子。

1.Edison’s inventions made a great difference to our e________ life.2.The robot threw the clothes into the ______(垃圾箱)along with the ________(垃圾).3.There is some water in the rice c_____.4.The ______(硬币)in the purse are all here 5.The books were s_____ all over the floor by the child.6.Her job is to collect __________(垃圾).7.When the teacher came into the claroom, he found the claroom in a m_____: the floor was very dirty and the students’ books were on the floor.Keys: everyday dustbin rubbish cooker coins spread

rubbish me Step 2 New words.pill n.药片，药丸 unsure adj.不确定，没把握 forgetful

adj.健忘的 stair n.楼梯 Step 3 Explain 简单句和复合句的转化

1.宾语+宾语补足语将宾语从句改为简单句 2.疑问词+动词不定式将宾语从句改为简单句

3.动词不定式将结果状语目的状语改为简单句 Step 5 Examples

1.I saw that he was reading the book carefully I saw him reading the book carefully.2.I found that he was very happy I found him very happy 3.I noticed that he was entering the room I noticed him entering the room.注意：和find , notice 相同用法的有hear, see, think, watch等 Step 6 Exercises Before the robot went wrong, Mr Jiang was talking on the phone with his mother about it.Use an object clause to rewrite each of his sentences.1.Every day, I notice the robot busy with kinds of housework.2.When I get up, I find my breakfast ready.3.When I come back from work, I find my flat as good as new.4.I consider the robot a great help in my daily life.5.I feel it comfortable to live with a robot.Keys: Every day, I notice the robot is busy with all kinds of housework.When I get up, I find my breakfast is ready.When I get up, I find my breakfast is ready.I consider the robot is a great help in my daily life.I feel it is comfortable to live with a robot.Step 7 Examples

I know how I should drive a car.I know how to drive a car.疑问词+动词不定式将宾语从句改为简单句

Step 8 Attention 疑问词why不能和动词不定式连用

用―疑问词+动词不定式‖将宾语从句转化成简单句的前提是宾语从句的主语和主句的主语一致，且主语的谓语动词通常是know ,remember, forget ,learn等 Step 9 Exercises Mr Jiang wrote a letter to his mother before going on a busine trip.Use q question word + to-infinitive to replace each object clause.Dear Mum, I am going on a busine trip to Shenzhen tomorrow.I have asked my robot to look after you while I am away.You have a serious heart problem have to take medicine every day.However, you have a poor memory and often forget when you should take your pills.My robot will remind you to take at the right time.If you want to go out, my robot will help you find your coat—you are always unsure where you could find your clothes.My robot will go to the supermarket to buy some fruit and vegetables for you, as you often cannot decide which you should choose at the supermarket.You often feel lonely because you do not know who you can talk to, and my robot will try to do something to make you happy.Take care and I will see you soon!Yours, Jiang Shan Keys: when you should take your pills.when to

where you could find your clothes.where to find which you should choose at the supermarket.which to choose who you can talk to,who to talk to Step 10.Examples He got up early so that he would not mi the train.He got up early in order to mi the train.动词不定式将结果状语目的状语改为简单句 Step 11 Attention 用―动词不定式‖将结果状语从句转换成简单句的前提是从句的主语和主句的主语一致。

2.结果状语从句so…that…的结构可以用too…to…或（not）…enough to…来转换；目的的状语从句可以用in order to 来转换 Step 12 Exercises.Mr Jiang’s mother was very pleased with the robot.She is telling Mr Jiang on the phone about her life with the robot.Rewrite her sentences with to-infinitive.1.I was so forgetful that I didn’t lock the door last night.I was too forgetful ________________________.2.The robot was so careful that it reminded me of this.The robot was careful enough _______________________.3.I was so week that I couldn’t go up and down the stairs often.I was too week_________________________________.4.The robot was so kind that it bought me everything I needed.The robot was kind enough _____________________________.5.Sometimes I took a walk with it so that I couldn’t have a better sleep.Sometimes I took a walk with it in order ________________________.Keys: to lock the door last night to remind me of this to go up and down the stairs often to buy me everything I needed to have a better sleep Step 13 Exercises 将以下复合句转化为简单句。Please tell me where I can find the book.It’s so boring!I don’t know what I can do.The problem is so difficult that we can’t solve it.It’s so hot that people can’t sleep at night.Keys: Please tell me where to find the book.It’s so boring!I don’t know what to do.The problem isn’t easy enough for us to solve.It’s too hot for people to sleep at night.Step 13 Homework Do some exercise on workbook.Remember some useful phrases.