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Unit 5 Play by the rule
第三课时Understanding ideas (语法学习)
1.课时教学目标
通过本课时学习，学生能够：
（1）理解并掌握动词不定式作目的状语；
（2）运用本课时的核心语言讲述与遵守规则有关的故事。
2.核心语言
核心词汇：a touching story, flowerpot, broken, piece, mess, note, say sorry to, honesty, respect, tell the truth, follow the rules, spread, kindness等。
核心语法：动词不定式作目的状语。
3.教学过程
教学目标 学习活动 效果评价
Review 学生回顾上节课的内容，并回答三个问题： Why did the man get on the train Why did the man go to a quiet area Why did the man hold his breath
理解并掌握动词不定式作目的状语。 语法学习 1.学生阅读句子，思考句中加粗部分的结构及含义。 2.学生观察找到的几个句子，归纳出动词不定式作目的状语的用法。 3. 解释动词不定式to do做目的状语的含义和结构，举例子说明。 4. 除了不定式to do做目的状语，还有 in order to do, so as to do 做目的状语。 5. 解释说明to do, in order to do, so as to do 的否定形式和所在位置。 语法运用 （小练身手） 1.完成相关选择题和填空题。 2. 完成活动6，学生运用动词不定式改写句子。 3.学生阅读信件，完成活动7，运用动词不定式完成句子填空。 根据学生的总结情况，评价其是否理解动词不定式作目的状语的结构和用法。 根据学生的完成情况，评价其能否正确运用动词不定式作目的状语。
运用本课时的核心语言讲述与遵守规则有关的故事。 1. 学生阅读活动7 信的内容，回答问题： 1. Who wrote the letter 2. When did the story happen 3. Where did the story happen 4. What did Ms Yu find 5. Who broke Ms Yu’s flowerpot 6. What did the boy do for his mistake 7. What have you learnt from the story 2.学生借助教材活动8的问题及语言支架，参考教师提供的对话示例，构思一个与遵守规则有关的故事。 根据学生的完成情况，评价其能否正确运用本课时的核心词汇、句型和语法谈论与遵守规则有关的故事。根据需要给出必要的指导和反馈。
作业内容： 必做： Summarise your story of following rules into a paragraph. Please include: 1. When did the story happen 2. Where did the story happen 3. What did you do 4. What have you learnt 选做： Share your story of following rules to your family members or your friends.(共17张PPT)
Unit 5 Play by the rules
Grammar
Learning Objectives
After learning this lesson, we will be able to:
master the use of infinitive of purpose.
write sentences with infinitive of purpose.
use infinitive of purpose to share a story of following rules.
1
2
3
Why did the man get on the train
Why did the man go to a quiet area
Why did the man hold his breath
Revision
He got on the train to go home.
He went to a quiet area in order to read.
He held his breath so as to reduce the smell coming from Mr Smelly Food.
Read the sentences from the reading passage and summarise the grammar rules.
(a) I got on the train to go home.
(b) I went to a quiet area in order to read.
(c) I held my breath so as to reduce the smell coming from Mr Smelly Food.
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Now find more sentences with these structures in the reading passage.
(1) I covered my ears in order to block the noise coming from Rock Girl.
(2) I turned around so as to see the other passengers’ faces.
动词不定式作目的状语
1. 含义：表示某一动作或状态的目的(做某事是为了什么)。
否定形式：not to do, “为了不…… / 以免……”
动词不定式作目的状语
人们植树以保护环境。
为了保持健康，他每天锻炼。
2. 结构：主语 + 谓语 + 宾语 + to do +其他。
① People plant trees to protect the environment.
② To stay healthy, he exercises every day.
例句:
③ She closed the window not to let the wind in.
她关上窗户，不让风吹进来。
to do 作目的状语时，既可以放在句尾，也可以放在句首。
为了看日出，我们5点就起床。
我查看地图，以便找到去公园的最短路线。
除了直接使用 to do sth 之外，为了使表达更加清楚或对目的加以强调，我们还可以使用 in order to do sth 和 so as to do sth作目的状语.
我们早早出发，以免错过校车。
否定形式：in order not to do /so as not to do, “为了不…… / 以免……”
① In order to catch the sunrise, we got up at 5 o’clock.
③ I check the map so as to find the shortest way to the park.
⑤ We left early so as not to miss the school bus.
我每天去图书馆是为了学习。
② I go to the library every day in order to study.
我今天早上设了两个闹钟，以免上课迟到。
④ I set two alarms this morning in order not to be late for class.
in order to do 既可以放在句尾，也可以放在句首;
so as to do 只能放在句尾
动词不定式作目的状语也可以和so that 引导的目的状语从句进行转换。
He gets up early to catch the first bus.
= He gets up early so that he can catch the first bus.
他早起，以便能赶上第一班公交车。
① She was sad to hear the bad news.
② I hurried to the station, only to find the train had left.
③ She is too young to go to school alone.
除了作目的状语之外，根据表达的需要，动词不定式还可以作原因状语和结果状语等。
听到这个坏消息，她很难过。
我匆忙赶到车站，却发现火车已经开走了。
她年纪太小，不能独自上学。
动词不定式作原因状语
动词不定式作结果状语
动词不定式作结果状语
一. 选择题。
1. ______ get good grades, Tom studies very hard every day.
A. For B. In order to C. So as to
2. I wrote down the new words ______ forget them.
A. to B. in order to C. so as not to
3. We left the house early ______ catch the first train.
A. to B. so as not to C. in order not to
4. Please double-check your answers ______ make silly mistakes in the exam.
A. to B. in order to C. so as not to
5. ______ wake up his little sister, the boy closed the door quietly.
A. To not B. So as not to C. In order not to
口诀：句末三者皆可去，句首踢掉 so as to；
若要否定加 not，not永远站在to前头。
小练身手
B
C
A
C
C
We will set out early tomorrow morning _________________________ (avoid) the heavy traffic on the main road.
He walked into the quiet library slowly ____________________ (not make) any loud noise.
She practices her spoken English every evening ______________________ (communicate) freely with foreign friends.
4. ____________________ (finish) the group task on time, they often discuss their plans after class.
5. My uncle keeps reading news every day ________________________ (know) what is happening around the world.
二、用 to /in order to /so as to + 括号内动词的正确形式填空。
to/ in order to/ so as to avoid
not to/ in order not to/ so as not to make
to/ in order to/ so as to
communicate
To/ In order to finish
to/ in order to/ so as to know
口诀：句末三者皆可去，句首踢掉 so as to；
若要否定加 not，not永远站在to前头。
Rewrite the sentences with to, in order to or so as to.
1 People wear seat belts in cars. People want to stay safe on the road.
________________________________________________
________________________________________________
2 Sally arrived at the train station before 6:00 am. She needed to catch the earliest train.
________________________________________________
________________________________________________
3 I listened carefully in maths class. I hope to improve my grades.
________________________________________________
________________________________________________
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People wear seat belts in cars to / in order to / so as to stay safe on the road.
Sally arrived at the train station before 6:00 am to / in order to / so as to catch the earliest train.
I listened carefully in maths class to / in order to / so as to improve my grades.
Complete the letter to Story Aunt using the given expressions and the grammar you have learnt.
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Dear Story Aunt,
1___________________________________________________ (I'm writing, share a touching story). Yesterday, 2__________ _____________________________________ (I left my flat, go to work). However, I found my favourite flowerpot broken. 3___________________________________________________ _____ (I picked up the pieces, clean up the mess). Then I saw a note. It was from a boy. He said he broke the flowerpot while playing basketball. 4___________________________________ ________________ (he wrote the note, say sorry to me).
I'm writing to / in order to / so as to share a touching story
I left my
I picked up the pieces to / in order to / so as to clean up the
flat to / in order to / so as to go to work
He wrote the note to / in order to / so as
mess
to say sorry to me
He also left his phone number with some money. His honesty made me respect him. Telling the truth isn't always easy. However, he followed the rules in his heart.
I'm 5________________________________________________ __________ (sharing my story, spread some happiness). In the story, we can see the kindness in small things.
Best wishes,
Ms Yu, from Wenzhou
sharing my story to / in order to / so as to spread some
happiness
Ms Yu.
Yesterday.
In Ms Yu’s flat.
She found her favourite
flowerpot broken.
A boy.
Read the letter and answer the questions.
1. Who wrote the letter
2. When did the story happen
3. Where did the story happen
4. What did Ms Yu find
5. Who broke Ms Yu’s flowerpot
6. What did the boy do for his mistake
7. What have you learnt from the story
He wrote a note to say sorry and
left his phone number with some
money.
I learnt that we should be honest when we
make mistakes.
Dear Story Aunt,
I’m writing to share a touching story. Yesterday, I left my flat to go to work. However, I found my favourite flowerpot broken. I picked up the pieces to clean up the mess. Then I saw a note. It was from a boy. He said he broke the flowerpot while playing basketball. He wrote the note to say sorry to me. He also left his phone number with some money. His honesty made me respect him. Telling the truth isn’t always easy. However, he followed the rules in his heart.
I’m sharing my story to spread some happiness. In the story, we can see the kindness in small things.
Best wishes,
Ms Yu, from Wenzhou
Do you have any stories about rules
Work in pairs. Share a story of following rules. Use the words and expressions from the reading passage and the Useful expressions to help you.
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When did the story happen
Where did the story happen
What did you do
What have you learnt
Must do:
Summarise your story of following rules into a paragraph. Please include:
1. When did the story happen
2. Where did the story happen
3. What did you do
4. What have you learnt
Choose to do:
Share your story of following rules to your family members or your friends.
Homework

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