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(共22张PPT)
Play by the rules
Unit 5
Understanding ideas—
Grammar
By the end of the class, we will be able to：
1. perceive the form and understand the meaning of infinitive of purpose.
2. summarise the grammar rules of the infinitive of purpose.
3. use the infinitive of purpose to tell a story about following rules and realise the importance of following rules.
4. use the key language points and the infinitive of purpose correctly in real-life context.
Learning Objectives
Perceive the form
What do they have in common
I got on the train to go home.
I went to a quiet area in order to read.
I covered my ears in order to block the noise.
I covered my nose so as to reduce the smell.
I turned around so as to see the other passengers’ faces.
They all have the structure:
______________.
We call it _________________.
to do sth
to-infinitive
I got on the train to go home.
I went to a quiet area in order to read.
I covered my nose so as to reduce the smell.
Understand the meaning
When can we use to-infinitive
We use to-infinitive to express our purposes.
infinitive of purpose
I got on the train. I wanted to go home.
I went to a quiet area. I wanted to read.
I covered my nose. I hoped to reduce the smell.
These are all my _____________.
purposes
Observe the rule 1
We can use to, in order to, so as to to express our purposes, but what’s the difference
I got on the train to go home.
I went to a quiet area in order to read.
I covered my nose so as to reduce the smell.
To go home, I got on the train.
In order to read, I went to a quiet area.
We can put “to/in order to-infinitive” in both the ____________ and the ___________. When it’s in the beginning, we should use a “______”. But we can only put “so as to-infinitive” in the __________.
beginning
middle
middle
,
Practice
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.
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.
To/In order to stay safe on the road, people wear seat belts in cars.
To/In order to catch the earliest train, Sally arrived at the train station before 6:00 am.
To/In order to improve my grades, I listened carefully in maths class.
/belt/
/ ste n/
Observe the rule 2
I went to a quiet area in order to read.
I covered my nose so as to reduce the smell.
I put on the coat in order not to catch a cold.
I covered my ears so as not to hear the loud music.
positive form
negative form
The “in order to/so as to-infinitive” also has the negative form. We only need to add a “_________” before “__________”.
not
to
Complete the letter to Story Aunt, using the notes in brackets and the grammar you have learnt.
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). 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
I’m writing to share a touching story
I left my flat to go to work
I picked up the pieces to clean up the mess
He wrote the note to say sorry to me
sharing my story to spread some happiness
/ fla p t/
/mes/
/ n sti/
/r spekt/
/spred/
honest-honesty
bread head
Before writing to Story Aunt, let’s share your story about rules in groups first.
When did the story happen
Where did the story happen
What rules did you follow
What did you do to follow the rules
Useful expressions:
Once... I...; Please...
I love doing…in order to…
People have to...
I tried to...
This rule is useful because...
From this experience, l have learnt that...
What have you learnt
Check your presentation
Tell a story about rules
Language correct form(形式正确)
accurate meaning(意义精确)
proper use(使用恰当)
Content completeness(完整)
Performance confidence(自信)
OK Good Excellent
Follow the rules or follow the fools.
1. I’m writing to share a touching story...
touching在这里作形容词，意为“感人的；动人的；令人同情的”，是touch的现在分词。同义词为moving。
It was a touching story that moved many of us to tears.
那是一个让我们许多人感动落泪的动人故事。
2. I picked up the pieces to clean up the mess.
pick up 作为及物动词，在这里意为“捡起，拾起”。它还有其他意思，如“（通常指开车）接；（不费力地）获得，学会”。
常见例句：
We drove to the airport the next morning to pick up Susan.
我们第二天早晨开车去机场接苏姗。
Where did you pick up your English
你在哪儿学的英语？
2. I picked up the pieces to clean up the mess.
mess作为名词，在这里意为“混乱，脏乱”。clean up the mess意为“清理脏乱”。mess是可数名词, 通常用单数形式。常用词组为be in a mess。
常见例句：
Your room is in a mess. You need to keep your room tidy!
你的房间一团糟。你需要保持房间整洁！
3. Telling the truth isn’t always easy.
tell the truth在这里意为“讲真话，说出真相”。常常用to tell the truth”放在句首作为状语，表示“说实话”。
常见例句：
To tell the truth, I fell asleep in the middle of her talk.
说实话，我在她讲话过程中睡着了。
一、连线
1. I always carry a water bottle with me
2. She studies hard every day
3. He turned off the TV early
4. They closed the windows
5. She speaks loudly
6. They saved money for months
a) in order to buy a new bicycle.
b) to stay healthy.
c) in order to get good grades.
d) in order not to get a cold.
e) in order not to be late.
f) to be heard clearly.
1. Rick took some delicious food and fruit __________(visit) his friend in hospital.
2. In winter, the birds fly to the south __________(find) a warm and sunny place.
3. We have to study hard _________(make) our country stronger.
4. __________(arrive) at school early, he ran out for the first bus.
5. We can put up some notices _________(tell) people to keep the park tidy and clean.
二、用所给词的正确形式填空
to visit
to find
to make
To arrive
to tell
1. 我来这儿是向你告别的。
I come here ______________ to you.　
2. 为了赶上火车，我起得很早。
I got up very early _________________________.
3. 为了不迟到，她每天赶着去学校。
She hurries to school every day _____________________________.
4. 为了攒钱在上海买一栋房子，他努力工作。
He works hard to save money ______________________ in Shanghai.
5. 为了不错过校车，我不得不起得很早。
_______________________________, I have to get up very early.
三、完成句子
to say goodbye
in order to catch the train
so as to buy a house
in order not to be late for school
In order not to miss the school bus
Write down your story about rules with the target grammar. learnt.
Basic homework
Practical homework
Finish the exercise book.
Extended homework
Try to search for more stories about rules and share them in the class.

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