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Unit 3 Sound Body, Sound Mind
Grammar in Use
Learning Objectives
通过本课的学习，学生能够:
1. 通过朗读与观察了解否定前缀与need的用法。
2. 通过总结与练习巩固否定前缀与need的用法。
3. 通过练习活动知道良好的生活习惯对健康的重要性。
Brainstorm
Talk about the questions below.
1. What can make people healthy
Having a healthy diet, doing more sports, staying positive and having a good living habit.
2. What can we do to keep healthy in our daily life
We can eat more fruit and vegetables, play ball games after class, communicate with
friends and so on.
Activity 1
Look at the pictures and read the sentences.
Pay attention to the words in bold.
He became a non-smoker in order to keep healthy.
Seafood may seem to disagree with
some people.
Hamburgers may
taste delicious, but it is unhealthy to eat too many of them.
It is incorrect to do sports with an empty stomach.
Activity 1
Compare the words and guess
the meanings.
smoker
agree
correct
incorrect
healthy
dislike
impossible
nonstop
misplace
uncomfortable
nonsmoker
disagree
unhealthy
The prefixes non-,dis-, un-, mis-, in- and im- usually express
the opposite meaning of the original words.
Fill in the blanks with the correct form of the given words.
dislike
impossible
nonstop
misplace
uncomfortable
1. It is ____________ to keep healthy without good living habits.
2. Don't eat too much junk food, or you will feel uncomfortable.
3. She dislikes ice cream because it's bad for her teeth.
4. My sister’s room is tidy, and she never misplaces her things.
5. We felt very tired after a long and nonstop walk.
Activity 2
impossible
Bad habits do a lot of harm to our health.
Activity 2
Staying up
feel sleepy and tired.
fall ill
forget things easily
......
Activity 3
Read the text and fill in the blanks with the words in the box.
impatient
uncomfortable
improper
nonsense
A(n) __________ habit does a lot of harm to people. For example, staying up late is very bad for people's health. Clearly, they will feel sleepy and impatient
next day. What's worse, people will become nonsense and they may even forget important dates. Sometimes, they will talk uncomfortable
because their minds are not clear. To get rid of the habit, people need to do some sports and sleep early. A healthy body and a clear mind will make them feel good all day.
improper
更糟糕的是
避免、摆脱、除去
Activity 1
Pair work. Read the conversation. Pay attention to need.
What’s the matter with you
You can watch the games online next day. You needn’t stay up. You need to take care of yourself
OK. Thank you
for your advice.
I stayed up to watch the soccer game last night. I need to get some sleep now.
Grammar in Use
Activity 2
Complete the table and learn how to use need.
Need Example
need to do We need ___________ (get) enough sleep every dday.
don't/doesn't need to do The girl is getting well and she doesn't need to take (take) the medicine now.
needn't do Kangkang needn't do (do) the work today. He can hand it tomorrow.
to get
肯定句：need to do
否定句：don’t/doesn’t need to do
needn’t + 动词原型do
Activity 3
Read the sentences and circle the correct words.
1. He (need/needs) to take a break now. He looks so tired.
2. We (need/needn’t) to play sports every day to keep healthy.
3. You (needn’t/don’t need) store so much food in the fridge.
4. You (needn't/don’t need) to worry about your grades. Just relax.
5. Both Maria and Meimei (need/needn’t) to lose weight.
Practice
Choose one bad habit and give suggestions with what you have learned today.
Bad habits
Smoking
Eating too much meat
Playing computer games
......
Worrying about grades
Staying up
e.g., Smoking is an improper habit. We need to stay away from smoking.
Summary
We learn:
1. 表示否定意义的前缀：non-, dis-, un-, mis-, in- and im-；
2. need 的几种用法：need to do/don't need to do/needn't do。
We can:
1. 通过前缀猜测单词意义并正确使用否定意义的单词；
2. 正确使用need相关的短语给出建议；
3. 知道错误的饮食习惯对身体的危害以及如何养成健康的生活习惯。
Good habits, like a bunch of flowers.
良好的习惯，如同一束鲜花。
Homework
You should
use words with opposite meanings to make sentences about eating habits;
use need to give more suggestions about health.
You may
make up a conversation and practice like Activity 1 on page 47.
Thank you!

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