资源简介

(共21张PPT)
Unit 4 Hands-on fun
(Word power)
Learning objectives
By the end of the class, you will be able to:
1.know something about the prefixes and the formation of words(构词法).
2.add the prefixes un-, in-, and im- to form new adjectives to express negative meanings.
3.have a deep understanding of the formation of words, use the adjectives with prefixes un-, in-, and im- to express your own experiences.
学习理解
应用实践
迁移创新
DIY can make common things uncommon and unusual.
Andrew’s DIY story
put in a brighter light
put up a picture on the wall
hit a pipe
fill the room with water
have a power cut
make a mistake
not correct
= incorrect
Revision
Andrew’s DIY story
It’s not comfortable to stay in the room with so much water on the floor.
Andrew made some mistakes when doing DIY. He thought he was just not lucky.
After reading many books and taking an online DIY course, now it’s not possible for Andrew to fail to do DIY jobs.
= impossible
= uncomfortable
= unlucky
Presentation
un-/in-/im- + adj. adj.
opposite(相反的)
“not”
the formation of words 构词法
prefixes
tidy—untidy
safe—unsafe
clear—unclear
happy—unhappy
certain—uncertain
healthy—unhealthy
friendly—unfriendly
important—unimportant
comfortable—uncomfortable
...
prefix—“un-”
more examples:
un- + most adj.
balanced — imbalanced
modest — immodest
polite — impolite
possible — impossible
personal — impersonal
...
prefix—“im-”
more examples:
im- + adj. starting with /b/ /m/ /p/
Attention: pleasant — unpleasant
popular — unpopular
correct — incorrect
complete — incomplete
direct — indirect
formal — informal
valuable — invaluable
...
prefix—“in-”
more examples:
in- + some special adj.
Practice
Use a dictionary when you are not sure of the prefix.
Learn the words with the prefix in- by heart.
Practice
uninteresting
unsure
unable
unfriendly
inactive
impatient
inexpensive
imperfect
Application
1.The seat is hard and _____________(comfortable) to sit on.
2.Your pronunciation is _________(correct). You should practise more.
3.It’s ________(polite) to cut in on others when they are talking.
4. __________(healthy) food does harm to people.
5.Mike’s bedroom is so _______(tidy) that his mother is rather angry about it.
uncomfortable
incorrect
impolite
Unhealthy
untidy
Add the correct prefixes to the words and fill in the blanks.
Application
Add the correct prefixes to some of the adjectives so that the sentences make sense.
1. Annie: Do you spend a lot of time doing outdoor sports
Simon: Sure. It’s usual for me to stay at home all day.
2. Sandy: Our neighbour next door is putting something on
the wall.
Mum: It’s possible to sleep with all that noise.
3. Mille: Are you able to fix your bicycle, Andy
Andy: No. I’m certain that I can fix it myself.
unusual
impossible
uncertain
Practice
unusual
impatient
impossible
untidy
incorrect
Suzy’s DIY story
My cousin Andrew is crazy about DIY. But I am _____________ (interested) in DIY because I am ___________(confident) of myself. I am a little _________(patient) and _________ (willing) to try new things. However, Andrew sets a good example for me. At first, Andrew made some mistakes so his DIY jobs were _________(correct). But he didn’t lose heart. He bought many books about DIY and took an online DIY course. Now he knows his way around all kinds of DIY. No DIY job seems _________ (possible) to him. With his encouragement, I decide to try food making. I follow the instructions from an online video when making a fruit salad. But when I finish, I am _______ (happy) to find that it looks terrible. But I don’t give up. I get the ideas from my mum. I shouldn’t leave the fresh apple in the air for a long time. So I try a second time. This time everything seems ________(usual) and perfect. I find DIY fun and interesting!
uninterested
unconfident
impatient
unwilling
incorrect
unhappy
impossible
unusual
Application
Add the correct prefixes to the words and finish Suzy’s DIY story.
When we talk about activities in our free time, most people think of dining out or watching movies. However, a survey (调查) shows that more and more young people are getting into DIY work.
● How popular are DIY activities among the surveyed people
Having tried DIY activities 80.5%
Interested in DIY activities over 40%
● Popular DIY activities :
● Why do they enjoy DIY activities
62.8% Love the beauty of traditional culture
49.4% Learn a new handicraft (手工艺) skill
48.5% Enjoy showing their ideas
46.5% Find it fun
Production
Work in groups
My DIY story
At first, I________________________________
But now ________________________________
I enjoy DIY because_______________________
I think__________________________________
Summary
un-/in-/im- + adj. adj.
opposite(相反的)
prefixes
un- + most adj.
im- + adj. starting with /b/ /m/ /p/
in- + some special adj.
the formation of words 构词法
Assessment
What I can do Me
1. I know something about the prefixes and the formation of words.
2. I can add the prefixes un-, in-, and im- to form new adjectives to express negative meanings.
3. I have a deep understanding of the formation of words and I am able to use the adjectives with prefixes un-, in-, and im- to express my own experiences.
Put a √ in the box if you think you can do it.
Result:
Weak
Good
Wonderful
I need to spend more time on _______________________________________.
Homework
For all:
For some:
1.Review the prefixes and adjectives learned in this lesson, master the rules and use them in your study.
2.Finish your own DIY story with the adjectives starting with un- , in-, and im- and share it with others.
Look for other prefixes with the meaning of “not”.
Prefix
Example(s)
学习理解
应用实践
迁移创新
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