Module 12 Save our world Unit 3 Language in use 课件(共15张PPT)

(共15张PPT)
Module 12 Save the world
To summarize and consolidate the rules of word building
Learning objectives
Reuse means “use again”.
Though pollution is heavy now, I don’t think it’s hopeless.
Language Practice
英语构词法
1. 合成法： 将两个或两个以上独立且语义不同的单词合在一起构成新词的方法。
可以合成名词，形容词，副词，代词，动词等。
合成名词： afternoon; sportsman; blackboard; newspaper; airplane classmate; playground; football.....
合成动词： download; overcome......
合成形容词：hard-working; world-famous; warm-hearted
合成副词：sometimes; upstairs; downstairs
Grammar
2. 派生法：通过在词根前加前缀或在词根后加后缀构成一个新词的方法。
前缀 含义 例词
dis 不 disagree; dislike; disagree; dishonest
en 使处于某种状态 enable; enrich
im 不 impossible; impatient; impolite
in 不 incorrect
inter 相互 international;Internet
non 不 nonsense; non-native
re 再；重复 rewrite; retell
un 不 unable; unhappy
mis 错误地 misunderstand; mislead
后缀 功能 例词
er 构成名词 teacher; worker
or visitor; creator; inventor
ian musician; physician
ing building; meaning
ist artist; pianist
ment agreement
ness illness; darkness
th 构成名词 truth; warmth
tion education; invitation
ty safety; activity
ly 构成副词 badly; happily
teen 构成数词 nineteen; fifteen
ty ninety; forty
th ninth; fifth
able 构成形容词 comfortable; enjoyable;
ible possible
al national; traditional
ful careful; harmful
ive active; creative
less careless; hopeless
ly friendly; lonely; lovely
ous dangerous; famous
A -able -ful im- -less re- un-
B care- collect- hope- -possible -used
-usual -wanted waste-
careful
careless
collectable
hopeful
hopeless
impossible
unused
reused
unusual
unwanted
wasteful
Make new words. Join the parts of words in Box A with the words in Box B. You need to use some of the parts more than once.
1
English for Fun
Work in groups. Play the guessing game English for Fun .
1. full of care_________ 2. can be collected ________ 3. full of hope _________ 4. without any hope ________
5.not possible_________ 6. not usual__________
7.not used___________ 8. used again__________
9. not wanted_________
10. making a lot of waste________
careful
collectable
hopeful
hopeless
impossible
unusual
useless
reuse
unwanted
wasteful
hopeful, impossible, reuse, unhealthy, wasteful
1. Polluted water is ______________.
2. It is ____________ to throw so much food away.
3. Many things can be _______if you look after them well.
4. It was ____________ to clean up the whole river in such a short time.
5. If we pay attention to pollution now, the future will be _________.
unhealthy
wasteful
reused
Complete the sentences with the words in the box.
2
impossible
hopeful
Noun Verb Adjective Adverb
useful/useless
hope hopefully/
hopelessly
pollution —
water — —
waste
— — usually/
unusually
hope
hopeful/hopeless
pollute
polluted
water
waste
wasteful
wastefully
usual
Complete the table.
3
use
usefully
usage
She was_________ that her new job would make her more successful.
hopefully
The factory ___________the river, and the fish died.
2. We often walk in the countryside. It is a(n) _______ activity for us.
3. Do not use so much water. It is very __________.
4. To keep the flowers growing, you need to________them once a day.
polluted
usual
wasteful
water
4
Complete the sentences with the correct form of the words in Activity 3.
GOOD JOB