(共20张PPT)
Unit 6
Birdwatching
Period 5
Study skills
新
课
导
入
Review
1. The government had better ______ (take) action _________ (prevent) air pollution.
2. Binoculars can help you see ________(clear).
3. It takes hours __________ (watch) the birds.
4. Take a pair of sunglasses with you __________(protect) your eyes.
5. The gym is about 500 square metres in _______(area).
take
to prevent
clearly
to watch
to protect
area
用所给单词的适当形式填空。
Language Goal
新知学习
课堂小结
当堂检测
学习目标
重点研讨
1. 能熟悉并正确运用本课时的重点单词和短语。
2. 能掌握在一些词后加后缀-er、-or和-ist构成表
示人的名词的方法。
新知学习
课堂小结
当堂检测
学习目标
重点研讨
We can add -er, -or and -ist to some words to form nouns for people.
The suffixes -er, -or and -ist
Verb / Noun + Suffix Noun
speak + er speaker
visit + or visitor
tour + ist tourist
Tip:
Sometimes we need to change the ending of the verb / noun when we add the suffix.
dance dancer
win winner
piano pianist
science scientist
新知学习
课堂小结
当堂检测
学习目标
重点研讨
Change the following words into nouns for people by adding the correct suffixes. You may use a dictionary to help you.
A
▲
1 act __________ 6 play ____________
2 art __________ 7 report ____________
3 drive __________ 8 science____________
4 farm __________ 9 work ____________
5 paint __________ 10 write ____________
actor
player
artist
reporter
driver
scientist
farmer
worker
painter
writer
新知学习
课堂小结
当堂检测
学习目标
重点研讨
Complete the following sentences with the correct nouns of the words in brackets. Use the plural form if necessary.
B
▲
Birds are ________ (sing). They can make beautiful sounds. Some _______ (act) can make different bird sounds. It is very interesting.
singers
actors
新知学习
课堂小结
当堂检测
学习目标
重点研讨
A lot of _________ (tour) go to the wetlands to watch the birds every year. There are many _______ (visit) at bird shows too. Some ________ (art) like to paint birds. The birds in their pictures are really beautiful. Some _______ (write) like to include birds in their poems too.
Birds are part of out lives. They are our friends.
tourists
visitors
artists
writers
-er, -or 和 -ist后缀
新知学习
课堂小结
当堂检测
学习目标
重点研讨
我们可以在一些单词后面加上-er, -or和-ist来构成关于人的名词。
1. -er后缀的三种添加方式:a.直接加-er;b.以-e结尾的单词加-r;c.双写最后一个字母再加-er
player
play
sing
singer
speaker
speak
cleaner
clean
teach
teacher
worker
work
a.
新知学习
课堂小结
当堂检测
学习目标
重点研讨
dancer
dance
write
writer
driver
drive
有e+r
smoker
smoke
b.
runner
run
win
winner
robber
rob
双写+er
traveller
travel
c.
新知学习
课堂小结
当堂检测
学习目标
重点研讨
2. -or后缀的两种添加方式:a.直接加-or;b.以-e结尾的单词去e加-or
visitor
visit
invent
inventor
actor
act
profess
professor
director
direct
conduct
conductor
a.
新知学习
课堂小结
当堂检测
学习目标
重点研讨
operator
operate
educate
educator
有e去e+or
b.
新知学习
课堂小结
当堂检测
学习目标
重点研讨
3. -ist后缀的五种添加方式:a.直接加-ist;b.以-cs结尾的单词去s加-ist;c.以-y结尾的单词去y加-ist;d.以-e结尾的单词去e加-ist;e.以-o结尾的单词去o加-ist
tourist
tour
art
artist
violinist
violin
novelist
novel
a.
新知学习
课堂小结
当堂检测
学习目标
重点研讨
去y+ist:
physicist
physics
biologist
biology
去s+ist:
typist
type
piano
pianist
去e+ist:
去o+ist:
b.
c.
d.
e.
新知学习
课堂小结
当堂检测
学习目标
重点研讨
cooker
cook
calculate
calculator
connector
connect
但是后面加-er 、-or的名词并不是都是表示人的名词
例如:
炊具
计算器
连接器
新知学习
课堂小结
当堂检测
学习目标
重点研讨
我们也可以加-ian, -ess, -eer,-ress来形成与人有关的名词。
physician
physics
politics
politician
historian
history
library
librarian
n. + ian =n. (以cs结尾去s;有y去y)
内科医生
政治家
历史学家
图书管理员
新知学习
课堂小结
当堂检测
学习目标
重点研讨
goddess
god
host
hostess
engineer
engine
mountain
mountaineer
n. + ess =n. (单辅音字母结尾要双写)
女神
女主人
工程师
登山家
n. + eer →n. (e结尾+er)
新知学习
课堂小结
当堂检测
学习目标
重点研讨
actress
act
elect
electress
waitress
wait
protect
protectress
v. + ress = n.
女演员
女选举人
女服务员
女保护者
新知学习
重点研讨
课堂小结
当堂检测
学习目标
Unit 6
Period 5
后缀-er, -or 和 -ist:
在一些词后面加上-er, -or 和 -ist可以形成与人有关的_______。
重点单词和短语:
speaker, tour, make beautiful sounds
名词
新知学习
课堂小结
当堂检测
学习目标
重点研讨
一、写出下列单词的名词形式。
sing ____________ farm _____________
invent __________ climb_____________
village _________ wait ______________
cut ____________ stop ______________
piano___________ train ______________
singer
farmer
inventor
climber
villager
waiter/waitress
cutter
stopper
pianist
trainer
新知学习
课堂小结
当堂检测
学习目标
重点研讨
二、用所给单词的适当形式填空(可借助字典)。
1.I'm the school's ________ (library). I take care of the books.
2.Helen is a very well-known ________ (novel) in Australia.
3.He adored her as a ________(god).
4.She's a very great dramatic ________ (act).
5.She was a ________ (volunte).
librarian
novelist
goddess
actress
volunteer