(共20张PPT)
Unit 1
Friends
Grammar
worse adj.(bad的比较级)更差,更糟,更坏
worst adj.(bad的最高级)最差,最糟,最坏
height n.高,高度
weight n.重量
sec. abbr. (= second)秒
competition n.竞赛,比赛,竞争
test n.测试,考查
swimmer n.游泳者
New words
[w :s]
[w :st]
[ha t]
[we t]
[ k mp t n]
1.The bike is_____.
2.The car is______.
3.The plane is_________.
fast
fast
faster
the fastest
fast – faster – fastest
adjectives comparatives superlatives
short
long
shorter
shortest
longer
longest
tall, smart, slow, etc.
①在大多数短形容词词尾加er变成比较级,加est变成最高级。
Beijing is larger than Hangzhou.
Which city is larger, Hangzhou or Beijing
2.A be +比较级 than B.
1. Which … be+比较级 , A or B
large
large – larger – largest
nice
late
fine
nicer
nicest
later
latest
finer
finest
② 以字母e结尾的短形容词,只加r或st变成比较级或最高级
3.The black and white dog is___________.
1.The white dog is_______.
happy
2.The yellow dog is_______.
happy
happier
the happiest
happy – happier– happiest
heavy
pretty
heavier
heaviest
busy, lazy, etc.
prettier
prettiest
③以辅音字母加y结尾的短形容词,先把y变成i再加er或est.
The first pig is_____.
The third one is_________.
The second pig is_____.
fatter
fat
fat
the fattest
fat – fatter – fattest
thin
slim
thinner
thinnest
slimmer
slimmest
big, hot, wet, etc.
④一个原音字母加一个辅音字母结尾的,并且是重读闭音节结尾的短形容词,双写这个辅音字母,再加er或est
beautiful
Hangzhou is more beautiful than Shanghai.
Which city is more beautiful, Hangzhou or Shanghai
1.Which …be +比较级, A or B
2.A be+比较级 than B.
beautiful – more beautiful
– most beautiful
interesting
friendly
more interesting
most interesting
more friendly
most friendly
helpful, generous, polite, etc.
⑤ 在长形容词前加more变成比较级,加most变成最高级。
句型结构
comparatives(比较级):
superlatives(最高级):
1.Sth. be the +最高级 +范围(in…/of…).
2.Which …be the +最高级, A, B or C
1. A be+比较级 than B.
2.Which …be +比较级, A or B
构成方法 原级 比较级 最高级
long
few
cheap longer
fewer
cheaper longest
fewest
cheapest
nice
safe
late nicer
safer
later nicest
safest
latest
big
hot
thin bigger
hotter
thinner biggest
hottest
thinnest
pretty
unhappy
heavy prettier
unhappier
heavier prettiest
unhappiest
heaviest
大部分单音节词在词尾加-er或-est
以字母e结尾的词,加-r或-st
重读闭音节词只有一个辅音字母时,应先双写辅音字母,再加-er或-est
以辅音字母+y结尾的双音节词,先改“y”为“i”,再加-er或-est
Form Comparatives and Superlatives
构成方法 原级 比较级 最高级
nervous
clearly
dangerous
frightened more nervous
more clearly
more dangerous
more frightened most nervous
most clearly
most dangerous
most frightened
不规则变法
good / well better best
bad /badly/ill worse worst
many/much more most
little less least
far farther(更远的) farthest
further(进一步的) furthest
old older / elder oldest / eldest
部分双音节词和多音节词在前面加more或most
A Daniel is writing about is classmates. Help him complete
the following table with the correct adjectives.
Adjective Comparative Superlative Adjective Comparative Superlative
clean cleaner cleanest thin
big sad
cute difficult
short interesting
happy good
lazy bad
bigger
biggest
cuter
cutest
shorter
shortest
happier
happiest
lazier
laziest
thinner
thinnest
sadder
saddest
more
difficult
most
difficult
more
interesting
most
interesting
better
best
worse
worst
Daniel has made a profile of his classmates. Read the profile and
complete his notes.
Millie Sandy Amy Peter Kitty Simon
Height(cm) 157 170 160 173 155 171
Weitht(kg) 45 50 44 55 40 53
50 m swimming( sec.) 40 38 30 34 36 35
Drawing competition 9/10 10/10 9/10 5/10 6/10 8/10
English test 10/10 8/10 9/10 6/10 8/10 7/10
Simon is __________ (tall) Kitty.
Peter is __________ (tall) student of the six students.
Sandy is _____________ (heavy) Millie.
Peter is ____________ (heavy) student of the six students.
Among the six students, Millie is __________ (slow) swimmer.
taller than
the tallest
heavier than
the heaviest
the slowest
6. Amy is ___________ (fast) swimmer of the six students.
7. Millie’s drawing is ___________________ (beautiful) Peter’s.
Sandy’s drawing is ___________________ (beautiful) in her class.
Millie’s English is _____________ (good) Simon’s. Millie’s English is _________in her class .
more beautiful than
the most beautiful
the fastest
better than
the best