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(共23张PPT)
Grammar
Unit 1 Friendship
Read the sentences below and pay attention to the use of comparative and superlative adjectives.
Betty’s hair is longer than mine.
Max is more interesting than his classmates.
Betty is the most helpful person in our class.
Max is the tallest boy in our class.
We use comparative adjectives +than to compare _________ people or things; we use the + superlative adjectives to compare _________ or more people or things.
Work out
the rule!
two
three
We form comparative and superlative adjectives like this:
Adjective Comparative Superlative
Most short adjectives + er + est
long
small → longer
→ smaller → longest
→ smallest
TIP
Short adjectives are adjectives with one or two syllables: clean heavy
Adjective Comparative Superlative
Short adjectives ending in e + r + st
fine
nice → finer
→ nicer →finest
→ nicest
Short adjectives ending in a
consonant + y -y + ier -y + iest
tidy
pretty → tidier
→ prettier → tidiest
→ prettiest
Adjective Comparative Superlative
Short adjectives ending in a
vowel + a consonant double the
consonant+ er double the
consonant+ est
big
slim → bigger
→ slimmer → biggest
→ slimmest
Adjective Comparative Superlative
Long adjectives more + most +
beautiful
wonderful → more beautiful
→ more wonderful → most beautiful
→ most wonderful
TIP
Long adjectives are adjectives with three or more syllables: beautiful interesting
TIP
We can add-(e)r/-(e)st or more/most to the following adjectives with two syllables: clever handsome polite simple stupid
Adjective Comparative Superlative
Irregular adjectives replace the word replace the word
good
bad → better
→ worse /w s/ → best
→ worst /w st/
Adjective Comparative Superlative
funny
close
beautiful
kind
A Complete the table with the correct comparative and superlative adjectives.
funnier funniest
closer closest
more beautiful most beautiful
kinder kindest
Adjective Comparative Superlative
slim
difficult
smart
cute
pretty
bright
slimmer slimmest
more difficult most difficult
smarter smartest
cuter cutest
prettier prettiest
brighter brightest
Adjective Comparative Superlative
interesting
sad
wonderful
heavy
good
bad
more interesting most interesting
sadder saddest
more wonderful most wonderful
heavier heaviest
better best
worse worst
Millie Sandy Amy Peter Kitty Simon
Height /ha t/ (cm) 161 170 158 173 160 178
Weight (kg) 47 50 45 55 44 53
Drawing score 89 93 87 74 78 88
50m swimming (sec.) /sek/ 80 76 60 68 70 65
Standing long jump(cm) 190 195 180 220 185 230
B Daniel has made some notes about his plete his notes below.
1 Peter is shorter than (short) Simon.
2 Simon is ____________ (tall) of the six students.
3 Amy is _____________ (light) Sandy.
4 Peter is _____________ (heavy) of the six students.
5 Among the six students, Millie is ____________ (slow) swimmer.
the tallest
lighter than
the heaviest
the slowest
6 Amy is ____________ (fast) swimmer of the six students.
7 Millie’s drawing score is ____________ (high) Peter’s.
8 Sandy’s drawing score is ____________ (high) of the six students.
9 Simon’s test /test/ score for standing long jump is ____________ (good) Peter’s. Simon’s test score for standing long jump is ___________ (good) of the six students.
the fastest
higher than
the highest
better than
the best
C Describe your friends, including their looks and what they are good at, using comparative and superlative adjectives.
My friend Jack is the tallest in our class. He is better at math than me, and he always finishes homework faster than anyone else.（答案不唯一）
1 worse /w s/ adj.（bad 的比较级）更差的（教材P12）
(观察)· The weather today is worse than yesterday.
今天的天气比昨天更糟。
· The situation is getting worse. 情况正在变得更糟。
· Don’t argue with him; it will only make things worse.
别和他争论，这只会让事情更糟。
探究 核心单词
· I missed the bus, and what was worse, it started to rain.
我错过了公交车，更糟糕的是，天开始下雨了。
· She felt the worst after the long journey.
长途旅行后，她感觉最糟糕。
归纳拓展
worse 是形容词 bad 的比较级形式，而worst 是其最高级形式。
常见短语有：get worse（变得更糟）；make things worse（使事情更糟）；what’s worse(更糟糕的是) 等。
学会运用1: —What _______ weather!
—Yes. The radio says it will be even _______ tomorrow.
A. bad; better B. a bad; worse
C. bad; worse D. worse; worst
学会表达2: 更糟糕的是，除了那些年迈的糖画家，似乎很少有人愿意传承这门艺术。
_________ _________, few people seem to be willing to pass on the art except those aging sugar painters.
C
What’s worse
2 height /ha t/ n. 身高；高度（教材P13）
(观察)· The height of the mountain is 2,000 meters.
这座山的高度是2000 米。
· At the height of his career, he was very famous.
在他事业的顶峰时期，他非常有名。
· The tree is about 10 meters in height. 这棵树的高度大约为10 米。
· The airplane reached a height of 10,000 meters.
飞机达到了10000 米的高度。
归纳拓展
height 是形容词high 的名词形式，意为“高度”。
high 既可作形容词，也可作副词。形容词high 的另一副词形式为highly，意为“高级地；大量地；很；非常”。
由height 构成的短语有：the height of... ……的高度；at the height of... 在……的顶峰；in height 高度；reach a height of... 达到……的高度等。
学会运用3: —On April 25, 2024, China’s Shenzhou- 18 spacecraft (宇宙飞船) flew in to space successfully.
—Wow, China’s space technology has reached a new ______.
A. method B. energy C. height D. industry
学会表达4: 上海中心大厦是中国最高的建筑，高632 米。
Shanghai Tower is _________ _________ building in China, which is 632 metres _________ _________.
C
the highest
in height

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