Unit 4 Amazing Plants and Animals Section A Grammar 课件(共21张PPT)

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Unit 4 Amazing Plants and Animals Section A Grammar 课件(共21张PPT)

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(共21张PPT)
Grammar in Unit 4
---the superlative degree 最高级
Learning objectives 学习目标
After the class, you'll be able to:
1. understand the rules of the superlative degree.
2. turn adjectives and adverbs into their superlative degree.
3. use the superlative degree to make sentences correctly.
Review
the comparative degree 比较级
rules
① 直接加er (tall-taller)
②以e结尾加r (large-larger)
③重读闭音节,且以一个辅音字母结尾,双写这个辅音字母再加er (big-bigger)
④辅音字母加y结尾,改y为i,再加er (easy-easier)
⑤多音节词和部分双音节词,加more, (interesting - more interesting)
李华
小明
Li Hua is taller than Xiao Ming.
Let's compare
李华
小明
Li Hua is taller than Xiao Ming and Xiao Qiang.
小强
李华
小明
Li Hua is taller than Xiao Ming and Xiao Qiang and Xiao Gang .
小强
小刚
李华
小明
Xiao Gao is taller than Li Hua, Xiao Ming, Xiao Qiang and Xiao Gang .
小强
小刚
小高
......
The sentence is too long!
Xiao Gao is the tallest in the group.
最高级
Xiao Gao is the tallest in the group.
Xiao Gao is taller than Li Hua, Xiao Ming, Xiao Qiang and Xiao Gang .
What's the difference
比较级:be + 形容词比较级+ than
最高级:be + the + 形容词最高级 + 范围
比较级:be + 形容词比较级+ than
最高级:be + the + 形容词最高级 + 范围
tall-taller-tallest
比较级 :加er
最高级 :加est
① 直接加est (tall-tallest)
②以e结尾加st (large-largest)
③重读闭音节,且以一个辅音字母结尾,双写这个辅音字母再加est (big-biggest)
④辅音字母加y结尾,改y为i,再加est (easy-easiest)
⑤多音节词和部分双音节词,加most (interesting- most interesting)
Let's practise!
写出下列形容词对应的最高级形式
shy- shyer
lazy- lazier
loud- louder
outgoing- more outgoing
shy-
lazy-
loud-
outgoing-
shyest
laziest
loudest
most outgoing
Xiao Gao is ____________ in the group.
Xiao Gang is ________________ in the group.
Xiao Hong's hair is ___________ in the group.
the tallest
the shortest
the longest
使用最高级时,要注意与定冠词the连用
blue whale 蓝鲸
The blue whale is __________________ animal in the world.
(big/large/heavy)
the biggest
cheetah 猎豹
The cheetah runs __________________ among all land animals. (fast)
the fastest
最高级:表示三者或三者以上(人或事物)的比较,其中有一个在某一方面超过其他几个,后面可用带有of, in, among的短语来说明前面比较的范围。形容词的最高级前一般要加定冠词the,副词最高级前的the可以省略。
The blue whale is the largest and heaviest animal in the world.
In my country, July is the hottest month of the year.
The cheetah runs (the) fastest among all land animals.
原级 比较级 最高级
good/well better best
bad/badly worse worst
many/much more most
little less least
far farther further farthest
furthest
形容词副词不规则变化
Exercise 练习
1. The blue whale is ______________(large) animal in the world.
It is also _____________ (heavy) animal on earth.
2. The cheetah runs _____________(fast) among all land animals.
3. Moss is one of _____________(old) plants in the world.
4. The red wood is ______________(tall) tree in the world.
the largest
the heaviest
the fastest
the oldest
the tallest
large-largest
heavy-heaviest
fast-fastest
old-oldest
tall-tallest
one of the +最高级 + 可数名词复数 最...之一
The magic mirror told the queen, "_____________________________________________________"
(白雪公主是世界上最美丽的女人)
Snow White 白雪公主
Snow White is the most beautiful woman in the world.
the Yangtze River 长江
长江是世界上最长的河流之一
The Yangtze River is one of the longest rivers in the world.
one of the +最高级 + 可数名词复数 最...之一
shark n.鲨鱼
endangered adj.濒临灭绝的
鲨鱼是世界上最濒危的动物之一
The shark is one of the most endangered animals in the world.
Summary
最高级的变化规则:
① 直接加__________
②以e结尾加___________
③重读闭音节,且以一个辅音字母结尾,________________________
④辅音字母加y结尾,________________________
⑤多音节词和部分双音节词,______________________
est
st
双写这个辅音字母再加est
改y为i,再加est
前面加上 most
最高级要与________连用
the
See you next time!

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