Unit 3-4 形容词比较级最高级复习课件(共30张PPT) 人教版八年级英语上册

(共30张PPT)
形容词(adj.)副词(adv.)
比较级最高级
是修饰名词（人或事物），表示名词的性质，特征或属性一种词类。它在句中作定语、表语和宾语补足语。
形容词
(adjestives)
副词
(adverbs)
用来修饰动词、形容词及其他副词的词叫副词。副词在句中多作状语。
形容词和副词的概念
形容词(adj.)副词(adv.)基本用法
形容词：
副词：
形容词与副词的转换：
1.be动词/感官动词(系动词)+形容词(表语)
2.形容词(定语)+名词
实义动词+副词(动副结构)
1.直接加ly, quiet—quietly; careful—carefully
2.辅音+y结尾，改y为i，再加ly, happy—happily
3.去e加ly, true—truly, comfortable—comfortably
fine weather
big trees
taste great
sing well
run fast
jump high
work hard
形容词(adj.)副词(adv.)比较级和最高级语法总结
大多数形容词和副词有三个等级：
1.________, _________
2.________, ______________________________
3.________, ________________
形容词和副词的比较级和最高级的构成：
1.规则变化
2.不规则变化
原级 即原形
比较级 表示“较……”或“更……一些”
最高级 表示“最……”
Look at the pictures and understand
看图并理解
big
bigger
Look at the pictures and understand
看图并理解
big
bigger
biggest
Look at the pictures and understand
看图并理解
fast
faster
Look at the pictures and understand
看图并理解
fast
faster
fastest
规则变化构成方式 原 级 比 较 级 最 高 级
单音节词和少数多音节词 一般在词尾加-er/ /或-est/ist/ cold colder coldest
fast faster fastest
以字母e结尾的形容词，加-r或-st nice nicer nicest
large larger largest
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-es或-est big bigger biggest
hot hotter hottest
以“辅音字母+y”结尾的双音节词，先改“+y”结尾的双音节词，先改“y”为“i”,再加-er或-est easy easier easiest
early earlier earliest
多音节词和部分双音节词 在词前加more或most tired more tired most tired
easily more easily most easily
原级 比较级 最高级
good/well better best
ill/bad/badly worse worst
many/much more most
little less least
far farther farthest
further furthest
old older oldest
elder eldest
不规则变化
older 一般指年龄大小
My father is older than my mother.
elder指长幼关系(一般修饰名词作定语)
My elder brother is a driver.
farther指距离更远 jump farther
further指抽像的 further reading
I want to study English further.
1.一般在词尾加-er或-est
原级 比较级 最高级
high higher highest
tall taller tallest
short shorter shortest
long longer longest
smart smarter smartest
loud louder loudest
quiet quieter quietest
young younger youngest
原级 比较级 最高级
small smaller smallest
fast faster fastest
hard harder hardest
few fewer fewest
shy shyer shyest
slow slower slowest
cheap cheaper cheapest
sick sicker sickest
请写出下列形副的比较级和最高级
2.以字母e结尾的词，在词尾加-r或-st
原级 比较级 最高级
fine finer finest
late later latest
nice nicer nicest
large larger largest
white whiter whitest
close closer closest
safe safer safest
brave braver bravest
3.重读闭音节词词尾只有一个辅音字母时，先双写该辅音字母，再加-er或-est
原级 比较级 最高级
big bigger biggest
red redder reddest
wet wetter wettest
hot hotter hottest
fat fatter fattest
thin thinner thinnest
slim slimmer slimmest
4.以“辅音字母+y”结尾的双音节词，先把“y”改为“i”, 再加-er或-est
原级 比较级 最高级
heavy heavier heaviest
funny funnier funniest
friendly friendlier friendliest
lazy lazier laziest
early earlier earliest
busy busier busiest
easy easier easiest
原级 比较级 最高级
pretty prettier prettiest
healthy healthier healthiest
happy happier happiest
tidy tidier tidiest
angry angrier angriest
5.多音节词和部分双音节词，在词前加more或most
原级 比较级 最高级
slowly more slowly most slowly
serious more serious most serious
friendly more friendly most friendly
hard-working more hard-working most hard-working
clearly more clearly most clearly
outgoing more outgoing most outgoing
beautiful more beautiful most beautiful
comfortably more comfortably most comfortably
形容词(adj.)副词(adv.)原级句型结构
形副原级修饰词：
1.
2.
very, quite, kind of, really, so
主语+谓语+as+形容词或副词原级+as+比较对象 "和……一样"
I think science is as important as math.
Tom runs as fast as Jack.
主语+谓语(not)+as/so+形容词或副词原级+as+比较对象 “和……不一样；不如”
It is not as/so warm today as yesterday.
He did not come as/so early as Tina.
3.…less +原级 + than… “……不如/没有……”
Tim is less tall than Mary.
He studies less hard than her.
Tim is as tall as Mary.
He studies as hard as her.
Tim is not as tall as Mary.
He doesn't study as hard as her.
1.She is very _______(tall).
2.Tom is quite __________(outgoing).
3.He sleeps so ________(quiet).
4.My mother is kind of _________ (friend).
5.He works as _______ (hard) as me.
6.Tom is too ____ , so he exercises every day.
A. fat B. fatter C. faster D. more fat
tall
outgoing
quietly
friendly
hard
A
The new building is higher than the old one.
Those apples are bigger than these ones.
注意
比较级必须在同类中进行，即人与人比，物与物比，而且比较结构前后的词语要对称，特别注意在than或 as 之后不要漏掉可能出现的替代词 that, those, one, ones.
His shirt is more expensive than mine.
如果主语是物主代词+名词，那么后面要用名词性物主代词。
形容词(adj.)副词(adv.)比较级句型结构
比较级的用法：
形副比较级修饰词：
1.含有连词than的句型“…比…”
表示两者(人或事物)的比较。
much(…得多), a little(…一点), a lot(大量), a bit(一点), still(还，还要), far(…得多), even(更加), no, any等.
主语+系动词+形容词比较级+than+比较对象
I am more outgoing than my sister.
主语+have/has+形容词比较级+名词(n.)+than+比较对象
She has longer hair than me.
主语+实义动词+副词比较级+than+比较对象
He runs faster than her.
2.
3.
比较级+and+比较级/more and more+原级(多音节和部分双音节词)，“越来越…”
The weather is getting colder and colder.
Our school is more and more beautiful.
Living in the world is becoming more and more difficult.
the+比较级+主语+谓语(一般现在时态), the+比较级+主语+谓语(一般将来时态). “越…越…”
The harder you study, the better grades you will get.
The higher you stand, the farther you will see.
The more you eat, the fatter you will be.
4.
5.
表示对两个人或事物对比进行，并选择时：
Which/Who +be+形容词比较级，A or B
Which dress is nicer, this one or that one
Who is more active, Mary or Kate
形容词的比较级前面一般不加冠词，但表示“两者中较……”的时候，要用“the+比较级+of the two ”结构
Lily is the taller of the two.
She is the prettier of the two girls.
Do you know the fatter boy of the two under the three
6.
同一类人或物在某一范围内进行比较，常用“比较级+than any other+单数名词”“比其他任何…都”
I think Beijing is more popular than any other city in China.
Tina studies harder than any other student in our class.
1.The more exercise you take , the _______ you will be.
A .weak B. healthier C.luckier D.worse
2.Every knows China is getting _____.
A .rich and rich B.richer and richer
C. the richer,the richer D .richest and richest
3.I think our school is becoming _____.
A. more beautiful and more beautiful B. more and more cleaner
C. more and more beautiful D. clean and clean
4.Of the two rooms, this one is _____.
A. big B.bigger C.the bigger D.the biggest
B
B
c
c
形容词(adj.)副词(adv.)最高级句型结构
最高级的用法：
1.
2.
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of(in)短语等来说明比较的范围。最高级前要用the。
one of+the+形容词最高级+可数名词复数。“最…的…之一”
Shanghai is one of the biggest cities in China.
Mary is one of the most popular students in our class.
His room is the cleanest of the three.
the+序数词(second, third…)+形容词最高级(+可数名词单数+in范围短语) “…是第(二,三…)最…”
The Yellow River is the second longest river in China.
3.形容词/副词最高级可用在选择疑问句中，常用句型：
4.
Which/Who +be+the+形容词最高级, A, B or C
Which/Who +实义动词+副词最高级, A, B or C
Who is the youngest, Jim, Tom or Jenny
Which is the cheapest, a bicycle, a car, or a plane
当形容词最高级前有形容词性物主代词或名词所有格修饰时，最高级前不用定冠词the.
This is my busiest day.
1.Of all the subjects, which do you think is __________________(difficult) to learn
2.This is one of the ________(bad) games
I’ve ever watched.
3. My mother is _______________(busy) in my family.
4.This question is ______________(easy ) of the five.
5.Which goes ______________(fast),the bus,the cat or the train
6.Huanghe is the second ___________(long)river in China.
7.I think Jim works__________ (hard) in our class.
the most difficult
worst
the busiest
the easiest
the fastest
longest
hardest
Summer is very hot.
Summer is ____________ than spring.
Summer is_____________ season of the four.
Winter is very cold.
Winter is _____________than autumn.
Winter is ______________season of the four.
hotter
the hottest
the coldest
colder
1. The bread is ____ than these cakes.
A. very delicious B. much delicious C. more delicious
2. In our city it’s ____ in July ,but it is even ____ in August.
A. hotter hottest B. hot hotter C. hotter hot
3. Hainan is a very large island. It is the second ______ island in China.
A. large B. larger C. largest
4. A horse is ______ than a dog .
A. much heavy B. more heavier C. much heavier
5. Which subject is _____ , physics or chemistry
A. interesting B. most interesting C. more interesting
6.-Which is ,the sun, the moon or the earth
--Of course, the moon is
smaller B. smallest C. the smallest
7. My hair is longer than .
A. my sister B. Lucys’ C. my brother’s
C
B
C
C
C
C
C
8.The baby cried ______.
A harder and harder B hard and hard C more and more hard
9.He is _____of the two.
A taller B the taller boy C the tallest boy
10. He jumps of the three.
A. further B. farthest C. furthest
11.The Chang jiang River is one of in the world.
A. the longest river B. longest rivers C. the longest rivers
12.The more exercise you take, the you will be.
A. weaker B. healthier C. luckier D. worse
13.Everyone knows China is getting ____________
A. strong and strong B. stronger and stronger
C. more strong and strong
A
B
B
C
B
B