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八年級四單元1話題導(dǎo)學(xué)案 Unit 4 Topic 1 形容詞的比較等級(仁愛版英語八年級)

發(fā)布時間:2016-8-27 編輯:互聯(lián)網(wǎng) 手機(jī)版

課型:新授課 設(shè)計(jì):譚莉 審核 八年級英語教師 審批:

學(xué)習(xí)目標(biāo):1.掌握形容詞比較級和最高級的構(gòu)成

2.掌握形容詞比較級和最高級的用法

學(xué)習(xí)重點(diǎn):形容詞比較級和最高級的構(gòu)成及用法

學(xué)習(xí)疑點(diǎn):形容詞比較級和最高級的用法

學(xué)習(xí)方法:自主學(xué)習(xí),合作探究

課前準(zhǔn)備

英漢互譯

1.強(qiáng)壯的___________ 2.偉大的___________ 3.高的_______

4.短的___________ 5.慢的___________ 6.遲的___________

7.勇敢的___________ 8.fine___________ 9.nice___________

10.big___________ 11.fat___________ 12.thin___________ 13.red___________ 14.早的___________ 15. 容易的___________

16.幸福的___________. 17. lucky___________ 18.funny___________

19.beautiful__________ 20.wonderful___________ 21.interesting__________

22 流行的___________ 22.美味的___________ 23.重要的___________

24.serious_______ 25著名的__________ 26.good___________ 26.bad___________ 27.many/much___________ 28.little___________ 29Well/good___________30.badly___________ 31.far___________

教學(xué)步驟:

一.學(xué)生看教材P.119 ,并完成下列小結(jié)

(一)形容詞比較等級的含義 :形容詞有________,_________,_________,三個比較等級。

1. 原級(原形)如:他的頭發(fā)很長。His hair is very ___________.

2. 比較級:表示“較…” 或“更…些”。

如:我的頭發(fā)比他的長。My hair is ________ ________his.

健康比財(cái)富更重要。Health is __________ _________than wealth.

3. 最高級:表示“最…”

如: 快樂是最好的藥。Happiness is the ____________ medicine.

( 二).形容詞比較級、最高級的構(gòu)成規(guī)則

單音節(jié)詞和部分雙音節(jié)詞的構(gòu)成方法:

1.一般在詞尾加_________或_______,

如:small---smaller---smallest, long---_________--__________

2.以字母_____結(jié)尾的詞加____或______,

如:large-larger---largest, nice---__________ -____________

3.以重讀閉音節(jié)結(jié)尾并且末尾只有一個輔音字母的應(yīng)先__________,再加________ 或__________.

如;big----_______--__________; fat-________-__________

4. 以輔音字母 + y結(jié)尾的,先變y為___,再加___或______.

如:heavy---___________-__________

多音節(jié)詞和部分雙音節(jié)詞的構(gòu)成方法:

在原級前加______________ 或 __________________,

如popular,-more popular-most popular

Interesting-______________ -__________________

特殊的:good/well---- better best bad/ill --- worse worst

Manny/much--- more most little ---- less least

far---- farther/further 或 further/furthest

old – older/elder---oldest/eldest

(三). 形容詞比較級、最高級的用法

1.學(xué)生小結(jié)

2.教師點(diǎn)撥

比較級:A +比較級 + than + B (A.B不能相互包括;A比B在某方面程度更高)

如:貓比其他動物更可愛。 Cats are more lovely than other animals.

最高級:A +the +最高級 +in/of(A在某方面程度最高 ,)

注:A應(yīng)在那個范圍內(nèi)程度最高

誤:Tom is the tallest of all his classmates.

※同級比較: A=B A + as + 原級 + as + B 表示A.B在某方面程度一樣。

如:圣誕樹幾乎和房間一樣高

The Christmas tree is as tall as the room.

A不如 B A not as/so+原級+as + B 表示A在某方面不及B,此類句型可以改為比較級形式。

如:他沒有我高。He is not as (so) tall as I/me.

=He is shorter than I/me.

這個男孩不如那個男孩細(xì)心。

This boy is not as careful as that boy.

=This boy is less careful than that one.

=That boy is__________________________.

二.比較結(jié)構(gòu)中應(yīng)注意的七個方面見教材P.120

1.比較級與最高級可以轉(zhuǎn)化

如:在中國,長江比其他任何河流都長。

The Yangtze River is _______than any other river in China.

= The Yangtze River is _____ ________ river in China.

2.當(dāng)某一事物與其他事物作比較時,被比較事物中不能包括本身。

Eg1.他比班上其他學(xué)生高。

He is _______ than any ________student in his class.

Eg2.上海比湖北任何一個城市都大。

Shanghai is __________ than ________ ________ city in Hubei.

3.如果比較對象相同,可用 that/those 代替第二個對象。

Eg1:重慶的天氣比上海的天氣要好。

The weather in Chongqing is better than that in Shanghai.

Eg2:第二冊的課文比第三冊的容易得多。

The texts in Book2 is much easier than ________in Book3.

4.兩個比較級用and 連接,表示“越來越…”

(e.g) bigger and bigger 越來越大

more and more beautiful 越來越美

5.the + 比較級,the + 比較級,表示“越….越…..”

越多越好。The more ,the better.

你練得越多,做起來就變得越容易。The more you practice , the easier it becomes.

6.表示“兩者較…..”時,用 “the + 形容詞比較級 + of 短語”來表達(dá)

他是兩人中較高者。He is the taller of the two.

7、形容詞的比較級可以用much , a little , a lot ,even ,three years, third, twice等修飾,使原來的比較級在語意上更加明確,

vv如: 雞要比奶牛小得多。Chickens are much smaller than cows.

我比你大點(diǎn)。I am a little older than you.

8..one of + 最高級+單數(shù)名詞 表示“最…之一”

One of the most famous rock bands

9..序數(shù)詞+最高級+單數(shù)名詞 表示“第幾…”

如:我是班上第三高的男生。I’m the third tallest boy in our class.

10..最高級前面要加 the ,但最高級前有指示代詞,物主代詞或名詞所有格修飾時,其前不能再加the

(e.g) 這是我最好的一本書。This is my best book.

鞏固提高

一.寫出下列形容詞的比較級和最高級

1.high____________ __________ 2.strong____________ _____________

3.large____________ __________ 4.nice____________ __________

5.red____________ __________ 6.thin____________ __________

7.heavy____________ __________ 8.early____________ __________

9.wonderful____________ __________ 10.iovely____________ __________

11.well ____________ __________ 12.much____________ __________

二.單選

1.I think plants are _______the pets.

A. beautifuler B. more beautifuler

C .beautiful D. more beautiful

2.Birds are _______than insects.

A. big B. bigger C .biger D. more big

3.I don’t think this question is___ than that one. It is ____of these questions.

A. easier , more difficult B. easier ,the most difficult

C . easiest, more difficult D. easier , much more difficult

4.The box is very_______.

A. heavy B. heavier C .heaviest D. more heavy

5.Our garden isn’t so____ as theirs.

A. larger B. largest C .large D. more larger

三.用所給詞的適當(dāng)形式填空

1.Li Lei is the _____________(good) student in our class.

2.Lucy is______________ ( fat) than Kate.

3.Ithink my car is as ________________(nice) as yours.

4.This box is _________________(heavy) of the three.

5.I feel much ________________ ( ill) today.

6. I think maths is the ________________(difficult) subject of all.

7.Who works ________________(careful ),Jack or John?

8.There is _______________(little ) water in this bottle than in that one.

9.Who has the______________(many) apples, Li Lei, Jack or John.

10.Tom grows ______________and ______________(tall) these years.

課后反思