1、School Time,形容詞和副詞 比較級詞形的變化 Teacher: 胡 靜 From: 成都高新濱河學(xué)校,School Time,形容詞和副詞 比較級詞形的變化,Its hot this summer. I only want to stay at home. Its cooler and more comfortable than outside. Its hotter than that last year, because the environment is worse and worse.,比較級（Comparative Degree） 就是將二者進(jìn)行比較產(chǎn)生的詞形，是由形容詞

2、原級轉(zhuǎn)化而來的，一般是在原級后面加er, 也有一些不規(guī)則的轉(zhuǎn)化，比如goodbetter，badworse。,形容詞、副詞比較級的構(gòu)成。 1.規(guī)則變化 (1)a.一般情況下，單音節(jié)和部分雙音節(jié)形容詞、副詞，在原級后加-er，構(gòu)成比較級。,long long,fast fast,high high,er,er,er,b以不發(fā)音的字母e結(jié)尾的，直接加-r，構(gòu)成比較級。,nice nice,cute cute,late late,r,r,r,c以輔音字母y結(jié)尾的雙音節(jié)形容詞、副詞，變y為i，再加-er，構(gòu)成比較級。,heavy heav,friendly friendl,early earl,y,i

3、,er,y,i,er,y,i,er,d重讀閉音節(jié)且詞尾只有一個(gè)輔音字母的，先雙寫這個(gè)輔音字母，再加-er，構(gòu)成比較級。,big big,fat fat,thin thin,ger,ter,ner,(2)多音節(jié)和部分雙音節(jié)形容詞、副詞，在原級前加more，構(gòu)成比較級。 creative creative popular popular quickly quickly,more,more,more,more,(3)由“動詞加后綴ed或ing”構(gòu)成的形容詞，其比較級形式常在形容詞前加more。 interesting interesting boring boring relaxed relaxed

4、 excited excited,more,more,more,more,more,(4)由“形容詞后綴ly”構(gòu)成的副詞，其比較級常在該副詞前加more。 cheaply cheaply comfortably comfortably,more,more,more,原級變成比較級,er結(jié)尾要牢記； 一般情況直接加,單輔重閉雙寫加； 輔音加y變i加,以啞音e結(jié)尾去e加； 少數(shù)部分雙音節(jié),規(guī)則如同單音詞。 其余雙音多音節(jié),詞前加more就可以。,比較級規(guī)則變化口訣,原級變成比較級,er結(jié)尾要牢記； 一般情況直接加,單輔重閉雙寫加； 輔音加y變i加,以啞音e結(jié)尾去e加； 少數(shù)部分雙音節(jié),規(guī)則如同單音

5、詞。 其余雙音多音節(jié),詞前加more就可以。,比較級規(guī)則變化口訣,(2)不規(guī)則變化 有一部分形容詞、副詞的比較級變化沒有規(guī)律，稱為不規(guī)則變化。 good/well bad/ill/badly many/much little far old,better,worse,more,less,farther/further,older/elder,比較級不規(guī)則變化口訣,合二為一有三對,“病壞”“兩多”與“兩好”。 ill/badworse;many/muchmore;good/wellbetter 一分為二有兩個(gè),一個(gè)“遠(yuǎn)”來一個(gè)“老”。 farfarther/further;old older/e

6、lder 還有一個(gè)雙含義,只記“少”來別記“小”。 littleless,比較級不規(guī)則變化口訣,合二為一有三對,“病壞”“兩多”與“兩好”。 ill/badworse;many/muchmore;good/wellbetter 一分為二有兩個(gè),一個(gè)“遠(yuǎn)”來一個(gè)“老”。 farfarther/further;old older/elder 還有一個(gè)雙含義,只記“少”來別記“小”。 littleless,1.nice_ 2.fat_ 3.slow_ 4.dry_ 5.happy_ 6.wet_ 7.much_ 8.ill_ 9.little_ 10.bad_ 11.thin_ 12.far_ 13

7、.early_ 14.careful_ 15.exciting_ 16.well_ 17.friendly_ 18.green_ 19.few_ 20.busy_,nicer,隨堂練習(xí),fatter,slower,drier,happier,wetter,more,worse,less,worse,thinner,farther/further,earlier,more careful,more exciting,better,friendlier,greener,fewer,busier,Thank you !,2. 形容詞、副詞比較級的用法。,（1）兩者比較，句中有than常用比較級，三者

8、之間或以上進(jìn)行比較時(shí)，要用最高級形式，且形容詞前面要加定冠詞the，（副詞最高級前可加the可不加the）后常跟in/of 短語。,We have more apples than them.,(2)用于兩者之間的同級比較：和一樣as + 形容詞/副詞原級 + as，副詞修飾動詞,Does he write the letter as badly as his brother?,Liu Ying isnt as good at sports as her sister.,（3）much, a lot, a little, a bit, still, even, far等詞修飾比較級,She s

9、aid it was much better if she did her own work.,Im a little more outgoing than her.,He works still harder than ever.,（4）and 連接同一個(gè)比較級，表示越來越,Its summer now, the weather is getting hotter and hotter.,(5)the+比較級，the+比較級，表示越就越,The more exercise you take, the more healthy youll be.,(6)表示“最之一” 用one of +最高級

10、+名詞復(fù)數(shù),This was one of the most important events in modern American history.,(7)the+比較級+ of the two 表示“兩個(gè)中比較的”,Mr Green is the heavier of the two man.,(8)在比較時(shí)為避免重復(fù)，常用“that”代替不可數(shù)名詞，單數(shù)可數(shù)名詞用“one”，復(fù)數(shù)用“ones/those”代替。,The blue shirt is more expensive than the red one. The weather in Beijing is colder than that in Chengdu in winter. These pears are better than those in the box.,翻譯句子： 1 本書跟那本書一樣有趣。 This book is _ _ _ that one. 2 今天比昨天冷的多。 It is _ _ today than it was yesterday. 3 她的身體狀況一天天好起來。 He is getting _ _ _ every day. 4.他吃的