1、形容詞和副詞比較級(jí)和最高級(jí)形容詞用于描繪人或事物的特征的詞。形容詞的用法修飾名詞，表示名詞的屬性。在句子中充當(dāng)表語、定語和賓補(bǔ)。1)用作定語,修飾名詞或代詞:He lives a happy life.I have a good friend.2)用作表語,放在動(dòng)詞be后,也可以放在其他一些特殊的系動(dòng)詞后面: The story is interesting. She looks young.3)做賓語補(bǔ)足語,對句子的賓語進(jìn)行補(bǔ)充說明We should keep our classroom clean.副詞的用法表示行為和狀態(tài)的特征，作狀語，在句子中修飾動(dòng)詞、形容詞或其他副詞，甚至是整個(gè)句子。

2、He studies English hard.His handwriting is very good.He writes very carefully.Sometimes he walks to school.做狀語修飾v.狀語修飾adj.做狀語修飾adv.狀語修飾整句late later - latestearly earlier earliestbigbigger- biggestfluently/difficultmore, most重讀閉音節(jié)、末尾只有一個(gè)輔音字母雙寫加 er 或 est單音節(jié)詞在詞尾比較級(jí)加- er或最高級(jí)加- est以e結(jié)尾的詞，只需加r 或st以輔音字母加 y

3、 結(jié)尾雙音節(jié)詞變 y 為 i 加 er 或 est部分雙音節(jié)和多音節(jié)詞在原級(jí)前加 more 或 most少數(shù)以er,ow 結(jié)尾的雙音節(jié)詞加-er -esttalltaller- tallest clevercleverer-cleverestcheap, cold, small, warm, young, highfine, nice, safehappy, busy, dirty, easy, lazy, prettyfat, hot, red, thin, wet, sad narrow, yellow quickly, slowly, useful, careful, popular,

4、modern, 形容詞和副詞比較級(jí)和最高級(jí)構(gòu)成 (規(guī)則變化)Speed upSpeed up competitionwarmwarm warmer - warmestlittle little less - leastquicklyquickly more quickly most quicklyhothot hotter - hottesthappyhappy happier - happiestnicenice nicer - nicestbad/ badly/ illbad/ badly/ ill worse - worstpopularpopular more popular most

5、 popular1.原級(jí)比較as + adj./adv.原級(jí)as 和一樣否定：not so/ as +adj./adv.原級(jí)as 不及我和你一樣大。I am _ you.他跑得不及我快。He _ run _ I.as old asdoesntas/so fast as形容詞和副詞比較級(jí)的用法 1.Who runs faster, he or she?2.He runs faster than she.3.He runs much faster than she.4.He becomes healthier and healthier.5.The more you exercise, the h

6、ealthier you will be.6.She is less healthy than he.形容詞和副詞比較級(jí)的用法 1.表示兩者之間的選擇, 可用“Which/Who + 比較，or?”.2.表示兩者之間的比較，通常用連詞 than 引導(dǎo)， 表示“更一些”3.much/far/a lot, even ,still ,a little/a bit 修飾比較級(jí),表示程度.1.Who runs faster, he or she?2.He runs faster than she.3.He runs much faster than she.形容詞和副詞比較級(jí)的用法 4. “比較級(jí)+an

7、d+比較級(jí)”表示“越來越”5. “the+比較級(jí) , the + 比較級(jí)”表示“ 越, 越 ” 6. 表示不及另一方時(shí)，用“l(fā)ess+原級(jí)+than” (雙音節(jié)和多音節(jié)詞)4.He becomes healthier and healthier.5.The more you exercise, the healthier you will be.She is less healthy than he.6.He is healthier than she.Shanghai is becoming more and more modern.Attention!形容詞和副詞的比較級(jí)的變化不能混淆！1

8、.以-er結(jié)尾和特殊變化的形容詞副詞比較級(jí)前面不能加more2. as as 之間必須用形容詞和副詞原級(jí)He is more taller than I. (T or F)I can write more better than he. (T or F)I runs as faster as she. (T or F) fast3.比較級(jí)前可用much, far, a lot, a little, even等表示程度,不能使用very，quite.She sings _ better than the others.她比別人要唱得好得多。far / muchNow I read _ faste

9、r than before. 我現(xiàn)在讀得比以前要快一點(diǎn)。a little注意：5.表示不同程度比較時(shí)，句子主語不能包括在比較對象的范圍之內(nèi)。He studies harder than any student in his class. (T or F)otherHe studies harder than all the students in his class. (T or F)otherHe is taller than any girl in his class. He is taller than any other boy in his class. China is large

10、r than _ country in Africa. (any, any other)anyChina is larger than _ country in Asia. (any , any other)any other 6.在比較級(jí)中，用that代替上述出現(xiàn)過的不可數(shù)名詞，用those代替上述出現(xiàn)過的復(fù)數(shù)名詞。 The water in the glass is cleaner than _ in the river. 杯子里的水比河里的要干凈。I like these pictures better than _ on the wall. 和墻上的畫相比，我更喜歡這些。thattho

11、se比較級(jí)的特殊用法the + 比較級(jí) + of the two 兩者中較的一個(gè)He is _ (old) of the two boys. the older2.less +(多音節(jié)詞)原級(jí)+ than = not as/so+原級(jí)as 不及Jim doesnt do it as carefully as Mary.Jim does _ than Mary.Mary does _ than Jim.less carefullymore carefully3.表示“大3歲”，“長2米”時(shí)，要用數(shù)量詞+比較級(jí)He is _ than I.他比我大三歲。three years olderThe b

12、ridge is _ than that one.這條橋比那條長兩米。two meters longer1.表示三者或三者以上比較,可用”Which/Who +最高 級(jí),or ?”表示.2.最高級(jí)+of/among(同類比較); in (范圍比較)4.one of +形容詞最高級(jí)+名詞復(fù)數(shù)表示“最 之一”3.序數(shù)詞修飾最高級(jí)形容詞和副詞的最高級(jí)的用法Who is the tallest, Tom , Mike , or Jack?Tom is the tallest of the three.Mike is the second tallest student in our class.Jac

13、k is one of the tallest students in our class.Tom runs (the) fastest in our class.改錯(cuò):1. His computer is cheaper than I.2. Bill is taller than any boy in his class.3. Mary sings better than any other boy in her class.4. Jim is very older than his sister. mine any other boymuch5. Li Ling is the younge

14、st of our class.6. Its more bigger than a chicken.7. Li Fen draws better of the two girls.8. He is the tallest in the three boys. in the better ofmuch 1.Hainan is a very large Island .It is the second _ island in china. (large)2.Our teacher is as _ as before.(busy).3.He is _ among us. (careful)4.Li

15、Lei jumped _ than Jim.(far)5.The busier he is, the _ he feels. (happy)6.I think Yao Ming is one of _ basketball players in NBA. (hot)busythe most carefulfartherhappierlargestthe hottest1. The bread is _ than these cakes A. very delicious B. much more delicious C. much delicious D. as delicious2. Lin

16、 Tao jumped _ in the long jump in the school sports meeting A. far B. farther C. farthest D. quite farPractice. In our city its _ in July ,but it is even _ in August. A. hotter hottest B. hot hot C. hotter hot D. hot hotter4. In Class Two, students talked about how they can help their classmate Tom because he doesnt learn _ others. A. quickly than B. as quickly as C. quickly as D. as more quickly as 5.