1、形容詞比較級形容詞比較等級的構成1.規(guī)則變化類別構成方法原級比較級最高級單音節(jié)詞和少數(shù)雙音節(jié)詞一般直接加-er,-estlongtalllongertallerlongesttallest以不發(fā)音的e結尾，加-r,-stlatelargelaterlargerlatestlargest以輔音字母加y結尾時，變y為i,加-er,-esteasyhappyeasierhappiereasiesthappiest以重讀閉音節(jié)結尾且末尾只有一個輔音字母時，雙寫輔音字母，再加-er,-estbighotbiggerhotterbiggesthottest多音節(jié)詞和部分雙音節(jié)詞在原級前加more，most

2、carefulmore carefulmostcarefulbeautifulmore beautifulmost beautiful2.不規(guī)則變化原級比較級最高級good/wellbetterbestmany/muchmoremostbad/illworseworstlittlelessleastfarfarther(較遠)further（進一步）farthest（最遠）furthest（最大限度）oldolderelderoldest（年紀最大的）eldest（最年長的）原級的用法1.說明人或事物本身的性質、特征或狀態(tài)等，用原級The flowers in the garden are b

3、eautiful.2.有表示絕對概念的副詞修飾時，如：very, so ,too,enough,quite等，用原級The boy is too young.3.A與B的比較1）肯定句： A.+as+原級+as+BEnglish is as interesting as Chingese.2)否定句： A.+not+as/so+原級+as+BThis book isnt so new as that one.否定句相當于“l(fā)ess+部分雙音節(jié)詞或多音節(jié)詞的原級+than”He thinks Chinese is less interesting than English.3) A是B的.倍 A

4、.+倍數(shù)+as+原級+as+B Our school is three times as big as theirs.4).是.的一半 half as +原級+as Her room is half as big as yours.3.哪一個更. Which/Who is +-er, A or B?Who is taller, Li Ming or Tom?4.幾倍于. 倍數(shù)+-er+thanI am three years younger than you.5. 兩者之中比較.的一個（of the two） the +-erMary is the taller of the twins.6.

5、越來越. -er+and-er more and moreIts getting warmer and warmer in spring.The story became more and more interesting in the end.7.越.就越. the+-er， the+-erThe more，the better.最高級的用法1.三個或三個以上進行比較 the+-est .+ in / of.Shanghai is the biggest city in China.2.在三者或者三者以上的人物中進行選擇 Which/Who is the -est , A ,B or C ？

6、 Which city is the most beaytiful, Beijing,Shanghai or Fuzhou?3.最.的.之一 one of the +-est+名詞復數(shù) Zhou Jielun is one of the most popular singers.6.比較級表示最高級含義1）Li Lei is the tallest students in his class. =Li Lei is taller than any other sthdents in his class. =Li Lei is taller than the other sthdents in his class. =Li Lei is taller than anyone else in his class. =No one is taller than Li Lei in his class. =Li Lei is taller than any of the other students in his class. =Li Lei is taller th