形容词原级比较级最高级.ppt

形容词比较级,形容词比较等级的构成,1.规则变化,2.不规则变化,原级的用法,1.说明人或事物本身的性质、特征或状态等，用原级 The flowers in the garden are beautiful. 2.有表示绝对概念的副词修饰时，如：very, so ,too,enough,quite等，用原级 The boy is too young. 3.A与B的比较 1）肯定句： A.+as+原级+as+B English is as interesting as Chingese.,2)否定句： A.+not+as/so+原级+as+B This book isnt so new as that one. 否定句相当于“less+部分双音节词或多音节词的原级+than” He thinks Chinese is less interesting than English. 3) A是B的.倍 A.+倍数+as+原级+as+B Our school is three times as big as theirs. 4).是.的一半 half as +原级+as Her room is half as big as yours.,比较级的用法,1.两者进行比较 A.+-er+than+B Lilys room is bigger than mine. 注：为了避免重复，在从句中常用the one,the ones,that,those等代替前面出现的名词。the one 代替可数名词单数形式，that 代替不可数名词。 The weather in Beijing is colder than that in Guangzhou in winter. 2.有表示程度的副词修饰时，如：a little, a bit, a few, a lot, much, even, still,far, rather等，用比较级 Its much colder today than yesterday.,3.哪一个更. Which/Who is +-er, A or B? Who is taller, Li Ming or Tom? 4.几倍于. 倍数+-er+than I am three years younger than you. 5. 两者之中比较的一个（of the two） the +-er Mary is the taller of the twins. 6.越来越. -er+and-er more and more Its getting warmer and warmer in spring. The story became more and more interesting in the end. 7.越.就越. the+-er， the+-er The more，the better.,最高级的用法,1.三个或三个以上进行比较 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进行选择 Which/Who is the -est , A ,B or C ？ Which city is the most beaytiful, Beijing,Shanghai or Fuzhou? 3.最.的.之一 one of the +-est+名词复数 Zhou Jielun is one of the most popular singers.,4.第几最 在最高级前面加序数词 The Yellow River is the second longest river in China. 5.最高级前面有物主代词、指示代词、名词所有格等修饰时，不能再用定冠词。 This is our best lesson today.,6.比较级表示最高级含义,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 than the