1、形容词原级,比较级和最高级绝大多数形容词有三种形式,原级,比较级和最高级, 以表示形容词程度的不同。一、形容词的形式原级:形容词的原级形式就是词典中出现的形容词的原形。例 : poor tall great glad 比较级和最高级: 形容词的比较级和最高级形式是在形容词的原级形式的基础上变化的。分为规则变化和不规则变化。1.规则变化(1)单音节词末尾加-er(比较级),-est(最高级)原级 比较级 最高级great greater greatestsmall smaller smallestclean cleaner cleanest(2)单音节如以 e 结尾,只加 -r(比较级),-st
2、(最高级)fine finer finestwide wider widest(3)闭音节单音节词如末尾只有一个辅音字母,须先双写这个辅音字母,再加-er(比较级),-est(最高级)big bigger biggesthot hotter hottestred redder reddest(4)少数以-y,-er,ow, -ble 结尾的双音节词,末尾加-er (比较级),-est(最高级)。以-y 结尾的词,如 -y 前是辅音字母,则变 y 为-i ,再加-er 和-est。以-e 结尾的词只加-r 和-st。Clever cleverer cleverestNarrow narrower
3、 narrowestAble abler ablesteasy easier easiest(5)其它双音节和多音节词皆在前面加单词 more 和 most。careful more careful most carefuldifficult more difficult most difficultdelicious more delicious most delicious2.不规则变化原级 比较级 最高级good/well better bestbad worse worstmany/much more mostlittle less leastfar farther/further f
4、arthest/furthest注:有些形容词一般没有比较等级。如: right, wrong, woolen 等。二、 形容词各等级的用法1.原级(同级)比较:asas; not as(so)asWell give you as much help as we can.She isnt as(so)active in sports as before.2.比较级:表示两者之间比 更一般句式的构成: A + is / are+ 形容词比较级+ than + BA 是主格 B 是宾格如: She is taller than me.主格 形容词比较级 宾格Li Ping is older tha
5、n Wang Hai. 李平比王海年纪大。He made fewer mistakes than I did.可用状语 much, a little, even 等修饰He is even richer than I.3.最高级:形容词最高级前必须加 the, 副词最高级前常省略 the,后面多用of, in短语表示范围:It was the most/least interesting story I have ever listened.He is the tallest of the three.4.如果在两者之间表示“ 最 ”时要在比较级前加 the,而且还用 of the two,
6、of the pair 短语:John is the clever of the two boys.Of the two boys, John is the clever.三、 重点与难点:1. asas结构你和汤姆是一样好的孩子。Youre a boy as good as Tom.=Youre as good a boy as Tom.2.tooto 与 sothat sb.cant以及 not enough to 句型的转换(1)tooto 与 sothat sb.cant的转换The man was too angry to be able to speak.The man was s
7、o angry that he wasnt able to speak.The milk was too hot to drink.The milk was so hot that we cant drink it.(2)tooto与 not enough to 句型的转换:He is too young to get married.=He is not old enough to get married.The book is too difficult for me to read.=The book is not easy enough for me to read.3. 形容词原级表
8、示比较级含义:约翰不象迈克那么苯。John is not so stupid as Mike.John is less stupid than Mike.John is cleverer than Mike.4.比较级表示最高级:约翰是班里最高的男生。John is taller than any other boy in the class.John is the tallest boy in the class.John is taller than :any other boy.any of the other boy.all the other boy.any of the others.any one else.5.The more the more.表示“ 越越”:The more books you read, the wider your knowledge is.The more food you eat, the fatter you are.6.more and more.表示“ 越来 越”:More and more students realized the importance of a foreign language.Our country is getting stronger and stronger.