来源:中考网整理 作者:中考网编辑 2018-04-13 22:04:13
3.形容词和副词的比较级和最高级的构成
形容词和副词的比较级和最高级的构成分为三种类型:
1)在大多数单音节词和少数双音节词的词尾加er,est。
(1)一般情况在词尾加-er,est。如:hardharderhardest
(2)以字母e结尾的只加-r,-st。如:largelargerlargest
(3)以辅音字母+y结尾的,先改y为i,再加-er,est。如:healthyhealthierhealthiest
(4)单元音单辅音结尾的重读闭音节,先双写该辅音,再加-er,est。如:thinthinnerthinnest
注:词尾为ow,er,le结尾的双音节词都采用这种形式。如:
narrownarrowernarrowest
clevercleverercleverest
simplesimplersimplest
2)在多音节和部分双音节词的词前加more,most。另外,由过去分词转化而成的形容词,不论多少个音节都用这种形式。如:
seriousmoreseriousmostserious
popularmorepopularmostpopular
tiredmoretiredmosttired
pleasedmorepleasedmostpleased
3)不规则变化:
good/wellbetterbest
bad/ill/badlyworseworst
many/muchmoremost
littlelessleast
farfarther/furtherfarthest/furthest
oldolder/elderoldest/eldest
4.形容词和副词的比较级和最高级的用法
1)同级比较。常用句型为:
肯定结构:as+形容词(副词)原级+as
否定结构:notso(as)+形容词(副词)原级+as如:Ourgardenisasbeautifulastheirs.
Janedidn'twriteas/socarefullyashereldersister.
上述本句型前可以有表示倍数或分数的修饰语,如:Thisroomisthreetimesaslargeasthatone.
2)程度不等的比较,常与than连用,其基本句型是:A+形容词(副词)比较级+thanB
如:
ShanghaiisbiggerthananyothercityinChina.Whichdoyoulikebetter,strawberriesorgrapes?
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