高中英语中,形容词的比较级和最高级的具体用法和讲解.

高中英语中,形容词的比较级和最高级的具体用法和讲解.
英语人气:134 ℃时间:2019-08-16 19:25:29
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大多数形容词(性质形容词)和副词有比较级和最高级的变化,即原级、比较级和最高级,用来表示事物的等级差别.原级即形容词的原形,比较级和最高级有规则变化和不规则变化两种.
1) 规则变化
单音节词和少数双音节词,加词尾-er,-est来构成比较级和最高级.
 构成法     原级     比较级   最高级     
①一般单音节词  tall   taller   tallest
未尾加-er,-est 
②以不发音的e结尾 nice nicer   nicest
的单音词和少数  large  larger  largest
以- le结尾的双 able abler   ablest
音节词只加-r,-st 
③以一个辅音字母 big  bigger  biggest
结尾的闭音节单 hot   hotter  hottest
音节词,双写结
尾的辅音字母,
再加-er,-est 
④以辅音字母+y" easy  easier  easiest
结尾的双音节词,busy   busier  busiest
改y为i,再加
-er,-est  
⑤少数以-er,-ow clever cleverer cleverest
结尾的双音节词 narrow narrower narrowest
未尾加-er,-est                 
⑥其他双音节词和  important 
多音节词,在前 more important
面加more,most  most important
来构成比较级和最高级.easily(容易地)
more easily most easily
2) 不规则变化
原级     比较级    最高级        
good(好的)/    better    best
well(健康的)                   
bad (坏的)/     worse     worst
ill(有病的)                      
old (老的)     older/elder oldest/eldest   
much/many(多的)   more      most        
little(少的)    less     least        
far (远的)   farther/further  farthest/furthest 
比较级形容词或副词 + than
e.g.:You are taller than I.
注意:
1)要避免重复使用比较级.
(错) He is more cleverer than his brother.
(对) He is more clever than his brother.
(对) He is clever than his brother.
2)要避免将主语含在比较对象中.
(错) China is larger that any country in Asia.
(对) China is larger than any other countries in Asia.
3)要注意对应句型,遵循前后一致的原则.
  The population of Shanghai is larger than that of Beijing.
  It is easier to make a plan than to carry it out.
4)要注意冠词的使用,后有名词的时候,前面才有可能有名词.
比较:Which is large,Canada or Australia?
   Which is the larger country,Canada or Australia?
She is taller than her two sisters.
She is the taller of the two sisters.
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