形容词和副词比较级构成及用法归纳
1. 以形容词+ly 构成的副词，其比较级构成是在前面加more
例如：carefully – more carefully loudly – more loudly quietly – more quietly
heavily – more heavily happily – more happily quickly – more quickly serious – strong – strongly more serious outgoing – more outgoing
2. 以ly 结尾的形容词 friendly – more friendly early – earlier curly-crulier
3. 多音节形容词或部分双音节形容词 前面加more构成比较级
例如：interesting – more interesting wonderful – more wonderful carful – more carful athletic – more athletic exciting – more exciting tired – more tired
4. 以e结尾的形容词或副词，加r 构成比较级。
例如：late – later fine – finer nice – nicer blue – bluer cute – cuter safe – safer wide-wider
5. 需双写后面辅音字母加er的有：wet fit big red thin fat hot
6. 句型 A. 主语 + be + adj(比较级) + than + 被比较对象
B. 主语 + 谓语动词+adv+（比较级）+ 被比较对象
C. Which/Who +be/动词+adj/adv (比较级)， A or B ?
D. 比较级+ and + 比较级，表示“越来越…”
E. 主语+ be + as adj as + 被比较对象“和……一样” 中间用形容词原级
F. 主语+ be +not as/so adj as + 被比较对象。表示“不及，不如…”
G. 主语 + be + the + adj (比较级) of the two + 复数名词。表示某某是两者中最…
H. 主语 + be + adj (比较级) + than + any other + 单数名词 + in/of +the + 名词
7. The + 比较级…，the + 比较级… “越…，就越…”
8. very、so、quite、too、more 只能修饰形容词或副词的原级，不能修饰形容词或副词的比较级。
9. even a lot a little much still a bit 可以放在比较级的前面修饰比较级。
10. Tom is taller than Jack = Jack isn’t as tall as Tom
11. 句型; 11. 不规则的变化： many/much – more - most good/well – better -best bad – worse-worst far—farther – farthest little – less – least
12. smart – smarter calm – calmer(镇定的) wild – wilder（轻率的） quiet – quieter clever – cleverer healthy – healthier
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