1.　 Thank you for your last letter.　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　　

1. Liu Ying is not as good at sports as her sister.

　　 be good at sth. = do well in sth. 擅长某事

　　　　 be good at doing sth. = do well in doing sth.

　　 擅长做某事

　　 He is good at math. = He does well in math.

　　 He is good at swimming.

= He does well in swimming.

Are you good at swimming?

= Do you do well in swimming?

2. make sb do sth　 使某人做某事

He often makes his son get up early.

Be careful. Don’t make the baby cry.

Nothing can make him get stressed out.

The good news made them laugh.

3. It is (not) + adj. + to do sth. 做某事……

　 It is important to learn English well.

　　 学好英语是重要的。

It’s not necessary to be the same.

4. enjoy doing sth.

　 She enjoys reading books on weekends.

5．多音节词、部分双音节词词前加more;　 如：

原级　　 比较级

athletic 　 more athletic

outgoing 　 more outgoing

serious　　 more serious

popular 　　 more popular

interesting, exciting, expensive, boring, delicious,

beautiful, friendly, important, difficult, unhealthy

…

不规则变化

　　　　　　 　原级　　　　　　　 比较级

　　 good \ well　 　　　　　　　　　　　　　 better

　　 bad \ badly \ ill　　　　　　　　　　　 worse

　　 many \ much 　　　　　　　　　　　　 　　 more

　　 little　　　　　　　　　　　　　　　　　 less

　　 far　　　　　　　　　　　　　　　　　　 farther / further

A:　

cheap　　　 cheaper

short　　　 shorter

quick　　　 quicker

smart　　　 smarter

tall　　　　 taller

cool　　　　 cooler

warm　　　　 warmer

quiet　　　 quieter

wild　　　　 wilder

calm　　　　 calmer

B:　 　　　

heavy　　　 heavier

easy　　　　 easier

dirty　　　 dirtier

funny　　　 funnier

busy　　　　 busier

happy　　　 happier

healthy　　 healthier

hungry　　　 hungrier

early　　　 earlier

C:

large　　　 larger

late　　　　 later

nice　　　　 nicer

D:　　

big　　　　 bigger

hot　　　　 hotter

red　　　　 redder

wet　　　　 wetter

thin　　　　 thinner

fat　　　　 fatter

F:　　

delicious　　　　　　　　　 more delicious

athletic　　　　　　　　　　 more athletic

interesting　　　　　　 　　 more interesting

popular　　　　　　　　 　　 more popular

beautiful　　　　　　　 　　 more beautiful

outgoing　　　　　　　　　　 more outgoing

friendly　　　　　　　　　　 more friendly

difficult　　　　　　　　　 more difficult

important　　　　　　　 　　 more important

serious　　　　　　　　 　　 more serious

形容词比较级的用法

A + be动词 + 比较级 + than + B.

My ball is bigger than your ball.

我的球比你的大。

Lucy’s hair is shorter than Lily’s.

Lucy 的头发比 Lily 的更短.

My hair is shorter than hers.

我的头发比她的短.

The weather here is hotter than that in Guangzhou.

这里的气候比广州的热.

Taking a boat is more interesting than taking a bus.

坐船比搭公车更有趣.

To go fishing is more relaxing than to go hiking.

钓鱼比去徒步旅行更轻松.

His room is bigger than his brother’s.

他的房间比他哥哥的大.

much, a lot, a little, a bit, even, far 用于比较级前说明比较级的程度

He is much taller than me.

他比我高得多。

I’m a little fatter than him.

我比他稍胖一点。

She is a little more outgoing than her sister.

她比她姐姐稍微外向/直爽一点。

He is much better at English than I.

他的英语比我的好得多。

形容词原级

as + (adj.原形) + as　　 与……一样 (adj.) ……

He is as tall as his twin brother.

This book is as interesting as that one.

4. 以y结尾形容词要去“y”，加“ier”;　 如：　

　　 heavy-heavier, funny-funnier等。

3. 重读闭音节的形容词要双写词尾字母；如：

　　 fat－fatter，thin－thinner等

2. 以e结尾的形容词直接加r； 如：

　　 nice－nicer，late－later等

1. 一般形容词直接加er； 如：

　　 tall－taller，short－shorter等

2．不规则变化

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。

4．though conj. 虽然；纵然；即使；尽管

Though it was raining，he went there. 虽然当时正下着雨，他还是到那里去了。

Though he was poor he was happy. 虽然他很穷却很快乐。

注意：不能受汉语的影响，在though引导的从句后使用but。如：

Though he was poor，but he was happy.(误)

单元知识点

形容词与副词的比较级

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。