优选人教版八年级英语上册unit精讲笔记

• (二)用所给词的正确形式填空：
• 1. Of the two girls, I find Lucy the _______________ (clever). • 2. Gold(黄金) is _______________ (little) useful than iron(铁). • 3. My sister is two years __________ (old ) than I. • 4. John’s parents have four daughters, and she is the _______ (young) child. • 5. The ___________ (cheap) bags are not usually the best ones. • 6. The short one is by far ___________________ expensive of the five. • 7. The boy is not so ______________ (interesting) as his brother. • 8. Dick sings ________ (well), she sings __________(well) than John, but
A+实义动词+(倍数)+形容词比较级+ than +B
This room is three times bigger than that one.
He runs three times faster than his brother.
Narrower cleverer
Biggest Hottest thinnest
Happiest driest
Narrowest cleverest
多音节词和多数双音节词在其前面加 difficult More~
more 和most
popular
Most~
• 【即学活用】
（一）比较级与最高级形式：
优选人教版八年级英语上册 unit精讲笔记
• 知识点2
• Sam has longer hair than Tom. 萨姆的头发比汤姆长。
• 【讲解】
• （1）这是一个含有形容词的比较级的句子。比较级用于两者或 者两类事物的比较，意为‘更…，较…’。通常用从属连词than连 接，表示比较。
• She has more books than he does. 她的书比他的多。
Mary sings _________(well) in her class. • 9. She will be much ________________ (happy) in her mew house. • 10. This dress is ___________________ than that one. (expensive)
• 知识点4 比较级的常用句型结构：
• 1. A+ be+形容词比较级+ than +B
( A比B….)
A+实义动词+副词比较级+ than +B
Tom is taller than Jim.
I got up earlier than my mother.
2. A +be+(倍数)+形容词比较级+ than +B ( A比B…几倍)
以重读闭音节结尾的词，末尾只有一 big
个辅音字母，应双写辅音字母再加er hot
或est
thBiblioteka Baidun
以辅音字母+y结尾的词变y为i再加-er, happy
或-est
dry
少数以-er,-ow结尾的双音节词可加-er narrow
或-est
clever
Bigger Hotter Thinner
Happier drier
• (4) 他比你更强壮. He is _________than you.
知识点3. 形容词比较级和最高级规则变化
词尾变化
原级 比较级 最高级
单音节词在词尾加-er(比较级)或est(最高级)
以字母e接尾的词加-r或-st
tall hard large
Taller Harder larger
Tallest Hardest largest
• A. more heavier B. much heavier C. heavy D. very heavy • 2.Jim is 40 kg. Tom is 38 kg. Tom is ________ than Jim. • A. taller B. thinner C. heavier D. fater
• long____ _____ wide ______ ______ heavy____ ______
slow _____ _____ few____ _____
happy_____ ______
unhappy________ fat ____ _____
far____ _____
• quickly _____ ______badly _____ _____brightly______ ____
• （2）than是从属连词，意为‘比…’，用于形容词或副词的比较 级之后，引出比较的对象，并且比较的对象前后要一致。
• He is taller than me. 他比我高。
• （3）比较级的结构：
•
A+ be+形容词比较级+than +B；
•
A +have/has +形容词比较级+名词+than +B
• My bike is more expensive than that one. 我的自行车比那个贵。
I have shorter legs than Pipi. 我的腿比皮皮的腿短。
• 【即学活用】
• 1.The box was ______than I thought. I was out of breath(气 喘吁吁) when I got home.
• 3.根据中文完成句子.
• (1) 我比我的弟弟大三岁.
• I’m___________________ than my brother.
• (2) 这棵树要比那棵树高.
• This tree______________ than that one.
• (3) 你比他矮.
You are________ than him.