unit 3 知识点汇总
一、词汇变形
1. good/well-____________(比较级) ____________(最高级) 2. loud (adj)-____________(adv) 3. 清楚,明白___________(adj)____________(adv) 4.serious- ____________(adv)
5. 真正的,确实_________(adj)_________(adv)___________(n.) 6. break- ____________(过去式)
7. win - ________(过去式)__________(-ing)____________(n.胜利者)
8. care _____________(细心的)_______________(粗心的) 9. say-_________(过去式)__________(n.)
10. touch-_________(adj.感动的)____________(adj.令人感动的)
11. quiet- _____________(adv.) 12. reach-_________________(三单) share-___________(-ing)
二、重点词及用法
1. both的用法
①作adj. 两者的 单独修饰名词复数
There are many flowers on both sides of the street.
②作pron.,两者都
Both are my good friends. (单独使用作主语)
Both of them are my goog friends. (both of+限定词+名复/ both of+(宾格)
③作adv. both … and… 不仅…还…, …和…都…
Both you and I are students. 你和我都是学生。
I can speak both English and Chinese. 我不仅会说英文还会说中文。
2. reach的用法
①伸手 reach (for) sth. 伸手取某物
②到达 reach+地点 get to+地点 arrive in/at +地点
3. talented—(n.) talent
be talented in sth./doing sth have a talent in sth/doing 在某方面有天赋
4. should 情态动词 后接动词原形 表示建议,劝告
5. though (adv)不过,可是,然而 (conj.)虽然,尽管 =although(只用于句首)
6. necessary和must
necessary(adj.) 必要的 must(情态动词)+do
没有必要每天浇花。 It’s not necessary to water the flowers every day.
我们必须保持教室干净。 We must keep the classroom clean.
三、固定搭配
只要 as long as 与…一样… as 原级 as… (否定 not as/so …as…)不如…
和…相同的… the same as… 与…相似的… be similar to 与…不同 be different from
关心,在意 care about 使显现 bring out 事实上 in fact
和某人分享某物 share sth with sb.
擅长于 be good at= do well in 更擅长于 be better at/do better in
四、语法:1. 形容词、副词的比较级
①用法:表示两者之间的比较
②构成:I 一般情况 在词尾 +er tall-taller fast- faster
II 以字母e结尾 +r nice-nicer fine-finer
III 重读闭音节只有一个辅音字母 双写+er thin-thinner wet-wetter
fat _____________ hot ___________ red __________ sad__________
IV 以辅音字母+y结尾的双音节 先变y为ier easy-easier funny-funnier
V 多音节和部分双音节 在词前+more more interesting more enjoyable more loudly
VI 不规则变化
good/well—better bad/badly—worse many/much—more
little—less far—farther/further old—older/elder
③常用结构
⑴ A be+比较级+than B
Tom is taller than Kate.
⑵ A be +be+倍数+ 比较级 than B.
This room is three times bigger than that one. 这个房间是那个房间的三倍大。
⑶ A be the 比较级+ of the two (+…)
My brother is the taller of the two boys. 我弟弟是两个男孩中较高的那个。
⑷ 比较级 and 比较级 /more and more +原级 越来越
It’s getting colder and colder. 天气变得越来越凉爽了。
The city is more and more beautiful. 这城市越来越漂亮。
⑸ the+比较级,the+比较级。越…,越…
The more hard-working you are, the better you will be.
⑹ 疑问词 be 比较级,A or B
Which is better, Tom or Tony
④常见的修饰比较级的前置词
much/a lot/far+比较级 …得多
a bit/ a little +比较级 稍微…
even+比较级 甚至
2. 形容词副词原级的用法
① as+原级as+ 和…一样…
My new cup is as big as yours. 我的杯子和你的一样大。
I work as hard as my sister. 我和我姐姐学习一样刻苦。
② not as/ so + 原级+as 不如…
The new house is not so/as expensive as the old one. 新房子不如旧房子贵。
The boy doesn’t play the drums as well as the girl. 这男孩鼓打得不如这个女生。
练习
1.My friend is __________________(serious)than me.
2.Which is _________________(strong), a tiger or an elephant
3.This house is not big enough. We should find a much_________(big ) one.
4.Which do you like ___________(good), English or Chinese
5.Listening is just as _________________(important)as speaking in English.
6.Jack is the ____________ (old) of the two boys.
7.It is getting ___________________________(越来越凉爽)in autumn.
8.Lucy is ____________ (hard-working) than Tom, so she always gets ____________(good) grades.
9.The ___________(hard)you work,the greater progress(进步)you will make.
10.Japanese is not so ____________ (popular) as English.
11.Our hometown becomes ________________________(越来越美丽).
12.Is Shanghai ____________ (large)than any other city in China
13.My Chinese is as ____________(friend) as my father.
14. Ann is a little ___________(thin) than Tina.
15. This box is _______________(heavy) than that one.
16. To tell the __________, I’m ___________ thankful to you. You are _________ to your world.(true)
在空格处填上合适的介词。
14. My good friend is talented __________ music.
15. Liu Li’s new bike is similar _______ yours, and my new bag is the same _______ Lisa’s.
16. I‘d like to share everything ________ my best friend.
17. Nancy and Kate are good friends. Both _______ them come from the USA.
18. Both math ________ geography are difficult for me to learn.
19. Parents always care _________ our health.
20. John Hunt is quite different ___________ other writers.
21. My grandparents do morning exercise every day, so they are _______ good health.
22. D
句子翻译
1. Tara与Tina学习一样努力。_____________________________________________________________
2. 最重要的事情是学一些新的东西。_______________________________________________________
3. 一个好朋友就像一面镜子。______________________________________________________________
4. 她随时准备倾听。________________________________________________________________________
5. Tom和Sam两个人都会弹钢琴。___________________________________________________________
6.我认为朋友如书,不在多而贵在好。_______________________________________________________
7. Larry经常能帮我激发出自己的所能。_______________________________________________________
8. 我并不十分在乎我的朋友跟我一样还是与我不同。
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