2025届高三英语一轮复习：as的用法课件(共31张PPT)

(共31张PPT)
AS的用法合集
时间
As总共有几种词性？
1. prep.介词
2. conj.连词
3. conj.关代
高能精讲：
一.介词：作为
时间
用法一:介词-prep-表示作为
2.As an adult, he has to make a living in the big city.
高能精讲：
3.As a gardener, she should look after all the flowers.
1.She spoke as a teacher.
4.I found a job as a teacher. (take sb. as/treat sb. as...)
作为,某种身份
作为
作为,某种身份
作为,当作
5.He is known as a successful lawyer.
be famous as=be known as表“以..身份而著名”
be famous for=be known for表“因..而闻名“的区别
6.Qingdao is known for its beautiful summer.
作为,当作
因…
练习一
作为一名学生，我们应该承担起努力学习和建设美好新中国的责任。
高能精讲：
As a student, we should shoulder the responsibility of studying hard and building a great new Chins.
二.连词：当…时/一边
时间
用法二:连词-conj.引导时间状语从句：当…时/一边
高能精讲：
1.Jack was cooking fish as his father arrived home.
当…时候
一边…一边
2.Jack listens to music as he does his homework.
as=when
一边…一边
练习二
1.杰克正在泳池游泳当手机铃声响了。
高能精讲：
1.Jack was swimming in the swimming pool as the phone rang.
2.杰克一边画荷花一边与人交谈。
2.Jack draws the lotus as he talks with someone.
三.连词：原因
时间
用法三:连词-conj.引导原因状语从句：原因
语气上较弱，较口语化，一般放在句首
高能精讲：
1. As snow has fallen, the air becomes cooler.
表示结果发生的原因
as=原因
2. As he is tall and stout, he can carry heavy things.
as=原因
表示结果发生的原因
3. As the weather is hot, we drink a lot of water.
表示结果发生的原因
as=原因
练习三
交通拥挤，我们迟到了音乐会。
高能精讲：
As the traffic was heavy, we was late for the music concert.
四.连词：虽然
时间
用法四:连词-conj.引导让步状语从句：虽然
形式上的倒装语序
高能精讲：
1. Young as Jack is, he has been one of the most well-known musicians in our country.
表示虽然，尽管
as=让步,尽管-倒装结构
2. Strange as it looks, the building attracts nearly 5 million visitors every year.
as=让步,尽管-倒装结构
表示虽然，尽管
练习四
路漫漫其修远兮,吾将上下而求索。
高能精讲：
Long and winding as my journey is , I will keep on exploring my way far and wide."
五.连词：以…方式/像
时间
用法五:连词-conj.引导方式状语从句：以…方式/像
高能精讲：
1. When in Rome, do as Romans do.
以…方式
as=像
2. You must try to hold the tool as I do.
以…方式
as=像
练习五
我们离不开空气，犹如鱼儿离不开水。
高能精讲：
As water is to fish, so air is to man.
六.连词：同级比较
时间
用法六:连词-conj.引导比较状语从句：和…一样
同级比较，中间只用adj./adv.原级
高能精讲：
1. Jack is as tall as Mr.Wang
as adj. as
as…as 同级比较
2. This pen writes as smoothly as mine.
as…as 同级比较
as adv. as
练习六
这部电影和那部电影一样有趣。
高能精讲：
This film is as interesting as that one.
七.关代：限制性定从
1.Tom invited all such person as were likely to come.
2.This is such a good book as everyone likes.
1.such+n+as-关系代词 :主宾表
3.We’ve never seen such a fool as he is.
高能精讲：
用法七:关代-conj.引导限制性定从：主，宾，表语
用在3种句型当中：the same as/so…as/ such…as
1.Is this the same mosquito as bit you just now
2.This is the same knife as I lost.
2.the same+n+as-关系代词 :主宾表
3.Lucy is just the same person as she used to be.
高能精讲：
用法七:关代-conj.引导限制性定从：主，宾，表语
用在3种句型当中：the same as/so…as/ such…as
1.Tom is so kind a person as is willing to offer us help.
2.This is so sharp a knife as everyone likes.
3.so+adj+n+as-关系代词 :主宾表
3.The spot is so attractive a place as it used to be.
高能精讲：
用法七:关代-conj.引导限制性定从：主，宾，表语
用在3种句型当中：the same as/so…as/ such…as
练习七
科比是这样一位每个人都爱戴的意志力强的篮球明星。
高能精讲：
Kobe is such a strong-willed basketball star as everyone loves.
八.关代：非限制性定从
高能精讲：
用法八:As做主语/宾语-人/物 非限制性定语从句:
有逗号隔开，段首，中，尾，翻译过来叫作“正如”
从句多含有see, know, expect, tell, report等动词
1.(As is known to all), fish can’t live without water.
句首/主语
高能精讲：
用法八:As做主语/宾语-人/物 非限制性定语从句:
有逗号隔开，段首，中，尾，翻译过来叫作“正如”
从句多含有see, know, expect, tell, report等动词
2.The famous magician Liu Qian, (as we all know), is from Taiwan.
句首/宾语
高能精讲：
用法八:As做主语/宾语-人/物 非限制性定语从句:
有逗号隔开，段首，中，尾，翻译过来叫作“正如”
从句多含有see, know, expect, tell, report等动词
3. The monkey ate a snake, (as the scientist expected.)
句尾/宾语
练习八
正如天气预报的那样，明天会有暴风雪。
高能精讲：
As is reported in the weather forecast, there will be a snowstorm tomorrow.
Thanks