高中英语必修四重要知识点
有用的知识才是真正的知识,知识的实用才有价值意义。智商的高低体现知识多少,情商的高低体现能力的大小。下面小编给大家分享一些高中英语必修四重要知识点,希望能够帮助大家!
高中英语必修四重要知识点1
【重点词汇、短语】
1. struggle 斗争
2. expand 使变大,伸展
3. thanks to 幸亏,由于
4. rid 摆脱
5. rid…of 摆脱,除去
6. be satisfied with 对…感到满意
7. would rather 宁愿
8. therefore 因此
9. export 出口
10. regret 后悔,遗憾
11. build up 逐渐增加,建立,开发
12. lead to 导致
13. focus on 集中与
14. reduce 减少
15. keep...free from/of 使…免受影响
16. comment 评论,议论
【重点句型】
1. Have you ever grown any plants? If so, whatdid you do to grow them? If not, what kind of plant would you like to trygrowing?
你种过植物吗?如果种过的话,你是怎么种植的?如果没有种过的话,你想要尝试种植什么植物?
△ If so 为省略句式,意为“如果是这样的话”,if 用作连词,so 用来代替上文的内容,以避免重复。If not 意为“如果不是这样的话,否则,要不然”,意义与 If so 相反。
2.In1974,he became the first agriculturalpioneer in the world to grow rice that has a high output.
1974年,他成了世界上第一位种植高产水稻的农业先锋。
△不定式放在表示次序的词如 the first, the last 以及 the only, the very,the right, the best
等词后面作定语,且与所修饰的名词之间构成逻辑上的主谓关系。
3. Using his hybrid rice, framers are producingharvest twice as large as before. 用他的杂交水稻,农民种出的粮食是以前的两倍。
△“…times as+形容词/副词的原级+as”为常见的倍数表达法,意为“是……的几倍”。
Thisroom is three times as big as that one.
这个房间是那个房间的三倍大。
知识拓展
英语中常见的倍数表达法还有:
This room is twice bigger than that one.
=This room is three times the size of that one.
这个房间是那个房间的三倍大。
The output of TV sets in our factory is 15 times that of ten years ago.
= The output …is 15 times what it was tenyears ago.
我们厂电视机的产量是 10 年前的 15 倍。【语法总结】主谓一致
动名词
动词的 ing 形式如果是名词,这种形式叫做动名词。动名词具有名词的性质,因此在句中可以作主语、表语、宾语、定语等。
一. 动名词的四种形式及其意义
①基本形式:doing (表示主动)
②被动式:being done(表示被动)
③完成式:having done(表示主动和完成)
④完成被动式:having been done(表示被动和完成)例如:
Travelling in space by ordinary people will be common in the future.
在未来,普通人在太空旅行将会是普遍的事情。
Freddy and his band could go nowhere without being followed by their fans. Freddy 和他的乐队到哪里都被他们的粉丝跟着。
I have no idea of his having done such a thing against you.
我不知道他做过这样一件违背你的事情。
Many customers complain of having been given short weight at that shop.
很多顾客抱怨在那家商店被缺斤少两过。
二. 动名词的语法功能
动名词在句中可以做主语、宾语、表语和定语等。
Learning English is very difficult .(作主语)学英语非常困难。
I enjoy dancing.(作动词宾语)我喜欢跳舞。
I have got used to living in the country.(作介词宾语)我已经习惯了住农村。
His job is driving a bus.(作表语)他的工作是开车。
The washing mashine woks well.(作定语)这台洗衣机非常好用。
三. 注意事项
1. 只接动名词(不能接不定式)作宾语的 28 个常用动词
practice、consider、enjoy、finish、give up、imagine、keep、put off、risk、suggest、admit、advise、allow、appreciate、avoid、delay、deny、discuss、dislike、escape、excuse、fancy、forbid、mention、 mind、miss、permit、prohibit
2. 既可接不定式也可接动名词,但含义完全不同的8 个动词 remember to do sth. 记住要做某事(未做)
remember doing sth. 记得做过某事(已做)
forget to do sth. 忘记去做某事(未做)
forget doing sth. 忘记做过某事(已做)
regret to do sth. 遗憾要做某事(未做)
regret doing sth. 后悔/抱歉做过某事(已做)
try to do sth. 努力做某事
try doing sth. 尝试做某事
mean to do sth. 计划做某事
mean doing sth. 意味着做某事
can’t help to do sth. 不能帮助做某事
can’t help doing sth. 情不自禁做某事
go on to do sth. 继续做另一件事
go on doing sth. 继续做同一件事
stop to do sth. 停下来去做另一件事
stop doing sth. 停下正在做的事情
3. it 做形式主语,动名词做真正主语位于句末的重要句型
It is no use/not any use/hardly any use/useless doing It is no good / not muchgood doing
It is no worthwhile doing It is a waste of time doing
高中英语必修四重要知识点2
【重点词汇、短语】
1. human beings 人类
2. campaign 运动,战役
3. behave 行为
4. shade 阴凉处
5. move off 离开,启程
6. observe 观察
7. respect 尊重
8. argue 讨论,辩论
9. lead a...life 过着…的生活
10. crowd in 涌入脑海
11. support 支持
12. look down upon/on 看不起
13. refer to 查阅,参考,涉及
14. by chance 碰巧
15. come across 偶遇
16. intend 计划,打算
17. deliver 提送,生(小孩),接生,发表(演说)
18. carry on 继续,坚持
【重点句型】
1. She also discovered how chimps communicatewith each other and her study of their body language helped her work out theirsocial system.
她还发现了黑猩猩之间是如何交流的,而她对黑猩猩身势语的研究帮助她弄清楚了黑猩猩的社会体系。
△ work out 解决、解答、计算出;产生结果、发展;锻炼;作出、制订出
2. She is leading a busy life but she says …
她过着忙碌的生活,但是她说……
△ lead a …life = live a …life 过……的生活
3. Many people look down upon poor people. 很多人瞧不起穷人。△ look downupon / on 蔑视;轻视;瞧不起
Youmustn’t look down upon/ on the disabled.
你绝不能瞧不起残疾人。
4. If the word group refers to differentmembers, use a plural verb.
如果 group(作主语)指的是各个成员,谓语动词用复数。△ refer to 指的是:提及;谈到;提到;查阅、参考
5. By chance I came across an article about adoctor called Lin Qiaozhi, a specialist in women’s diseases.
很偶然地,我看到了一篇关于林巧稚大夫的文章,她是一名妇科专家。
△ by chance=by accident 偶然地,意外地
6. Why not study at medical college like LinQiaozhi and carry on her good work?
为什么不像林巧稚那样去读医学院,继续她的伟大事业呢?
△ carry on 继续;坚持
高中英语必修四重要知识点3
【重点词汇、短语】
1. be famous for 以…闻名
2. swing 秋千,摇摆
3. no wonder 难怪,不足为奇
4. preserve 保存,保留,保护区
5. be modeled after 仿造
6. advance 前进,促进
7. in advance 提前
8. get close to 接近
9. come to life 活跃起来
【重点句型】
1. Some parks are famous for having the biggestor longest roller coasters, others for showing the famous sights and sounds ofa culture.
有些主题公园拥有最大或最长的过山车而出名,另外一些则以拥有名胜或特色文化而闻名。
△此句中含 some...others“有些……有些……”句型,同时用了承上省略的语法方式。
2. It will bring you into a magical world andmake your dreams come true, whether you are traveling through space, visiting apirate ship or meeting your favorite fairy tale or Disney cartoon character.
无论你是在太空遨游,参观海盗船,还是邂逅你喜欢的童话故事或者迪斯尼卡通里的人物,迪斯尼都会把你带到魔幻的世界,使你的梦想变为现实。
△句中 whether…or…的含义是“无论是……还是……;不管是……还是……”,引导让步状语从句。
3. Visit the candy shop to try the same kind ofcandy that American southerners made 150 years ago.
你可以光顾糖果店,在那里品尝到和 150 年前美国南方人制作得一模一样的糖果。△句中 the same …that 意为“和……一样的”,表示前后的事物为同一事物。
辨析:the same…that/the same…as
the same… as 用来表示前后两者的相同或相似,而非同一物品;而 the same…that 表示前后的事物为同一事物。
I want to buy the same dress as you have.
我想买一条和你的一样的裙子。
I want to read the same book that you read.
我想看你看过的书。【语法总结】构词法
一. 转化法(conversion)
在英语中,一个单词由一种词性转化为另一种或几种词性而词形不变的方法叫做转化法。
1. 动词转化为名词
Let me have a try.
让我试试。
They are only allowed to sell soft drinks at school.
在学校里只准许他们出售不含酒精的饮料。
2. 名词转化为动词
He shouldered his way through the crowd.
他用肩膀推开人群前进。
The smell from the kitchen made his mouth water.
从厨房传来的气味使他流口水。
3. 形容词转化为动词
We will try our best to better our living conditions.
我们要尽力改善我们的生活状况。
They tried to perfect the working conditions.
他们努力改善工作条件。
4. 形容词转化为名词
He didn’t know the difference between right and wrong.
他不辨是非。
The old in our village are living a happy life.
我们村的老年人过着幸福的生活。
5. 形容词转化为副词
How long have you lived there?
你在那儿住多久了?
6. 个别词在一定场合中可转化为名词
Warm clothes are a must in the mountains.
穿暖和的衣服到山区去是必须的。
Lifeis full of ups and downs.
人生有得意时也有失意时。
His argument contains too many ifs and buts.
他的辩论中含有太多的“如果”和“但是”。
二. 合成法(composition)
由两个或两个以上的单词连在一起合成一个新词,这种构词法叫做合成法,合成的词叫做合成词(compounds)。合成词的写法由习惯决定,可以写在一起,也可以用连词符号连接。
1. 合成名词名词/代词+名词
newspaper blood-test she-wolf
动词+名词
typewriter pickpocket daybreak
形容词+名词 greenhouse highway
副词+名词 overcoat outside
名词+v.-ing/v.-ing +名词
handwriting reading-room freezing-point
动词+副词/ 副词+ 动词
breakthrough get-together outbreak outcome
名词+介词+名词 sister-in-laweditor-in-chief
2. 合成形容词
名词+形容词/形容词+名词
world-famousduty-free large-scale long- term 副词+形容词
over-anxious evergreen
名词+过去分词
man-made sun-burnt
名词+现在分词
peace-loving English-speaking
形容词+现在分词
good-looking easy-going
副词+过去分词
well-informed widespread
副词+现在分词
hardworking far-reaching
形容词+名词+ed
warm-hearted absent-minded
数词+名词+ed
three-legged ten-storied
数词+名词
one-way five–star
数词+名词+形容词
ten-year-old 800-meter-long
名词+to+名词
face–to-face door - to -door
3. 合成动词名词+动词 baby-sit sleepwalk
副词+动词
outnumber underestimate overwork
形容词+动词 whitewash
4. 合成副词
形容词+名词
meanwhile anyway
形容词+副词
everywhere anyhow
副词+副词
however
介词+名词
beforehand overhead
介词+副词
forever
5. 合成代词
代词宾格+self/selves herself themselves 物主代词+self/selvesmyself yourselves
形容词+名词 anything nothing
6. 合成介词副词+名词 inside outside
介词+副词 without within
副词+介词 into
三. 派生法
由一个词加上前缀或后缀构成一个与原单词意义相近或截然相反的新词叫做派生法。
1. 前缀
除少数前缀外,前缀一般改变单词的意义,但不改变单词的词性。
(1)表示否定意义的前缀
un-unhappy,unfinished,undress
dis-disagree,disbelieve
in[il-(在字母 l 前),im-(在字母 m,b,p 前),ir(在字母 r 前)]-inaccurate
illegal,impolite
imbalance,irregular
mis-misbehave,mislead mistake
non-nonstop,nonsmoker
(2)表示其他意义的前缀
en-“使……”
enrich ,enlarge,encourage
inter-“相互”
international,intercontinental
re-“再,又,重”
rethink,retell,recycle
tele-“远程的”
telescope,telephone,telegraph
auto-“自动的”
automatic,automobile
co-“共同”
coworker,cooperate,coexist
anti-“反对,抵抗”
antiwar,antifreeze,antinuclear
multi-“多”
multistory,multicultural,multicolor
bi-“双,二”
bicycle,bilingual,bilateral
micro-“极小的,微小的”
microwave,microcomputer
over-“太多,过分”
overwork,overdo,overestimate
self-“自己,本身”
self-centered,self-confident,self-control
under-“ 在 …… 下面, …… 下的,不足的 ”
underline, underground, underestimate,underrate
2. 后缀
(1)形容词后缀
-able“可……的,具有……的”
acceptable,drinkable,knowledgeable,reasonable
-al“与……有关的”
physical, magical, political
-an“属于某地方的人”
American,African
-ern“方向”
southern, northern, eastern
-ful/less“(没)有……的”
helpful, useful,homeless, hopeless
-ish“如……的;有……特征的”
foolish,childish,selfish
-ive“有……倾向的”
active,attractive,expensive
-en“由……制成的”
golden,wooden,woolen
-ous“有(性质)的” famous,dangerous, poisonous -ly “有……性质的” friendly yearly daily-y“构成形容词” noisy dusty cloudy
(2)名词后缀
-er/ or“表人或用具”
farmer, baker, visitor,professor, cooker, container
-ese“某国(人)的”
Chinese, Japanese
-ian“某国、某地人;精通……的人”
musician, Asian, Russian, technician
-ist“某种主义或职业者”
physicist, scientist, communist,socialist
-ess“表女性,雌性”
hostess, actress, princess
-ment“行为或其状态”
government, movement, achievement
-ness“性质,状态”
illness, sadness, carelessness
-tion“动作,过程,结果”
invention, organization, translation
-ance/ence“抽象;行为、性质、状态” importance, appearance, absence, existence -th“性质、情况” depth, warmth, truth
-ful“(满的)量”
handful, spoonful, mouthful
-(a)bility“抽象、性质、状态”
possibility, disability, reliability
-al“过程、状态”
survival, arrival, approval
-y“性质、情况”
modesty, delivery, honesty
-dom“处于……状态;性质”
freedom, boredom
-age“状态,行为,身份及其结果”courage, storage, marriage
(3)动词后缀
-fy/ ify“使得;变得”
simplify, beautify,purify
-en“使成为……;变得”
shorten, deepen, sadden
-ize“使成为”
apologize, realize, specialize
(4)副词后缀
-ly“方式,程度”
freely, truly, angrily
ward(s)“向……”
towards, forward, upwards
(5)数词后缀
-teen“十几”
fourteen, eighteen, thirteen
-ty“整十位数”
forty, fifty, sixty
-th“序数词”
twelfth, twentieth
高中英语必修四重要知识点4
【重点词汇、短语】
1. represent 代表,象征
2. approach 接近,靠近
3. defend 保护,保卫
4. defend against 保卫…以免受
5. likely 可能的
6. be likely to 很可能
7. in general 总的来说,通常
8. ease 安逸,减轻
9. at ease 舒适,自由自在
10. lose face 丢脸
11. turn one’s back to 背对,背弃
【重点句型】
1. The first person to arrive was Tony Garciafrom Colombia, closely followed by Julia Smith from Britain.
第一个到达的是来自哥伦比亚的托尼?家西亚,随后紧跟着的是来自英国的茱莉亚?史密斯。
△ 句中 closely followed by…是过去分词短语作伴随状语,一般现在分词作伴随状语的时候较多,但如果伴随的动作与所修饰的名词构成被动关系,则用过去分词。
2. Not all cultures greet each other the sameway, nor are they comfortable in the same way with touching or distance betweenpeople.
各种文化背景下的人们互致问候的方式不尽相同,身体接触的程度和相互间距离也并不一样。
△ 本句中 not all“并不是所有的”,是部分否定,在英语中有一些用来表示“全体”或“完全”意义的总括词,如 all, both, every, everything, entirely, completely 等,与 not 连用时,无论 not 在它们前面还是后面,都构成部分否定,意为“并非所有……都”,“并非每一……都”。
3. These actions are not good or bad, but aresimply ways in which cultures have developed.
这些行为都无所谓好坏,只不过是文化发展的不同方式而已。
△ 句中 ways 后面跟的是 in which 引导的定语从句。当先行词是 way 时,后面的定语从句如果缺少方式状语,引导定语从句的引导词有三种方式:inwhich, that 或不用任何引导词。
高中英语必修四重要知识点5
【重点词汇、短语】
1. up to now 直到现在
2. content 满足的,满意的
3. feel/be content with 对…满足
4. badly off 穷的,缺少的
5. entertain 使欢乐,款待
6. overcome 战胜,克服
7. pick out 挑出,辨别出
8. cut off 切断,断绝
9. convince 使信服
10. direct 导演,指挥;直接的
11. star in 担任主角
12. slide 使滑动
13. whisper 耳语,低语
14. react 做出反应,回应
【重点句型】
1. Not that Charlie’s own life was easy!
倒不是说查理自己的生活是轻松的。
△ not that“并非,倒不是说”,用于句首或短语之前,表否定含义。
2. You may find it astonishing that Charlie wastaught to sing as soon as he could speak and dance as soon as he could walk.
你会觉得震惊,卓别林则会讲话的时候就被教唱歌,刚会走路的时候就学跳舞。
△ 此句中 it 作形式宾语,that 从句是真正的主语;astonishing 是动词-ing 形式作宾语补足语,与宾语构成主谓关系。
3.Unfortunately his father died, leaving the family even worse off…
不幸地是他的父亲去世了,整个家庭的状况更糟了……
△ 本句中 leaving the family even worse off…为现在分词短语作结果状语,表示顺其自然的结果。
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