新版人教版八年级上英语3 4单元知识点

发布 2022-12-15 07:20:28 阅读 3243

1,比较级,最高级变化规则。

一般在词尾+ er或est;以e 结尾的加r或st;重读闭音节双写辅音字母+ er或est;辅音字母+y结尾的,改y为i+ er或est;多音节词和部分双音节词,加more或most。

不规则变化见书本p114

2,比较级用法。

基本句型:主语+be+比较级+than+比较对象。

两者相比较用比较级 eg:who do you think is more outgoing,lily or lucy?

very,more,quite,so,too等修饰原级;much,a little,a lot,a bit,far ,even等修饰比较级

eg:i’m much/ a little / a lot / a bit /far more outgoing than my sister.

i’m even worse now.

不能与人或事物自身相比较。

eg:he is taller than any other student in his class.

china is larger than any country in africa.

比较对象要一致(that代替不可数名词,those代替可数名词复数,所有格,ones)

eg:the weather in harbin is much colder than that in wuhan.

the students of class one study harder than those of class two.

my bike is newer than tom’s.

比较级**现of the two/ twins结构时,adj比较级前要+the,不可用than

eg:tom is the taller of the two brothers.

“ 比较级+and +比较级”表示“变得越来越……”多音节或部分双音节用“more and more+原级)

eg: it gets warmer and warmer

you’re getting more and more beautiful.

“the+比较级……,the+比较级……”表示“越……,就越……”

eg: the more you exercise, the stronger you will be.

“as…as”中间接原级,表示“与…一样”,否定为“not as/ so…as”表示“不如”

eg: he is as tall as his father.

he is not as/ so tall as his father.

“比较级+than”(more/ less +原级+than)与“not as/ so…as”可以互换。

eg: i’m taller than youchinese is more important than biology.

you’re shorter than mebiology is less important than chinese

you’re not as/ so tall as me. biology is not as/ so important as chinese

比……大/多/长/宽几倍,用“主语+be+……times+比较级+than+比较对象”

eg: our classroom is twice larger than yours.

重几斤,高几公分,大几岁……,用“主语+be+数量词+比较级+than+比较对象”

eg: i’m six years older than you.

3,loudly大声地,响亮地(多含噪音之意)

aloud大声地,出声地(强调出声)read aloud call aloud for help

loud大声地,高声地,常与speak,shout,laugh,talk连用。

响亮的,大声的 loud voice

4,fast强调速度快 run/ drive fast

quickly强调动作、行动快。

soon 强调时间间隔短。

5,n体育,书法,朗读,**等比赛。

match 体育竞技比赛,球类比赛。

race 速度方面的竞赛,赛跑,赛龙舟等。

6,win+比赛,奖项。

beat+人,团队。

7,ago 以前,用于一般过去时,放在一段时间后。

before 在……以前,通常用于完成时,放在时间点或事件之前。

8,the same as→be different from be similar to =be like

9,be good at+ v-ing=do well in 擅长于。

be good for 对…有益 (be bad for对…有害)

be good to 对…友好 (good 可用friendly,nice,kind替换)

be good with和…相处好=get on/ along well with

10,true/ truly 指故事、说法、答案等与标准事实、实际情况相符。

real/ really 指人或事客观存在,不是想象的。

11,take care of=look after照顾。

care for 照料、关心某人,喜欢某人、某物。

care about 关心,计较,在乎。

12,make sb do sth

make sb/ sth +adj make me happy

make sb +n. we made him monitor.

make sb +过去分词 she spoke aloud to make herself heard.

make it 约定时间,做成某事,及时抵达 let’s make it at 10:00.

don’t worry. he’ll make it.

13,both 位置:行前be 后。

both of them/ us=they/ we both

both 作主语,谓语动词用复数。

not both为部分否定,全部否定要用either…not或者neither

both…and…=not only…but(also)… 否定为:neither…nor

14,be popular with sb受某人欢迎 be popular in/ at在某地受欢迎。

15,it is +adj+for sb +to do sth (adj修饰to do sth)it is important for me to learn english.

it is +adj+of sb +to do sth (adj修饰sb) it is kind/ friendly/ nice of you to help me.

16,bring out使显现出。

17,share sth with sb和某人分享。

18,other “其他的,另外的”,后接名词复数,有时other+n复数=others

another “又一(个),另一(个)”,泛指总数为三个或三个以上中的任意一个,后接名词单数。

the other“(两者中的)另一个”,常与one连用,“one…the other…”表示“一个…,另一个…”

19,heart learn sth by heart用心记 lose heart灰心。

20,break the law/ rules/ world record违法/违规/打破世界纪录。

break off 打断 break away from摆脱,脱离 break into破门而入 break in插嘴。

break down出故障 break out爆发 break up散火 break one’s words食言。

h**e a break/ rest休息会儿。

21,laugh发笑 laugh at 嘲笑。

smile微笑 smile at对…微笑。

22,定语从句:在复合句中修饰名词或代词的从句叫定语从句。被定语从句修饰的名词或代词叫做先行词。

引导定语从句的词称为关系词。关系词位于先行词和定语从句之间,起联系作用,同时又作定语从句的一个成分。

定语从句的关系词引导定语的关系代词有:that, who (whom, whose), which; 关系副词(在定语从句中只能作状语,且不能省略)有:when, where, why等。

关系词的选择主要取决于两个因素:(1)先行词是什么(2)先行词在定语从句中作什么成分。

关系代词(that,who,which,whose,whom)引导的定语从句。

that/ who在从句中作主语,先行词为人。

eg:the girl that/ who is reading is my sister.

that/ which在从句中作主语或宾语,先行词为物。

eg:the book that/ which is on the desk belongs to tom.(主)

he came back for the book that/ which he had forgotten.(宾)

whose在从句中作定语,先行词为人或物。

eg:this is the pencil whose point is broken.

that is the girl whose mother died two years ago.

whom/ that在从句中作宾语,先行词为人。

eg:the girl whom/ that i spoke to is my cousin.

关系副词(when/ where/ why)引导的定语从句。

when在从句中作时间状语,其先行词是表示时间的词(day/ year/ season等)。

2019新版人教版八年级上unit

unit 1 where did you go on vacation?sectionb self check 单词。decide d sad v.决定 选定。decide to do sth.try tra v.尝试 设法 努力 try to do sth.try doing sth.bird b...

新版人教版八年级上英语语法聚焦翻译 全

unit 7 grammarfocus 1 未来将会是什么样子?城市将会有更多的污染。将会有更少的树。年以后人们还使用钱吗?不,不用了。一切都将是免费的。3 世界将会和平吗?是的,我希望这样。4 孩子们将在家里通过电脑学习。我们将不用去上学。5 将会有更多的人。将会有更少的树。将会有更多的污染。将会...

人教版八年级英语上

人教版八年级英语上册一二单元重点句型。一 常考知识点。1 keep adj.保持 状态。keep sb.doing sth.继续做某事 使某人老是做某事。eg.everyone should keep our classroom clean.it s too late,but he still ke...