初中八年级英语各单元知识点大归纳

初中八年级英语各单元知识点大归纳

Unit 1 Where did you go on vacation?

【语法解析】

不定代词：不指名代替任何特定名词或形容词的代词叫做不定代词。用法注意：

1. some 和any +可数名/不可数名。some 多用于肯定句，any多用于否定句、疑问句和条件从句。有些问句中用some,不用any, 问话者希望得到对方肯定回答。

2. 由some, any, no, every 构成的复合不定代词作主语时，其谓语动词用第三单

3. 不定代词若有定语修饰，该定语要置于其后：如：something interesting

二、知识点：

1. buy sth for ab./ buy sb. sth 为某人买某物

2. taste + adj. 尝起来……

3. nothing ….but + V.(原形) 除了……之外什么都没有

4. seem + (to be) + adj 看起来

5. arrive in + 大地方 / arrive at + 小地方到达某地

6. decide to do sth. 决定做某事

7. try doing sth. 尝试做某事 / try to do sth. 尽力做某事

8. enjoy doing sth. 喜欢做某事 9. want to do sth. 想去做某事

10. start doing sth. 开始做某事=begin doing sth.

11. stop doing sth. 停止做某事区分： stop to do sth. 停下来去做某事

12. dislike doing sth. 不喜欢做某事

14. so + adj + that + 从句如此……以至于……

16. tell sb. (not) to do sth. 告诉某人（不要）做某事

17. keep doing sth. 继续做某事

18. forget to do sth. 忘记去做某事 / forget doing sth 忘记做过某事

词语辨析：

1. take a photo/ take photos 拍照

quite a few+名词复数“许多…”

2. seem 形容词看起来….. You seem happy today.

to do sth. 似乎、好像做某事 I seem to have a cold

It seems + 从句似乎…. It seems that no one believe you.

seem like ….好像，似乎….. It seems like a good idea.

3. arrive in +大地点，= get to= reach+地点名“到达...”

arrive at +小地点

（注：若后跟地点副词here/there/home, 介词需省略，如：arrive here; get home）

4. feel like sth/ doing sth. 感觉像是…

5. wonder “想知道”，+疑问词（who, what, why)引导的从句。

6. because of +名/代/V-ing

Because+从句，表示直接明确的原因或理由。

He can’t take a walk because of the rain.

I don’t buy the shirt because it was too expensive.

7. enough +名词“足够…”

形容词/副词+enough

Unit2 How often do you exercise?

【语法解析】

1.频率副词: always, usually, often, sometimes, never

频率副词在句中通常放在实义动词之前, be动词或助动词之后。常用于一般现在时态中

2.“次数”的表达方法

一次once，两次twice，三次或三次以上用基数词+ times, three times, five times, 3、how often“多久一次”问频率，回答常含有频率词组或短语。

常见的how疑问词：

1）How soon多久（以后）

—How soon will he be back?他多久能回来？

—He will be back in a month. 他一个月后能回来。

2）how long “多久”，

eg.—How long did it take you to clean the house? 你打扫房子用了多久？

—It took me half an hour to clean the house. 我打扫这房子用了半小时。

3）How many+名复/How much+不可名“多少”问数量（how much 还可问价格）

二、知识点：

1. go to the movies 去看电影

2. look after = take care of 照顾

3. surf the internet 上网

4. healthy lifestyle 健康的生活方式

5. go skate boarding 去划板

6. keep healthy=stay healthy 保持健康

7. eating habits 饮食习惯8. take more exercise 做更多的运动

9. the same as 与什么相同10. be different from 不同

11. once a month一月一次12. twice a week一周两次

13.make a difference to 对什么有影响14. most of the students=most student

15.shop=go shopping=do some shopping 购物16. be good for 对什么有益17. be bad for对什么有害18. come home from school放学回家

19 .of course = certainly = sure当然20. get good grades取得好成绩

21. keep/be in good health保持健康22. take a vacation 去度假

【词语辨析】

一、maybe / may be

1. The baby is crying she is hungry.

2. The woman a teacher .

maybe 是副词，意为“大概，可能，或许”，一般用于句首。May be是情态动词，意为“可能是..，也许是..，大概是..”.

二、1）a few / few / a little / little

1. people can live to 100,but people can live to 150.

2. There is time left, I don’t catch the first bus.

3. Could you give me milk?

2）、

1. The ground is too to dig

2. I can understand them.

3. It’s raining,the people can go outside.

hard作形容词，意为“困难的，艰苦的，硬的”；作副词，意为“努力地，猛烈地”。Hardly意