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八年级上册英语所有必考点大汇总,你正需要!

2019-10-23来源:时尚黑龙江网


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Unit1 Where did you go on vacation?


【重点语法】

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 与 body, one, thing构成的复合不定代词作主语时,其谓语动词用三单。


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


【重点短语】

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.

seem + 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 感觉像…

feel doing sth. 想要做某事


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

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  足够的…...

形容词/副词+enough


Unit2 How often do you exercise?


【重点语法】

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:基数词+ times, 如: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”

—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)


【重点短语】

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......有影响/作用        

14. most of the students=most students

15. shop=go shopping=do some shopping 购物 

16. be good for 对......有益                    

17. be bad for 对......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】

1. maybe / may be

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...”.

The baby is crying. Maybe she is hungry.

The woman may be a teacher.


2. a few / few / a little / little

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