八年级上学期英语必考知识点汇总

八年级上学期英语必考知识点汇总

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

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)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。

【重点短语】

1)nothing...but + V.(原形) 除了……之外什么都没有

2)buy sth for ab./ buy sb. sth 为某人买某物

3)arrive in + 大地方/ arrive at + 小地方到达某地

4)taste + adj. 尝起来……

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

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

7)seem + (to be) + adj 看起来

8)decide to do sth. 决定做某事

9)want to do sth. 想去做某事

10)enjoy doing sth. 喜欢做某事

11)start doing sth. 开始做某事=begin doing sth.

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

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

14)dislike doing sth. 不喜欢做某事

15)so + adj + that + 从句如此……以至于……

16)keep doing sth. 继续做某事

【词语辨析】

1)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）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)wonder（想知道）+疑问词（who, what, why)引导的从句。

4)feel like sth 感觉像…

feel doing sth. 想要做某事

5)take a photo/ take photos 拍照

quite a few+名词复数“许多…”

6)enough +名词足够的…...

形容词/副词+enough

7)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.

Unit2 How often do you exercise?

【重点语法】

1)“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, 2)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）

3)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。【重点短语】

1)go skate boarding 去划板

2)surf the internet 上网