2018新人教版八年级上册英语单元语法及知识点归纳
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
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
