Unit2 How often do you exercise知识点 人教版八年级英语上册

unit2 How often do you exercise知识点1.help with sth. 帮助做某事
help sb. with sth. =help sb. (to) do sth. 帮助某人做某事
help oneself (to sth. ) 随便吃（某物）；款待
can’t/ couldn’t help doing sth. 情不自禁做某事
2.housework un.
3.sometimes 有时
some times 几次；几倍
sometime 某时
some time 一段时间
4.hardly ever = hardly= almost not
hard
5.how often 多久一次
how long 多长
how far 多远
how soon 多久之后
6.What’s your favorite ……?= What ……do you best?
7.be free=have time
be free to do sth.
8.be full of ……
9.How come?= Why?
10.have lessons ---have a/an …lesson
give sb. a lesson
11.How about……?= What about…?
12.go to the movies 去看电影
13.maybe
may be
14.at least 至少at most 最多
15.want sb. to do sth.
16.be good for …
be good at ……
be good with ……
17.keep/stay/be healty=keep in good health
18.How many…. How much …..
19.ask sb. about sth. 问某人关于某事的情况
ask for 要；要求；请求
ask for a leave 请假
20.find that 从句
find +宾语+名词
find+宾语+现在分词
21.基数词+percent---根据它所修饰的名词的单复数来判断谓语的单复数。

22.not at all (1) 不用谢；不客气
（2）用来回答带有感谢性的客套话。

“没什么；哪里哪里”
（3）没关系
（4）一点也不
23.interesting(事物) interested（人）
be interested in ……
24.by + 交通工具
by+时间---到……时；在……以前
by+地点---在……旁边
25.the best way to do sth. 做某事最好的方法
26.through ---表示从某个空间或内部“穿过；横过”。

Over 表示从某物的上方“越过”。

Across 表示从某物的表面“横过；穿过”
27.such as “比如；诸如”，多用来列举同类人或事中的几个例子，such as之前
一般用逗号和主句隔开，后面直接加名词性短语。

28.die---died---dead---death
29.however “然而；可是”
but
30.too
also
either
31.more than = over
32.go to the dentist= see a dentist 去看牙医
33.be afraid to do sth.
be afraid of sb./sth.
I’m afraid that……
34.less than 不到；少于
more than 多于；超过。