八年级上unit 2 单元知识小结.docx

Unit 2 How often do you exercise?
单元知识小结;
典型单词
关于频率副词::always, usually, often, sometimes, hardly (ever), never, once a week, twice a month, three times a year, a few times a week, every day, almost every day 等
A:always 与never 互为反义词。
B: 区分some time一段时间, sometime某时, some times数次, sometimes有时
C: 区分hard与hardly (ever): hard 勤奋,努力,艰苦,困难;hardly几乎不
D: 位置:be/助动词之后,实意动词之前;对频率提问一般用how often, 常用一般式。
Free: A: 空闲,有空be free = have time反义词为be busy ; B: 免费的。
Health的相关单词:
health(名)健康;healthy(形)健康的;healthily(副)健康地;以及unhealthy, unhealthily
over的用法:
A 在…以上,与below相反; B 超过,多于=more than ,反义词为less than.
none的用法:没有一个,常构成none of…; = no one / nobody 或 nothing.
构词法: write – writer, work – worker, teach – teacher; act – actor, visit – visitor.
重点短语:
1、help (sb) with sth // help sb (to) do sth 帮助某人做某事
2、go shopping / swimming / fishing / camping / skating 去购物/游泳/钓鱼/宿营/滑冰—室外;
do some shopping/cleaning/reading—室内;
3、 at least 至少 4、stay up (late) 熬夜,加班
5、play sports = do sports = exercise 锻炼,运动
6、want (sb) to do sth想要(某人)做…---- ask / tell sb to do sth要求/告诉某人做…//
ask / tell sb about sth问/告诉某人关于…
7、such as 比如,列如 8、be good for 对…有益--- be bad for 对…有害
9、be smart about…注意,关注…
10、spend time with sb 与某人一起度过---spend + 时间+doing sth花多少时间做某事
--- spend + 时间+on sth 花多少时间在什么事上
11、three or four times三四次// three to four times三至四次 12、learn about 学****了解…
典型句子:
1、What do you usually do in your free