八年级英语上册知识点总结Un it 1: How ofte n do you exercise?【复习目标】会使用频率副词及短语；能描述课余时间的活动安排；会描述基本饮食结构。
【语言目标】•What do you usually do on weeke nds? I sometimes go to the beach.•How ofte n do you eat vegetables? Every day•Most stude nts do homework every day.【重点词汇】•always, usually , often, sometimes , hardly , ever, never.•how ofte n, once , twice , three times a week , every day.【应掌握的词组】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 board ing 去滑板6. keep healthy=stay healthy 保持健康7. exercise=take(much)exercise=do sports 锻炼8. eat ing habits 饮食习惯10. the same as 与什么相同9. take more exercise 做更多的运动11. be differe nt from 不同12. once a month —月一次13. twice a week 一周两次14. make a differe nee to 对什么有影响15. how often 多久一次16. although = though 虽然17. most of the stude nts=most stude nts18. shop=go shopp in g=do some shopp ing购物19. as for 至于20. activity survey 活动调查21. do homework 做家庭作业22. do housework 做家务事23. eat less meat 吃更少的肉24. ju nk food 垃圾食物25. be good for 对什么有益26. be bad for 对什么有害27. wa nt to do sth 想做某事28. want sb to do sth 想某人做某事29. try to do sth 尽量做某事30. come home from school 放学回家10. the same as 与什么相同31. of course = certa inly = sure 当然32. get good grades 取得好成绩33. some advice34. hardl y=not n early / almost not 几乎不35. keep/be in good health 保持健康36. be stressed out 紧张的，有压力的37. take a vacatio n 去度假48.get back 回来【应掌握的句子】1. How ofte n do you exercise? 你（你们）多久锻炼一次身体？How often + 助动词do（does 或did） +主语+ do sth.? 疑问词how often 是问频率（多久一次）,（在这里助动词do（does或did）是起帮助构成疑问的作用）与一般现在时或一般过去时连用，回答一般是用表示频率的副词，如:once, twice, three times …,sometimes, often, quite, often, never, every day, once a week , twice a month , three times a month , three or four times a mon th 等。
翻译：你们多久到工厂去一次？”每星期两次。
”“ How ofte n do you go to the factory? ”“ Twice a week. ”他们多长时间举办一次舞会？”通常每两周举办一次。
”“ How ofte n do they have a dancing party? ”“ Usually, once every other week. ”他多久去购一次物？” 一个月一次。
”“ How ofte n does he go shopp ing? ”“ He goes shopp ing once a mon th. ”2. “ What do you usually do on weeke nds? ”"I usually play soccer. ”周末你通常做什么？”我通常踢足球。
”第一个do为助动词，在这起帮助构成疑问的作用；而第二个do则是实义动词。
翻译:What do you usually do on weeke nds? I ofte n go to the movies.What does she usually do on weeke nds? She sometimes go hik ing.3. “What' s your favorite program? ”"It ' s Animal World. ”=What program do you like best?你最喜欢什么节目？”动物世界。
”4. As for homework , most stude nts do homework every day .as for...意思是至于；关于”，常用于句首作状语，其后跟名词、代词或动词的-ing形式（即动名词）。
如：As for him ，I never want to see him here. 至于他，我永远不希望在这里见到。
As for the story ，you'd better not believe it. 关于那故事，你最好不要相信。
翻译：至于我自己，我现在不想去。
（As for myself, I don ' t want to go now.）至于那个人，我什么都不知道。
（As for the man, I know nothing about him.）5. Mom wants me to get up at 6:00 and play pin g-p ong with her .want to do sth. 意思是想要做某事”；want sb. to do sth. 意思是想要某人做某事”。
女口：Do you want to go to the movies with me ?你想和我一起去看电影吗？The teacher does n't want us to eat hamburgers. 老师不想让我们吃汉堡包。
6. She says it ' s gooobf my health.be good for...表示对........ 有益（有好处）”其反义为：be bad for...。
（这里for是介词，后跟名词、代词或动名词）女口：It's good for us to do more reading. 多读书对我们有好处。
Read ing in bed is bad for your eyes. 在床上读书对你的眼睛有害。
7. How many hours do you sleep every ni ght?8.1 exercise every day , usually whe n I come home from school .9. My eating habits are pretty good . 这里pretty 相当于very 。
10. I try to eat a lot of vegetables , usually ten to eleve n times a week .try to do sth.表示"尽力做某事”，不包含是否成功的意思而try doing sth.表示"(用某一办法)试着去做某事”。
如: You' d bett er try doing the experiment in another way.你最好试试用另一种方法做这个试验。
11. My healthy lifestyle helps me get good grades.help sb.(to) do sth. 帮助某人做某事12. Good food and exercise help me to study better.这里better是well的比较级，而不是good的比较级13. Is her lifestyle the same as yours or differe nt?=Is her lifestyle the same as your lifestyle or is her lifestyle differe nt from yours? be the same as …/ be differe nt from …14. What sports do you play ?15. A lot of vegetables help you to keep in good health .keep in good health = keep healthy = stay healthy16. You must try to eat less meat .try to do sth.表示"尽力做某事”不包含是否成功的意思,less是little的比较级17. That sounds in teresti ng.这是主语+系动词+表语"结构的简单句。
sou nd （听起来），look （看起来），smell （闻起来），taste （尝起来），feel （觉得），seem （好象），grow （变得），get （变得）等词在英语中可用作系动词，后跟形容词作表语。
如：It tastes good. 这味道好。
The music sounds very sweet. 这音乐听起来很入耳。
The smoke grew heavier and heavier. 烟雾变得越来越浓了。