——八年级上册units1-4精讲
Unit 1 How often do you exercise?
目标语言：talk about how often you do things
重点句型：What does she do on weekends? She often goes to the movies.
What do you usually do on weekends? I usually play soccer.
How often does Cheng watch TV? He watches TV twice a week.
How many hours do you sleep every day? I sleep for nine hours .
Do you think she has a healthy lifestyle ? Yes, I do.
Is her lifestyle the same as yours? Yes, it is.
Who is the healthiest? Tom is the healthiest.
重点词组：
1.how often 多久一次 2.hardly ever 几乎不
3.as for 至于 4.junk food 垃圾食品
5.a lot of 许多 6.of course 当然
7.look after 照顾 8.do exercise 锻炼
9.make a difference 有区别\有重要性 10.surf the Internet 浏览因特网
11.Animal World 动物世界 12.do homework 做家庭作业
13.a healthy lifestyle 健康生活方式 14.get good grades 获得好成绩
15.get up 起床 16.keep in good health 保持健康
17.once or twice a week 每周一两次 18.eating habits 饮食习惯
19.ten to eleven times 十到十一次 20.pretty healthy 相当健康
21.go to the movie 去看电影 22.watch TV 看电视
23.read books 看书 24.the result for “watch TV” 看电视调查结果
25.be good for 对…有益 26.want sb to do sth 想让某人做某事
27.try to do sth 试着做某事 28 .how many hours 多少小时
知识点：
1．一般现在时，第三人称单数作主语时，动词的变化规则。
1） 一般在动词后加-s词尾。如，come-comes live-lives
2） 在以ch, sh ,s, x, 或o结尾的词后要加-es, 如，
teach-teaches catch-catches wish-wishes wash-washes miss-misses guess-guesses mix-mixes fix-fixes go-goes do-does
3） 以“辅音+y”结尾的词，先变y为I 再加es,如，
Try-tries study-studies reply-replies fly-flies
2．主语为第三人称单数时一般现在时的结构
肯定式：主语+ 谓语动词的第三人称单数+其他。
He likes bananas a lot. 他非常喜欢吃香蕉。
否定式：主语+助动词（doesn’t）+动词原形+其他。
She doesn’t like milk.她不喜欢喝牛奶。
疑问式：助动词（Does）+主语+动词原形+其他
肯定回答：Yes, 主语+does.
否定回答：No, 主语+doesn’t.
-Does Kate like meat? 凯特喜欢吃肉吗？
-Yes, she does. 是的，她喜欢。
-No, she doesn’t. 不，她不喜欢。
3．频度副词的用法
1）频度副词是表示动作频率的词汇，常用的有always100%,usually80%,often50%,somtimes30%,hardly ever2% never0%
2）频度副词的位置
a) 放在连系动词，助动词或情态动词后面
b) 放在行为动词前
c) 有些频度副词可放在句首或句尾，用来表示强调
Sometimes I walk home,sometimes I go home by bus.