Unit2 How often do you exercise?

一、重点短语

help with housework 帮助做家务 on weekends 在周末 how often 多久一次

hardly ever 几乎从不 once a week 每周一次 twice a month 每月两次

be free 有空 go to the movies 去看电影 use the Internet 用互联网

swing dance 摇摆舞 play tennis 打网球 stay up late 熬夜；睡得很晚

go to bed early 早点睡觉 play sports 进行体育活动 be good for 对......有好处

go camping 去野营 not...at all 一点儿也不 in one's free time 在某人的业余时间

the most popular 最受欢迎的 such as 比如；诸如 old habits die hard 积习难改

go to the dentist 去看牙医 more than 多于；超过 less than 少于

at least 至少 have dance and piano lessons 上舞蹈课和钢琴课

二、句型荟萃

help sb. with sth. 帮助某人做某事 How about...? ......怎么样？/ ......好不好？

want sb. to do sth. 想让某人做某事 How many+可数名词复数+一般疑问句？ ...有多少...?

主+find+that从句. ......发现...... spend time with sb. 和某人一起度过时光

It's+ adj.+ to do sth. 做某事是......的。 ask sb. about sth. 向某人询问某事

by doing sth. 通过做某事 What's your favorite......? 你最喜爱的...是什么？

the best way to do sth. 做某事的最好方式

三、单元语法

频度副词

1.频度副词：表示动作发生间隔（既频率）的副词。它们有：always ; usually ; often ; sometimes ; seldom ； hardly ever ; never 等。

2. how often 意为"多久一次"，用来提问在某一段时间内进行某个动作的频率。其回答通常是 often、sometimes、never、hardly ever、always、once a day、once a week等等表示频率的副词或是短语。

例: --- She hardly ever watches TV. （划线提问） --- How often does she watch TV?

例句理解：1. -What do you usually do on weekends? -I often go to the movies.

　　　 2. -How often do you shop？ -I shop once a week.

3. 频度副词：表示频率不确定

频率短语表示频率确定

表示确定的频率短语

　every day/week/month/year 每天/周/月/年 once a week 每周一次

twice a week 每周两次 twice a month 一月两次 three times a day 一天三次

注：三次或三次以上一般用"基数词＋times"表示。

（3）在句中位置：频度副词在句中通常放在be动词、助动词、情态动词之后，在实义动词之前。

　　例：She is often late for school.He always helps me.

课堂巩固练习:

一、对划线部分提问

1）He always plays basketball after school. _______ does he always _______ after school?

2) They hardly ever play football. _______ _________ ________ they play football?

二、单项选择