1、Unit 1 How often do you exercise?Section A1a1c1.exercise 名词或动词eg: Everyone should exercise once a day.If we dont get more exercise ,we will get fat.exercise 作名词时，既可作可数名词，也可作不可数名词，当作“锻炼、运动”时，为不可数名词，当表示一系列有规律的运动时作可数名词，作“练习题”讲时，也可用作可数名词。eg: We do morning exercise every day.2.hardly 几乎不，几乎没有eg:The twins
2、 hardly watch TV on weekdays.Hardly 形式上是由 hard 后加 ly 构成，但并非 hard 的副词形式，hard 本身既可作形容词也可作副词，意为“努力地” eg:My sister works hard.3.ever 曾，曾经ever 作副词，常和现在完成时连用，用在疑问句、否定句、条件状语从句中，位于句中（助动词、be 动词后，实意动词前）eg:Have you ever been to beijing?(1)ever 用于肯定句中，意为“常常、总是”eg：He is ever ready to help his friends.(2)Ever 用于含
3、有比较级或最高级的句子中，意为“在以往任何时候”用来加强语气。eg:It is raining harder than ever.(3)ever 用于特殊疑问句中，意为“究竟、到底” 。Eg:which ever do you want?4.On weekends 在周末，通常用于一般现在时中，一般指saturday、sunday,eg:I dont work on weekends.5.I often go to the movies.我经常去看电影go to the movies=go to the films/cinema2a2c1.how often 意为“多久一次”用来提问事情发生的
4、频率，常用every day ,usually,sometimes,often,never,等词或短语回答。How often 用来提问某个动作个多久发生一次How soon “还有多久才.”一般用于将来时态，回答用 in 引导的时间状语How long “（延续）多长时间”回答用带有 for 或 since 的时间状语How many times 用来提问做某事的次数，意思是“多少次”回答用 once,twice 等3.辨析 sometimes,sometime,some times,some time(1)sometimes 意为有时，做频度副词，表示动作发生的不经常性，多用于现在或过去时
5、态，在句中的位置比较灵活eg:Sometimes I am late for school.(2)Sometime 是副词，表示在过去或将来的某个时候，指的是时间点，用语过去或将来时，对它的提问用 when.eg:When will you come back? Sometime later next month.(3)Some times 是名词短语，意为几次几倍，对它提问用 how many times。eg：He has been to Shanghai some times.(4)Some time 是名词短语，表示“一些时间、一段时间” ，指时间段。eg:I will be away
6、 for some time.341.active 活跃的，积极的active 构成的短语：be active in 在某方面表现积极，eg:Lei Feng was always active in helping others.；take an active part in 积极参加，eg:Students should take an active part in exercise.2.about 几乎 ;大约，等于 around Eg：Its about lunch time.about 的其他用法：（1）作副词，意为“到处、各处、四周”eg:Im used to going abou
7、 alone.（2）作副词，意为“在附近”eg：Miss Yang must be somewhere about.（3）作介词，意为“在周围，在附近”eg:Lets walk about the scool(4)作介词，意为“关于，与有关”eg ：What do you know about him?3.as for 至于，关于相当于一个介词，多用于开始一个与前面相关的新话题，后面跟名词或代词，也可跟相当于名词的短语。eg:As for being a scientist,I havent thought about it.练习题：1.She was a quite girl,but she
8、 is very_now. (D)A.beautiful B.lazy C.friendly D.active2.“_B_do you go to the library?“ “I usually go to the library twice a week.“A. How long B.How often C.How far D.How many3.The result_B_the 500-metre race will be known right now.A. On B. Of C.at D.with 4.Most students like _ _ _.（网上冲浪）surfing th
9、e Internet5.Whats your fathers _ _?(电视节目) favourite program6.Zhang Hua piays football _ _ _ _.(一周三次)three times a week7.What do you usually do _ _(在周末 )on weekends8.John exercise every morning.(对画线部分提问)_ _ John _ every morning?9.I sleep nine hours every night.(对画线部分提问)_ _ hours do you sleep every night?10. Tom usually _(come) to school at seven in the morning.(用所给词的适当形式填空)
