Unit1 How often do you exercise( Section A).ppt

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1、Unit1 How often do you exercise Section ATeacher:Mi ss Xiaoalways的用法1.always(100%)，表示动作重复，状态继续，中，表示动作重复，状态继续，中间没有间断，意思说间没有间断，意思说“总是总是”“永远的永远的”eg：The sun always rises in the east and sets in the west.Customers are always right.2.always与进行时态连用，并不强调动作正在进与进行时态连用，并不强调动作正在进行，而是表示说话人的行，而是表示说话人的“赞扬赞扬”，“不满不满

2、”，“厌烦厌烦”等情绪，有强烈的感情色彩。等情绪，有强烈的感情色彩。eg:She is always thinking of others.(赞扬）often的用法He is always asking for money.(厌烦）You are always finding fault with me.(不满）3.always与与not 连用表示部分否定，意思是连用表示部分否定，意思是“不总不总是是”eg：The rich are not always happy.1.often(50%)，意味常常，但不如，意味常常，但不如usually那么频那么频繁，表示动作重复，中间有间断。繁，表示动作

3、重复，中间有间断。eg：He is often late for school.2.Often在句尾是常常被在句尾是常常被very或者或者quiet修饰。修饰。eg：We play basketball after class veryquiet often.sometimes的用法：的用法：1.sometimes(20%),意为意为”有时有时“，表示动作偶尔，表示动作偶尔发生，可以位于句首表示强调。发生，可以位于句首表示强调。eg：It is sometimes hot and sometimes cold.Sometimes it will snow in Sichuan in winte

4、r.2.sometime 与形似词的区别与形似词的区别sometime是副词，意为是副词，意为“在某个时候在某个时候”“某时某时”。eg.She was there sometime last year.some time 是名词词组，意为是名词词组，意为“一段时间一段时间”，做，做时间状语。时间状语。eg.I will stay here for some time.some times是名词词组，意为是名词词组，意为“几次，几倍几次，几倍”eg.I met him some times in the street last week.The shop is some times large

5、r than that one.频度副词表示的频率由高到低：频度副词表示的频率由高到低：alwaysusuallyoftensometimeshardly ever(几乎没有几乎没有)neverShe always shops.=always goes shopping.What does she do on weekends?.She usually reads.=does some reading.What does she do on weekends?They often watch TV.What do they do on weekends?Sometimes,she goes t

6、o the movies.=She sometimes goes to the movies.=She goes to the movies sometimes.What does she do on weekends?He hardly ever skateboards.=goes skateboardingWhat does he do on weekends?hardlyadv几乎不，几乎没有修饰动词或与ever连用构成词组I could hardly stand after a long time walk.hardadv努力地，猛烈地修饰动词It is hard work,so yo

7、u must work hard.adj困难的，硬的修饰名词He never exercises.What does he do on weekends?Exercise:v(不及物）”锻炼，运动“eg:He exercises.n(可数）”练习题，体操“eg:do math exercises.do morning exercises.n(不可数）”锻炼，运动“eg:takeget exercise.次数的表达方法：一次：once两次：twice三次及以上：数字+times(做”次数，倍数“讲时是可数名词。）eg:once a day=every day每天一一次 twice a week每

8、星期两次 three times a month每月三三次 four times a year 每年四次 five times a year每年五次频度副词的用法：通常用于一般现在时态或一般过去时态中。位置：行前系后情助后。但带有every,a或an的频度副词或短语（通常是具体的频率）常至于句首或句末。sometimes可放在句首、句中或句末。alwaysusuallyoftensometimeshardly everneverevery dayevery morningonce a weektwice a weekthree times two yearsA:How often do you

9、 exercise?B:three times a weekexerciseB:Once a week.A:How often do you surf the Internet?2C-How often do you watch TV?-I watch TV once a week.-Whats your favorite program?=like best -Its Animal World.-How often do you watch it?-I watch it every day.辨析：how often,how long,how soon和how many times1.how

10、often 问频率，意为“多久一次”，答语一般是once a week,twice a day等。2.how long 问时间段，意为”多久“，答语常是20 minutes,about two days,for two weeks等。3.how soon问多久以后，常用于将来时态时，答语常是in two days等。4.how many times问次数，意为”多少次“，回答常是once,twice,five times等第一人称第二人称第三人称单数I 我You 你he 他she 她It 它复数We 我们You 你们They 他们动词第三人称单数变化规则(1)在动词后加-sread-reads

11、，write-writes，say-says(2)以s，x，ch，sh，o 结尾的词加-es teach-teaches，wash-washes，guess-guesses(3)以辅音字母+y结尾的词变y为i再加-es try-tries，carry-carries(4)特例：have has,do-does一般现在时助动词的运用第一(I )、二(you )人称和复数(they we you )借do.回答时动词没有变化。如：What do you/they do on weekends?I/They usually play(动词)soccer.第三人称(she,he,it,Jim(具体某个

12、人）借does.回答时动词用第三人称单数。What does she/he/Jim do on weekends?She/He/Jim usually plays soccer.What Do Students Do at Green High School?Here are the results of the student activity survey at Green High school.Most students exercise three or four times a week.Some students exercise once or twice a week.Som

13、e students exercise every day.As for homework,most students do homework every day.Some students do homeworkHere be+n”这里有.”be根据后面名词决定单复数。此句为倒装句。Herethere+行为动词+n也可成倒装句。Eg.Here is the book.Here are the books.Here come the actors.the result(s)of “的结果”most的用法的用法:1.作adj“大多数的，大部分的”用于名词前做定语。Most childred li

14、ke watching TV.2.作pron“大多数，大部分”常用短语most of.most of+npron做主语时，谓语动词由npron决定。而且n前要用冠词，物主代词或指示代词修饰。Most students like watching TV.（adj)=Most of the students like watching TV.(pron)约数的表示方式：基数词基数词+or+基数词基数词+名词名词Eg.One or two students.Two or three desks.”一两个的另一种表达方式一两个的另一种表达方式:aan+名词名词+or+two.One or two st

15、udents=a student or two.as for“至于，关于“three or four times a week.No students do homework once or twice a week.The results for“watch TV”are interesting.Some students watch TV once or twice a week,some students watch TV three or four times a week,but most students watch TV every day.no 用来修饰名词，置于名词之前用来修饰名词，置于名词之前Eg:She may have no money to buy that book.not是副词，修饰动词，用于是副词，修饰动词，用于be动词，情态动词，动词，情态动词，助动词之后，动词不定式及分词之前。助动词之后，动词不定式及分词之前。Eg:I can not come to your party.