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1、,7A Unit4 Gammar,in,on,at,Read & Think,4,12,6,7,8,10,11,9 3,They do morning exercises at 8 oclock.,Childrens Day is on June 1st.,It is very cold in winter.,They do morning exercises at 8 oclock.,Childrens Day is on June 1st.,It is very cold in winter.,We always have English lessons _ the morning. Te
2、achers Day is _ September. We often go swimming _ summer. Millie was born(出生于) _ 1990.,in,in,in,in,we use in before _, _, _, _.,parts of the day,months,seasons,years,in:,(in用于表示泛指的某天的各个部分;月份;季节及年份）,spring, summer, autumn, winter,Our lessons begin _ 8:15. My father often reads newspapers _ breakfast.
3、 Millie comes to China _ 7 years old.,at,at,at,we use at before:_, _, _.,clock time,mealtimes,age,at:,(at 用于表示具体的钟表上的时间,就餐时间, 及年龄）,at noon 在中午 at midnight 在夜里,at the weekend/at weekends 在周末,some festivals(节日),at Christmas 在圣诞节,we use on before:_, _, _, _.,days,dates,on:,(on 用于表示具体的日子，日期；特指某天的各个部分；一些
4、特殊的节日),parts of a specific(特定的) day,special(特殊的) holidays,1. We have a PE lesson _ Friday. 2. Our National Day(国庆节) is _ October 1st. 3. I often practise volleyball _ Wednesday afternoon. 4. The children always have fun _ Childrens Day.,on,on,on,on,_ Christmas Day,at Christmas 在圣诞节,on,表时间时， at 强调 “点
5、”， in 强调 “段”， “日” 某日的早 on 强调 某日的中、 某日的晚 。,at强调“点”， in强调“段”， on强调“日”和 某日的早、中、晚。,表时间时， at强调“点”， in强调“段”， on强调“日”和 某日的早、中、晚。,表时间时， at强调“点”， in强调“段”， on强调“日”和 某日的早、中、晚。,Circle,at,in,in,in,on,on,in,on,Practice,Fill in the blanks with “in” “on” “ at”.,1. Halloween party is _ the evening of October 31st. 2
6、. I was born _ 1990. And my birthday is _ May 16th . 3. Well have a party _ next week. 4. Im good at English. I want to go to America _ the age of 20. 5. We have a Maths lesson _ 7:40 _ Monday morning.,on,in,on,at,at,on,6. Birds fly to the south(南方) _ autumn. 7. My father usually goes fishing _ the
7、weekend. 8. It is good to go for a walk _ a sunny morning. 9. He always goes to the library _ Mondays. 10. I like playing tennis _ the afternoon, but I will play basketball _ this afternoon. 11. The boy gets home _ a cold winter morning. 12. We have a party _ New Years Day.,in,on,on,in,at,on,Tommy a
8、nd Millie often chat with each other on the Internet .Do you often chat on the Internet? How often do you write emails?,You chat with friends on the Internet every day. You only chat with friends on Sundays.,You always chat with friends on the Internet.,You sometimes chat with friends on Sundays.,al
9、ways,sometimes,Adverbs of frequency,What ?,Adverbs of frequency,0%,never,20%,seldom,40%,sometimes,60%,often,80%,usually,100%,always,Adverbs of frequency,never,seldom,sometimes,often,usually,always,Play basketball,Play badminton,skate,dance,swim,Play football,never,0%,seldom,20%,sometimes,40%,often,6
10、0%,usually,80%,always,100%,_,_,_,_,_,_,Adverbs of frequency (频率副词),频度副词 (频率由高到低): always (总是) usually(通常) often (经常) sometimes(有时) seldom(很少) never(从不),often,seldom,usually,never,always,sometimes,观察Mary的一周活动表，用适当的频率副词填空：,1. Mary _ dances. 2. Mary _ listens to music. 3. Mary _ goes fishing. 4. Mary _
11、 plays basketball. 5. Mary _ plays computer . 6. Mary _ watches a film.,always,usually,never,rarely,sometimes,often,Tick() the answers.,Talk about your whole day using the adverbs weve learned.,Well, in the morning, I usually get up about seven a.m. I need an alarm clock of course! I never get up im
12、mediately. I lie in bed for ten minutes，thinking about what I need to do that day. I always brush my teeth as soon as I get up. I usually have some eggs for breakfast, but I seldom drink coffee, it is too bitter, but I often have some milk. After that I go to work.,定义 : 英语中always, usually, often, so
13、metimes, seldom, never等，叫做频度副词。这类词用来表示某一动作发生的频率，或某一状态出现的频率，即在一定的时间内动作重复发生或状态重复出现的次数 .,分类： 模糊频度副词 精确的频度副词,模糊频度副词 general,这些词都是表示事情发生频率的副词，也是不准确地说某事在一段时间内发生的次数。,精确的频率副词:specific 以下这些频率副词可以准确地表达事情发生的频率。,注意：在记忆时，我们只要记住once（一次）和twice（二次）就可以了。其他发生次数只要用“数字times”来表达就可以了。,频度副词在句中的位置：,在行为动词,句子末尾,模糊频率副词： 精确的频率
14、副词:,be动词之后,对划线部分提问： He plays football every day.,How often does he play the football?,Once /twice/three times/six days a week,如何回答：,如何提问？,比较下列句子 ：,1.He goes swimming four times a day . 2.He goes swimming four times a day .,How often does he go swimming?,How many times does he go swimming a day ?,反思与
15、心得： What have you learnt?,Some students :,always surf the Internet. usually play computer games. often sleep late. sometimes watch TV. hardly take a bath. never do homework by themselves.,一. 根据首字母及句意补全单词 1.The girls o_ eat vegetables but the boys s _ eat them . 2.Simon is in bad health. He a_ stay at home and watches TV. He n _ exercises.,ften,eldom,lways,ever,太阳总是从东方升起,西方落下. The sun _ _ rises in the east and sets in the west. 2.他通常点钟睡觉 H
