Unit 2 How often do you exercise? Section A (Grammar Focus~3c) 学案（含答案）

Unit 2 Section A (Grammar Focus~3c)
【学习目标】
1.能背诵本课时的重点单词及短语。
2.能正确运用一般现在时。
3.能熟练运用频度副词表达做某事的频率。
【预习导学】
　　◎学法指导:同学之间互相帮助,把在预习时遇到的问题通过讨论解决,学会合作学习。
一、短语速记
1.how often____________________________________________
2.去购物 ____________________________________________
3.至少 ____________________________________________
4.stay up ____________________________________________
5.进行体育运动 ____________________________________________
6.去睡觉 ____________________________________________
7.每天 ____________________________________________
8.在某方面帮助某人 ____________________________________________
9.太忙 ____________________________________________
10.吃健康的早餐 ____________________________________________
二、句子速译
1.我常常和我的朋友们踢足球。
____________________________________________
2.他一个月去看一次电影吗
____________________________________________
3.你儿子多久帮忙做一次家务
____________________________________________
4.刘莹每天读英语读多久
____________________________________________
5.他们有时玩游戏。
____________________________________________
三、想一想
如果你想知道Tina多久看一次电视,可以怎么问她
____________________________________________
【答案】
一
1.多久一次　2.go shopping　3.at least　4.熬夜
5.play sports　6.go to bed　7.every day　8.help sb.with sth.　9.too busy　10.eat a healthy breakfast
二
1.I often play soccer with my friends.
2.Does he go to the movies once a month
3.How often does your son help with housework
4.How long does Liu Ying read English every day
5.They sometimes play games.
三
How often do you watch TV,Tina
【合作探究】
任务驱动一 复习时态
1.一般现在时态的含义:
一般现在时态表示　____________________________________________　　。
2.一般现在时态的疑问句和否定句:
①肯定句:They are often at home on Sunday.
一般疑问句:____________________________________________
否定句:____________________________________________
②肯定句:The boy goes out with his parents at night.
一般疑问句:　____________________________________________　 the boy 　____________________________________________　 out with his parents at night
否定句:The boy 　____________________________________________　 　____________________________________________　 out with his parents at night.
3.动词第三人称单数的变化规则:
①一般情况下在词尾加s。如:play—　____________________________________________　;think—　____________________________________________　。
②以字母s, x, sh, ch, o结尾的动词通常在词尾加es。如:watch—　____________________________________________　;brush—　____________________________________________　。
③以辅音字母加y结尾的动词,把y变i再加es。study—　____________________________________________　;carry—　____________________________________________　。
　　◎学法指导:想一想do和does在一般现在时中是如何运用的
【答案】
任务驱动一
一
1.经常反复发生的动作,也可以表示主语具备的性格和能力
2.①Are they often at home on Sunday
They are not often at home on Sunday.
②Does　go　doesn't　go
3.①plays　thinks
②watches　brushes　③studies　carries
对点自测
一、用括号内所给单词的适当形式填空。
1.He often 　____________________________________________　 up at 6:30 in the morning.(get)
2.What 　____________________________________________　 he usually　____________________________________________　 after school (do)
3.　____________________________________________　 Nike read English every day (do)
4.When 　____________________________________________　 your sister usually 　____________________________________________　 the housework (do)
5.I don't watch TV on weekdays. But Dick 　____________________________________________　.(do)
二、句型转换。
1.Mary has two pencils in her box. (变为否定句)
____________________________________________
2.I always play sports on Saturday. (变为一般疑问句)
____________________________________________
3.Yang Li helps her mother with housework every day. (变为一般疑问句)
____________________________________________
4.Bob does his homework after school at home. (变为否定句)
____________________________________________
【答案】
一
1.gets　2.does　do　3.Does　4.does　do　5.does
二
1.Mary doesn't have two pencils in her box.
2.Do you always play sports on Saturday
3.Does Yang Li help her mother with housework every day
4.Bob doesn't do his homework after school at home.
任务驱动二 句型学习
1.认真朗读Grammar Focus 中的句子,并根据句意填空。
①——你通常在周末做什么
——我总是锻炼。
—What do you 　_________________　 do on 　______________________　
—I 　____________________________________________　 exercise.
②——他们在周末做什么
——他们经常帮助做家务。
—What 　____________________________________________　 they do on weekends
—They 　____________________　 help 　________________________　 housework.
③——她在周末做什么
——她有时去购物。
—What 　_______________________________　 she do on weekends
—She 　______________________________________________________　 shopping.
④——你多久看一次电影
——我大概一个月看一次电影。
—　_______________________________________________　 do you go to the movies
—I go to the movies 　_________________________________________________　.
⑤——他多久看一次电视
——他几乎从不看电视。
—　________________________________________________________　 does he watch TV
—He 　__________________________________________________________　 TV.
⑥——你购物吗
——不,我从不购物。
—　____________________________________________　 you go shopping
—No, I 　____________________________________________　 go shopping.
⑦——你多久游一次泳
——我至少一周游两次。
—　_________________________________________________　 do you swim
—I swim 　____________________________________________________　 twice a week.
2.小组讨论how often的用法。
how often 意为“　____________________________________________　”,用于对某一动作或事情发生的　____________________________________________　进行提问。回答时用频度副词或短语(twice a week等)。当对这些表频率的词汇提问时,用how often即可。频度副词一般位于　____________________________________________　动词之前,　____________________________________________　动词、助动词或情态动词之后。
3.完成课本3a和3b的任务。
任务驱动三
调查活动
1.以学校小记者的身份进行采访,向同学了解他或她是如何提高英语成绩的。看看谁的方法最好。
完成任务所需要的语言结构:
A:How often do you...
B:...
How often do you... Names Frequency (频率)
read English books Lin Ying twice a week
　　2.将采访结果汇总成文, 并在班级内作一个汇报。
完成任务所需要的语言结构:
Lin Ying reads English books twice a week, and she
______________________________________________________________________________
______________________________________________________________________________
______________________________________________________________________________
______________________________________________________________________________
______________________________________________________________________________
【答案】
任务驱动二
1.①usually　weekends　always
②do　often　with
③does　sometimes　goes
④How　often　maybe　once　a　month
⑤How　often　hardly　ever　watches
⑥Do　never
⑦How　often　at　least
2.多久一次　频率　实义　be
【知识超市】
[命题点一]He plays at least twice a week. 他每周至少玩两次。 　
◎用法总结:at least 意为“至少;不少于;起码”。如:
It will take at least three days to finish the work. 完成这项工作至少需要三天。
对点自测
根据汉语意思完成下列句子。
你应该一周至少做三次运动。
You should do sports 　____________________________________________　 a week.
【答案】at least three times
[命题点二] maybe和may be的用法 　
◎用法总结:1.maybe是副词,意为“或许;大概”, 表示推测, 通常位于句首, 在句中作状语。如:
Maybe he is waiting for you now. 或许他现在正在等你。
2.在may be中,may是情态动词,be是动词原形,意为“也许是;可能是”。如:
—Where is my ruler 我的尺子在哪儿
—It may be in the desk. 它可能在桌子里面。
对点自测
用maybe/may be填空。
1.So many people watch the movie. 　____________________________________________　 it is interesting.
2.The girl is crying. She 　____________________________________________　hungry.
3.—I want to be an artist, but it 　____________________________________________　 a little hard.
—Work hard, and 　____________________________________________　 you'll succeed at last.
【答案】1.Maybe　2.may be 　3.may be　maybe
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