英语人教八年级上册Unit-2-How-often-do-you-exerciseUnit-2-SectionA-(Grammar-Focus课件.ppt

1、 How often do you exercise?Unit 2第二课时：第二课时：Section A(Grammar Focus-3c)同学们，上一课学习的单词你们都掌握了吗？现在同学们，上一课学习的单词你们都掌握了吗？现在大家来检验一下，点击下面的音频开始听写吧！大家来检验一下，点击下面的音频开始听写吧！How often do you usually do these activities？1.Do homework2.Play football3.Watch TVGrammar FocusWhat do you usually do on weekends？I always exer

2、cise.What do they do on weekends？They often help withhousework.What does she do on weekends？She sometimes goes shopping.How often do you go to the movies？I go to the movies maybe once a month.How often does he watch TV？He hardly ever watches TV.Do you go shopping？No，I never go shopping.1 1 maybe/meb

3、i/adv.大概；或许；可能大概；或许；可能考向考向讲解来自讲解来自点拨点拨知识点知识点1 1【辨析辨析】maybe与与may beeg：Maybe he knows the way to the zoo.也许他知道去动物园的路。maybe 副词，意思是“也许，可能”，在句中作状语，相当于perhaps，常位于句首。He may be in the office.=Maybe he is in the office.他或许在办公室。讲解来自讲解来自点拨点拨巧记maybe与may be：合并作状语，分开作谓语。舍maybe仍有意，丢may be可不成。may be may 是情态动词，be是动词

4、原形，两者构成完整的谓语形式，意为“也许是，可能是”。特色特色土方法土方法频度副词频度副词概念及构成概念及构成 考点考点 在一般现在时态的句子中，常出现usually，often，sometimes，never等表示频率的状语。这些词在英语中被称为频度副词。一般来说可按频率大小排列为：always（总是）usually（通常）often（常常；经常）sometimes（有时）hardly ever（几乎从不）never（从不）等。语法讲解语法讲解频度副词放在系动词频度副词放在系动词be、助动词或情态动词、助动词或情态动词之后，行为动词之前。之后，行为动词之前。eg：He is always a

5、sking for money.他总是要钱。We often have lunch at school.我们经常在学校吃午饭。考向一考向一典例典例Do you like going mountain climbing？Yes，Ido it on weekends with my friends.（漳州）A.seldomB.oftenC.never【点拨点拨】本题考查频度副词的辨析。本题考查频度副词的辨析。seldom很少；很少；often经经常；常；never从来不。句意：从来不。句意：你喜欢去爬山吗？你喜欢去爬山吗？是是的，我和我的朋友周末经常去。的，我和我的朋友周末经常去。B有些频度副词可

6、放在句首或句尾，用来表示有些频度副词可放在句首或句尾，用来表示强调。强调。eg：Sometimes I walk home，and sometimes I go home by bus.我有时步行回家，有时乘公共汽车回家。考向二考向二never 位于句首，句子要倒装位于句首，句子要倒装。eg：Never have I learnt this word.我从未学过这个单词。拓展拓展频度副词用法：行前系后情助后，句首句末表强调。（行行为动词；系系动词be；情情态动词；助助动词）典例典例Never （我能见到）this girl again.【点拨点拨】never 放在句首时，句子要倒装。句意为：我

7、再放在句首时，句子要倒装。句意为：我再也不能见到这个女孩了。也不能见到这个女孩了。can I see 特色特色土方法土方法once，twice，three times.次数构成频率的表次数构成频率的表达方式达方式（1）次数a时间（年/月/日/分）（2）次数every基数词时间（年/月/日/分）eg：once a year 每年一次 twice a month 每月两次 once every four years 每四年一次 seven times every two minutes 每两分钟七次考向三考向三对频度副词提问时，一般用对频度副词提问时，一般用how often（多久一次）。（多久一

8、次）。eg：How often do you exercise？你多久锻炼一次？Once a month.每月一次。考向四考向四拓展拓展【难点难点】every two daysevery other day 每两天每两天典例典例 does your father go to the fitness center？He exercises there twice a week.（福州）A.How soonB.How oftenC.How long【点拨点拨】本题用本题用寻找题眼法寻找题眼法。由答语中。由答语中“twice a week”可可知问句对频率提问。知问句对频率提问。B【辨析辨析】how

9、 often与与how many timeshow often 多久一次，用来询问在某一段时间内进行多久一次，用来询问在某一段时间内进行某个动作的次数。某个动作的次数。how many times 多少次，它不问多少次，它不问动作发生的频率，只询问次数，即动作发生的频率，只询问次数，即“多少次多少次”。其答语为其答语为once，twice，three times等。等。eg：How many times have you been to Beijing？你去过北京几次？Only twice.仅两次。How often do you go to Beijing？你多久去一次北京？Twice a

10、month.每个月两次。拓展拓展Complete the questions with do or does.Then match the questions and answers.3a1.How often he play soccer？2.you drink milk？3.How often they stay up late？4.Sue eat a healthy breakfast？5.How often you eat apples？6.your parents play sports？2 2doesDo do Does do Do a.Yes.She usually does.b

11、.Hardly ever.I dont like them.c.He plays at least twice a week.d.No，they dont.Theyre too busy.e.Never.They always go to bed early.f.Yes，I do.Every day.3 31c2.f3.e4.a5.b6.d stay up 熬夜熬夜 考向考向【重点重点】讲解来自讲解来自点拨点拨知识点知识点2 2 stay up是固定短语，意为是固定短语，意为“熬夜；熬夜；不睡觉不睡觉”，与，与sit up同义。同义。stay up late指指“熬夜到很晚，迟睡熬夜到很晚，迟

12、睡”。eg：He stayed up too late last night.他昨天晚上熬夜到很晚。典例典例 Whats wrong with you，Eric？You look tired.Ito prepare（准备）for the final exam last night.（安顺）A.picked upB.woke up C.put up D.stayed up【点拨点拨】pick up捡起；捡起；wake up醒来；醒来；put up挂起；挂起；stay up熬夜。根据熬夜。根据“你看起来很疲倦。你看起来很疲倦。”可知本句应为可知本句应为“我昨我昨天晚上熬夜为期末考试做准备了。天晚上

13、熬夜为期末考试做准备了。”D讲解来自讲解来自点拨点拨 least/li:st/adv.最小；最少最小；最少 adj.&pron.最最 小的；最少的小的；最少的考向考向【重点重点】讲解来自讲解来自点拨点拨知识点知识点3 3 at least“至少；不少于；起码至少；不少于；起码”。其反义短语为：其反义短语为：at most 至多至多eg：At least he should say thanks.他至少应该说声谢谢。典例典例There are three thousand people in the park.A.at onceB.at allC.at least D.at a least【点拨

14、点拨】at once立刻；立刻；at all根本；根本；at least至少。句意：至少。句意：在公园里至少有三千人。在公园里至少有三千人。”C讲解来自讲解来自点拨点拨3bUse the words given to write questions.Then ask and answer them with a partner.Questions 1.？（how often/help with housework）My partners answers _ How often do you help with houseworkHardly ever.2.？（what/usually/do/w

15、eekends）My partners answers _ 3.？（how often/best friend/exercise）My partners answers _What do you usually do on weekendsI usually go to the movies on weekends.How often does your best friend exerciseHe exercises twice a week.4.？（what/usually/do/after school）My partners answers _ What do you usually

16、do after schoolI usually exercise after school.3cWhat can you do to improve your English？Add more things to the chart.Then ask your classmates the questions and find the best English student.1 1A：How often do you read English books？B：I read English books about twice a week.How often do you.Names Fre

17、quency read English books？Lin Ying twice a week 一、一、单项选择单项选择1.(泰安)_ do I need to feed the pet dog?Twice a day.AHow long BHow much CHow soon DHow often【点拨点拨】句意为：句意为：我多久需要喂宠物狗一次？我多久需要喂宠物狗一次？天两次。天两次。how long多长时间；多长时间；how much多少多少(钱钱)；how soon多久；多久；how often多久一次。根据答语可知询问频多久一次。根据答语可知询问频率，故选率，故选D。D 来自来自典中

18、点典中点2_ do you play football?Never.I dont like that.AHow far BHow many CHow often DHow longC【点拨点拨】how far多远；多远；how many多少；多少；how often多久一多久一次；次；how long多长时间。由多长时间。由Never可知是对频率进行提问，可知是对频率进行提问，所以选所以选C。来自来自典中点典中点3(绥化)How often does Mike go to the net bar?_.He is so busy with his study.AAlmost every day

19、BAlways CHardly ever【点拨点拨】almost every day几乎每天；几乎每天；always总是；总是；hardly ever几乎从不。由几乎从不。由“He is so busy with his study.”可知可知C项项为正确答案。为正确答案。C来自来自典中点典中点【点拨点拨】由问句中的由问句中的How many hours 可知。可知。4How many hours do you exercise every day?_ ATwice a day BSecond CTwo DTwo timesC来自来自典中点典中点5(中考安徽)If my friends hav

20、e any problems,my door is_ open to them.Anever Bseldom Csometimes DalwaysD【点拨点拨】本题用本题用句意分析法句意分析法解题。句意：如果我的朋友有解题。句意：如果我的朋友有任何问题，我的门总是会为他们敞开。任何问题，我的门总是会为他们敞开。never从不；从不；seldom 很少；很少；sometimes 有时；有时；always总是。故选总是。故选D项。项。来自来自典中点典中点二、根据要求完成下列各题二、根据要求完成下列各题6I visited my friends in Beijing twice a month la

21、st year.(对画线部分提问)_ _ did you visit your friends in Beijing last year?7Mike always plays computer games on school nights.(改为否定句)Mike _ _ computer games on school nights.How often never plays 来自来自典中点典中点8I go to school five days a week.(对画线部分提问)_ _ _ do you go to school a week?9She watches TV every day(对画线部分提问)_ _ _ she watch TV?10Mr.Zhang is teaching him English.(用often改写句子)Mr.Zhang _ _ him English.How many daysHow often does often teaches来自来自典中点典中点 本节课主要学习了单词本节课主要学习了单词maybe,least,短语短语stay up的用法。的用法。1.熟记本课时的词汇熟记本课时的词汇 2.完成本课时的课后作业完成本课时的课后作业课后作业课后作业A A(选自典中点选自典中点)课后作业课后作业B B(选自选自点拨训练点拨训练)