外研版八年级下册英语ModuleUnit3-课件.ppt--（课件中不含音视频）--（课件中不含音视频）

1、4Unit 3 Language in use.1I havent done much exercise since I got my computer last year.I have had him for three months now.Since then,it has become part of my life.2M2.结构：结构：1.肯定句：肯定句：2.否定句：否定句：3.疑问句：疑问句：回答：回答：主+has/have+过去分词主语+hasnt/havent+过去分词Has/Have+主语+过去分词Yes,主+has/have.No,主+hasnt/havent.3M3、常用

2、的时间状语有、常用的时间状语有:肯定句：肯定句：already,just,否定句：否定句：yet 表示表示“还，未还，未”，ever,never置于助动词置于助动词have/has之后，过去分词之前：之后，过去分词之前：already,just,ever,never置于句末：置于句末：yet4Grammarfor 和和 since 在现在完成时中的应用在现在完成时中的应用for与与since都能与现在完成时连用，都能与现在完成时连用，（1）for后须接后须接“时间段时间段”He has studied English for five years.他学英语他学英语5年了。年了。（2）since

3、后须接后须接“时间点时间点”He has studied English since 1999.他从他从19991999年开始学英语。年开始学英语。现在完成时（三）现在完成时（三）5（3）二者可以转换二者可以转换 for+一段时间一段时间=since+一段时间一段时间+ago He has been here for five weeks.=He has been here since five weeks ago.他到这儿已经有五个星期了。他到这儿已经有五个星期了。6He has taught here since he came to China.自从他来到中国就在这儿教书。自从他来到中国

4、就在这儿教书。We have been friends since we met in school.我们从在学校见面起就成为了好朋友。我们从在学校见面起就成为了好朋友。(4)since能引导时间状语从句能引导时间状语从句(主句用主句用现在完成时，从句用一般过去时现在完成时，从句用一般过去时)，而，而for则不能。则不能。7 I have been here _five months ago.2.He has been a soldier _ about two months.3.Great changes have taken place _ you left.4.His grandpa h

5、as been dead _ ten years.5.I have studied English _ I was 12 years old.6.It is two years _ I became a postgraduate student.sinceforsinceforsincesince即学即用8（5）现在完成时常用句型：现在完成时常用句型：It is(has been)+时间段时间段+since+时间时间状语或从句状语或从句It is four days since last Friday.从上周五到现在已经四天了。从上周五到现在已经四天了。It has been two year

6、s since Jim came to Beijing.吉姆来北京已经两年了。吉姆来北京已经两年了。910This is the first(second)time that+从句从句,句型中的句型中的that从句通常使用现在完成时。从句通常使用现在完成时。如如：This is the first time that Jenny and Danny have been to China.这是珍妮和丹妮第一次来屮国。这是珍妮和丹妮第一次来屮国。This is the third time that I have seen Karen.这是我第三次见到这是我第三次见到Karen。11（6）均须与延

7、续性动词连用，也可以均须与延续性动词连用，也可以与非延续性动词的否定式连用。与非延续性动词的否定式连用。如如:I have bought this computer since four years ago.()I have had this computer since four years ago.()I havent bought anything for two months.()I havent heard from him for 3 weeks.()12非延续性动词和延续性动词的转换非延续性动词和延续性动词的转换leave borrow buy begin/start die f

8、inish-open sth fall ill die be awaykeephavebe onbe deadbe overkeep sth openbe illbe dead13get up come here join become come back fall asleep get to/arrive/reach leave get to know go(get)out catch a cold get married be upbe herebe on/be a member ofbebe back be asleep be(in)be awayknowbe outhave a col

9、dbe married14 The old man died 4 years ago.The old man has been dead for 4 years.He joined the Party 2 years ago.He has been in the Party for 2 years.I bought the book 5 days ago.I have had the book for 5 days.将下面句子改为现在完成时：将下面句子改为现在完成时：15（7）二者引出的时间状语往往用二者引出的时间状语往往用 how long提问。提问。How long have you ha

10、d this book?这本书你买多久了这本书你买多久了?For a week./Since a week ago.买一周了。买一周了。16 How long have you studied at this school?How long have you studied English?How long have you known your best friend?4.How long have you lived in this place5.How long have you used this book?1.Work in pairs.Ask and answer the ques

11、tions.172.Complete the questionnaire about healthy living.Use since or for where necessary.Healthy Living Questionnaire What kind of exercise do you do?_2.How long have you done this kind of exercise?_I walk to school and I play badminton.I have walked to school since I was six and I have played bad

12、minton for 20 years.183.Do you play in a school sports team?_4.If yes,how long have you played in the team?_ _Yes,I do.I have played in the school volleyball team for a year.195.Do you have a healthy diet?_6.If yes,when did you start having a healthy diet?_ _Yes,I do.I have had a healthy diet for ye

13、ars since I was little.201 I fell ill two days ago.So youve _ ill for two days?Thats right.2 I saw the doctor three days ago.So you havent _ her in the last three days?3.Complete the sentences.beenseen213 Ill walk to school for the first time tomorrow.So youve never _to school before?4 I came into h

14、ospital two days ago.So youve already _in hospital for two days?5 How long _ you _ a headache?Oh,it began about two hours ago.walkedbeenhave had22 For a long time John did not feel(1)_.He often had(2)_ and colds.He went to see a doctor.The doctor told him to take more(3)_ and stop eating(4)_.4.Compl

15、ete the passage with the words and expressions in the box.cold coughs exercise fast food stomach ache weak wellwellcoughs exercisefast food 23So he started riding a bike to school.At first,he felt tired and(5)_.Then he got fitter and started enjoying it.Since he started riding a bike,he has not had

16、a(n)(6)_ and he has not had a(n)(7)_ since he stopped eating fast food.weak coldstomach ache 24Doctor:(1)_ Bill:Well,Ive got a pain in my back.Doctor:(2)_ Bill:For about two weeks.5.Complete the conversation with the sentences in the box.Can I help you?How long have you been like this?Thats it.Whats

17、 wrong with me?Can I help you?How long have you been like this?25Doctor:Let me have a look.Where do you work?Bill:I work in an office.Doctor:Do you play computer games?Bill:Yes,a lot.I usually play computer games late at night.Doctor:(3)_Bill:(4)_Doctor:Well,you spend too much time in front of the c

18、omputer.Bill:What can I do?Doctor:Stand up and do some exercise from time to time.Dont play computer games too much.Thats it.Whats wrong with me?266.Read the passage and match the problems with the advice.Alan b;Barbara a;John c27The man feels(1)_.He is hot and(2)_.He has been like this for about(3)

19、_.He has got a temperature and a(4)_ but has not got a(5)_ or a cough.The doctor suggests he should(6)_ and take the medicine(7)_ a day.And he should(8)_ until he feels better.7.Listen and complete the passage.awful very tired three days headache stomach ache drink more water three times stay in bed

20、 28The World Health The World Health Organization(WHO)was set Organization(WHO)was set up in 1948 to help ordinary up in 1948 to help ordinary people all over the world,people all over the world,especially in developing especially in developing countries.countries.29It cures,prevents and controls se

21、rious It cures,prevents and controls serious diseases such as malaria,and educates diseases such as malaria,and educates people about how to protect their health.people about how to protect their health.The WHO has helped millions of people The WHO has helped millions of people by training doctors a

22、nd nurses,and by by training doctors and nurses,and by teaching mothers how to take better teaching mothers how to take better care of their children.care of their children.301.We have worked in this company since we _to this city.A.move B.have moved C.moved 2._have you stayed in the garden?A.How often B.How long C.How far CB一、一、单项单项选择题。选择题。313.He has taught at this school _2005.A.since B.in C.for4.The dog _for seven days.A.died B.has died C.has been dead 5.Lucy _ after her grandma since two years ago.A.looks B.looked C.has lookedACC32Check the answers.3334