九年级英语上册-Unit-4-Growing-up-Grammarppt课件(新版).ppt

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1、Words review,career against,n.生涯，职业prep.对抗；与相反；违反,Do you know him?,How much do you know about him?,_ he was born,he was believed to become a future basketball star.,2.08m&1.88m,Before,Make a guess about Yao Mings legend!,When he was 9,After he took some basketball training,While(he was)attending jun

2、ior high,he showed his talent in the game.he joined the Shanghai Youth Team.he took some basketball training.,How to use“before”&“after”?,Before he was born,he was believed to become a future basketball star.After he took some basketball training,he showed his talent in the game.,after,before,at an

3、earlier time than,at a later time than,You should turn off the lights _ you leave the room.=You should turn off the lights _ the room.2.Tom went to school _ he finished his breakfast.=_ his breakfast.3.Time passed quickly and three months went by _ I knew it.4.The sun came out _ the storm stopped.,F

4、ill the blanks with“before”&“after”,before,before leaving,after,after finishing,before,after,before/after+句子或doing形式,before的意思是“在之前”，表示主句动作发生在从句动作之前。如：,Close the windows before you leave the room,please.在你离开房间前，请关上窗。,after意思是“在之后”，表示主句的动作发生在从句的动作之后。如：,I went to school after I finished my breakfast.我

5、吃完早饭去上学。,How to use“when”&“while”?,When he was 9,he took some basketball training.While(he was)attending the junior high,he joined the Shanghai Youth Team.,when 既指时间点，也可指一段时间；因此when引导的时间状语从句中的动词可以是终止性动词或延续性动词 while 只指一段时间，while从句中的动词必须是延续性动词。,The days get longer _ spring comes._ the boys were playin

6、g football,it rained.3.I was about to leave _ the phone rang.4.Jack is strong _ his brother is weak.4._(she is)in trouble,she always asks me for help.,Fill the blanks with“when”&“while”,when,When/while,when,当主句和从句主语一致且从句中有be动词时，可省略从句的主语和be动词,while,When/while,正在此时，突然,表对比,5.While _,he received a call

7、from his mum.the TV was onB.he was watching TVC.he watched TVD.he is watching TV,B,1._ the children have fun,parents can take dance lessons on the beach.(2013山东菏泽)A.When B.If C.While D.Once2._ I got back,I found my mother cooking for me.(2013湖北黄石)A.When B.Before C.Since D.Although,when意思是“当时”，表示主句动作

8、发生的特定时间。如：,While my sister was sweeping the floor,I was washing the dishes.我姐姐扫地时，我在洗碗。,while意思是“当时”，强调主句动作和从句动作是同时发生的。如：,The days get longer when spring comes.春天到来时，白天变长了。,注意：while引导的从句的谓语动词必须是延续性的。,while还可以表示“在期间”，表示主句动作发生在从句动作进行的过程中。如:,While the boys were playing football,it rained.当男孩子们踢足球时，下雨了。

9、,注意：在when和while引导的从句中，当主句和从句的主语一致，并且从句中有be动词时，可以省略主语和be动词，构成when/while+-ing结构。如：,When(she is)in trouble,she always asks for my help.她遇到困难时总是向我求助。While(I am)travelling,I like to buy some souvenirs.旅游时我喜欢买纪念品。,David is writing in his diary about one of his days.Help him combine his sentences using bef

10、ore,after,when or while.(P54),A,1.I go to jogging every morning.Then I have breakfast._ _2.I practised playing basketball for hours.I felt tired out._ _,I go jogging every morning before I have breakfast.,After I practised playing basketball for hours,I felt tired out.,3.I met Peter.I was waiting at

11、 the bus stop._ _4.I was watching TV.I received a call from my uncle._ _5.I was ready to go to bed.My father came back from work._ _,I met Peter while(I was)waiting at the bus stop.,While(I was)watching TV,I received a call from my uncle.,I was ready to go to bed when my father came back from work.,

12、How about his basketball career later?,_ he was 18 years old,he joined the national basketball team.,When,_ he joined the national basketball team,he has won many competitions.,Since,since在一般情况下，从句谓语动词用一般过去时，而主句的谓语动词用现在完成时的延续形。,Why is he so famous all over the world?,He _ get the chance to be a worl

13、d-famous superstar _ he joined the NBA.,He _ practiced playing basketball very hard _ the year 2011,when he ended his basketball career.,didnt,until,/,until/till,until/till,until在肯定句中，主句的谓语动词必须是_动词。他一直在工厂里工作，直到成功地写出了一部戏剧。He _ in a factory _ _ a play.notuntil 直到才主句的谓语动词可为瞬间性动词()When did you go to sle

14、ep last night?-_ I finished my homework.A.UntilB.Not untilC.Before,worked,until he successfully,wrote,B,补全！,延续性,B1.Practise:Fill in the blanks with since,till or until.,1.I have been crazy about playing basketball _ I was a little boy.2.The weather has been awful this week.The rain did not stop_ for

15、 seven days.3.We played basketball in the playground this afternoon_ it was getting dark.4.It is the first time we have played basketball_ Monday.We enjoyed ourselves very much.5.I waited for 20 minutes at the bus stop_ the bus arrived.6.It is Friday evening.I will not go to bed_ I finish watching m

16、y favourite TV programme.,since,until,until/till,since,until/till,until,主将从现,since意思是“自从以来”。一般情况下，从句谓语动词用一般过去时，而主句的谓语动词用现在完成时。如：,注意：since引导的从句的谓语动词可以是延续性动词，也可以是瞬时动词。,They have been friends since they were at primary school.他们从小学起就一直是好朋友。,till和until意思是“到为止”，一般情况下两者可以互换。until可以放在句首或句中，而till不可以用在句首。注意：

17、如果主句中的谓语动词是瞬时动词时，必须用否定形式，即“notuntil”结构，意思是“直到才（开始）”。如：,Walk till/until you see a white house.一直走到你看到一座白房子为止。I did not go to bed until I finished my homework.直到做完作业我才上床睡觉。,1.Youve been happy _ I first met you.(P48)2.Spud remained in another basketball league for about a year _ the NBA took notice of

18、him.(P51)3._ his dream came true,Spud never gave up.(P55)4.Do not wake me up _ you finish your work.(P48),since,till/until,Until,Fill in the blanks.,until,go,Ready?,5.It moved up over my stomach and neck _ it was standing near my face.(牛津八年级下U4)6.Ive lived here _ I was born.(牛津八年级下U1)7.Theyll say“ex

19、cuse me”and be polite enough to wait _ you move.(牛津八年级下U5),until,since,till,1.Tigers wait _ it is dark,then go out to find their food.(2012山东潍坊)A.since B.until C.as D.because2.You have been in Nanjing very long?Yeah._ my parents came here.(2013四川内江)A.For B.As C.When D.Since,What did he do after he e

20、nded his career?,_(一就)he ended his career,he became a college student.,He will take part in the charity_(任何时候)he is needed.,As soon as,whenever,注意：whenever可以用every time替换。,C1.Practise:Fill in the blanks with as soon as or whenever.,1.David will go to play basketball_ school is over.2.He watches the

21、NBA_ there is a game on TV.3._ he talks about basketball,he gets excited.4._ he learnt that the NBA players would come to China,he tried his best to get a ticket.,as soon as,whenever,As soon as,Whenever,主将从现,C2:Complete the following article with the correct conjunctions you have learnt in this unit

22、.,Yao Ming was born in Shanghai in 1980.He got his first basketball_ he was only four years old,but he did not become serious about basketball_ he was 12.Yao joined the Houston Rockets in 2002 and became the best Chinese player to ever play in the NBA._ he went to the USA,he knew little English,but

23、he quickly learnt the language.The best moment in his career was in 2004-he scored 41 points in a game against the Atlanta Hawks.When Yao Ming was living in the USA,he returned to China _ he was needed.He took part in the Olympics in 2004 and in 2008 as one of the Chinese athletes._ he ended his bas

24、ketball career,Yao Ming has done more charity work,especially for poor Chinese teenagers.,when,until,When/Before,whenever,After,as soon as和whenever,我们常用as soon as和whenever引导时间状语从句。如：,As soon as I arrive in Canada,I will call you.我一到加拿大，就给你打电话。Whenever he met us,he smiled at us.他每次遇见我们，都向我们微笑。,as soo

25、n as意思是“一就”。如：,We began to work as soon as we got there.我们一到那里就开始工作。He will visit you as soon as he gets there.他一到那里就会去拜访你。,whenever意思是“每当，任何时候”。如:,注意：whenever可以用every time替换。,He likes listening to music whenever he has time.每当他有时间的时候，他喜欢听音乐。,1._ you click the mouse,theres a great deal of informatio

26、n.(P49)2.and I can read them _ I want to.(P49)3.It began to rain _ I left the house.(P56),As soon as,whenever,as soon as,Fill in the blanks.,go,Ready?,I will send you an e-mail as soon as I _ in Canada.(2011 北京)A.arrive B.arrived C.am arriving D.will arrive,Time for reflection,since,whenever,自从,引导时间

27、状语从句的谓语动词用一般过去时,主句的谓语动词用现在完成时。,每当;任何时候,可以和every time替换。,Time for reflection,一:Choose the correct answer.,()1.You cant watch TV_ you finish your homework.A.after B.if C.when D.before()2.-Whats your plan this summer holiday?-Ill go to Beijing_ the school team ends A.whenever B.till C.as soon as D.befo

28、re()3._ I was in the US,I made many American friends.A.Although B.While C.Unless D.Until()4.Many students didnt realize the importance of study_ they left school.A.when B.until C.as D.after()5.You should go over your test paper_ you hand it in.A.while B.when C.before D.after,D,A,B,C,A,二.用所给动词的适当形式填空

29、。1.You must tell her to go back home when she _(get)here.2.Ill have to wait there until John _(come)back.3.While they _(play)computer games at home,there was a knock on the door.4.Please tell him about it as soon as you _(see)him.,gets,comes,were playing,see,三.根据汉语提示完成英语句子。1.Be quiet _(当我正在做作业时).2.S

30、hell return the books to you _(她一看完).3._(当我七岁时),I could ride a bike.4.I didnt go to bed _(直到我父亲回来)last night.5.Kate went to bed _(在她完成作业后).6.I went to say goodbye to my friends _(在我去美国之前).,while I am doing my homework,as soon as she finishes reading them,When I was seven years old,until my father came back,after she finished her homework,before I went to America,Homework1.完成grammar学案2.复习grammar所学的连词3.先学inte内容,