教育专题：9上Unit4grammar公开课课件.ppt

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&1.88mBeforeMake a guess about Yao Mings legend!1.When he was 9,2.After he took some basketball training,3.While(he was)attending junior 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.afterbeforeat an earlier time thanat a later time than1.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.Fill the blanks with“before”&“after”beforebefore leavingafterafter finishingbeforeafterbefore/after+句子或doing形式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性动词或延续性动词 while 只指一段时间，只指一段时间，while从句中的动词从句中的动词必须必须是延续性动词是延续性动词。1.The days get longer _ spring comes.2._ the boys were playing 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”whenWhen/whilewhen当主句和从句当主句和从句主语一致主语一致且从句中有且从句中有be动词动词时，可省略从句的时，可省略从句的主语和主语和be动词动词whileWhen/while正在此时，突然正在此时，突然表对比表对比5.While _,he received a call from his mum.A.the TV was onB.he was watching TVC.he watched TVD.he is watching TV BDavid is writing in his diary about one of his days.Help him combine his sentences using before,after,when or while.(P54)A1.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 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.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.Sincesince在一般情况下，在一般情况下，从句从句谓语动词用谓语动词用一般过去一般过去时时，而，而主句主句的谓语动词用的谓语动词用现在完成时的延续形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 world-famous superstar _ he joined the NBA.He _ practiced playing basketball very hard _ the year 2011,when he ended his basketball career.didntuntil/until/tilluntil/tilluntil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 sleep last night?-_ I finished my homework.A.UntilB.Not untilC.Beforeworkeduntil he successfullywroteB补全！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 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 my favourite TV programme.sincesinceuntiluntiluntil/tilluntil/tillsincesinceuntil/tilluntil/tilluntiluntil主将从现主将从现What did he do after he ended 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 aswhenever注意：注意：whenever可以用可以用every time替换。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 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 asas soon aswheneverAs soon asAs soon asWheneverWhenever主将从现主将从现C2:Complete the following article with the correct conjunctions you have learnt in this unit.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 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 basketball career,Yao Ming has done more charity work,especially for poor Chinese teenagers.whenwhenuntiluntilWhen/BeforeWhen/BeforewheneverwheneverAfterAftersincesinceD: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.before()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.afterD DA AB BC CA A.根据汉语提示完成英语句子。根据汉语提示完成英语句子。1.Be quiet _(当我正当我正在做作业时在做作业时).2.Shell return the books to you _(她一看完她一看完).3._(当我七岁时当我七岁时),I could ride a bike.4.I didnt go to bed _(直到我父亲回来直到我父亲回来)last night.5.Kate went to bed _(在她完成作业后在她完成作业后).6.I went to say goodbye to my friends _(在我去美国之前在我去美国之前).while I am doing my homework as soon as she finishes reading themWhen I was seven years old until my father came back after she finished her homework before I went to America.用所给动词的适当形式填空。用所给动词的适当形式填空。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.getscomes were playingseeHomework1.完成grammar学案2.复习grammar所学的连词3.先学inte内容