九年级上Unit__4_Grammar

1、Do you know him?How much do you know about him?_ Yao Ming was born, he was believed to become a future basketball star.1.88m & 2.08mBeforeMake a guess about Yao Mings experiences!1. When he was 9,2. After he took some basketball training, 3. While (he was) attending junior high, he showed his ta

2、lent 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 than

3、at 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. = Tom went to school_ his breakfast.3. Time passed quickly and three months went by _ I knew it. 4. The sun came out _ the storm s

4、topped.Fill in 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 junior high, he joined the Shanghai Youth Team.when 既指时间点，也可指一段时

5、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引导的时间状语从句中的动词可以是_动词动词或或_动词动词 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必须是须是_动词动词。 瞬时性瞬时性延续性延续性延续性延续性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 we

6、ak.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David is writing in his diary about one of his days. Help him combine his sentences u

7、sing before, after, when or while. (P54)A A1. I go 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

8、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 fathe

9、r came back from work.1.I go jogging every morning before I have breakfast.2.After I practised playing basketball for hours, I felt tired out. 3.I met Peter while (I was) waiting at the bus stop.4. While (I was) watching TV, I received a call from my uncle.5. I was ready to go to bed when my father

10、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现在完成时。Why is he so famous all ov

11、er 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/tillusing until/till/not untiluntil/till until在肯定句中，主句的谓语动词必须是_动词。 Spud remained in another basketba

12、ll league _ _the NBA took notice of him. notuntil 直到才 ( )When did you go to sleep last night? - _ I finished my homework. A. UntilB. Not untilC. Beforefor about a year until /tillB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 litt

13、le boy. 2.The weather has been awful this week. The rain did not stop _ yesterday evening, so we could not practise basketball for several 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

14、 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.主句一般将来时从句一般现在时主句一般将来时从句一般现在时What did he do after he ended his career?_(一就) he ended his career, he became a college student.He will take par

15、t 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._

16、he learnt that the NBA players would come to China, he tried his best to get a ticket.主句一般将来时从句一般现在时主句一般将来时从句一般现在时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

17、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 po

18、ints 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.Translation :1. 我的朋友我的朋友12岁以前住在北京。岁以前住在北京。2. 小学毕业后，他跟随父母来到这里。小学毕业后，他跟随父母来到这里。3. 自他搬到这里来，他已经交了很多朋友。自他搬到这里来，他已经交了很多朋友。4. 昨天当他吃晚饭的时候，他的一个朋友来向他昨天当他吃晚饭的时候，他的一个朋友来向他请请 求帮助。求帮助。5. 无论何时他被需要，他都愿意帮助别人。无论何时他被需要，他都愿意帮助别人。6. 他直到晚上他直到晚上8点才做作业。点才做作业。7. 他做作业直到他做作业直到10点。点。8. 他一完成作业就去睡觉了。他一完成作业就去睡觉了。My best fr