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1、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 junior high,he showed his talent in the game.
2、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 earlier time than,at a later time t
3、han,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. Wash your hands dinner. = _ you have dinner. 4. The sun came out _ the storm stopped.,Fill the blanks with “before” & “after”
4、,before,before leaving,after,after finishing,before,after,before/after + 句子或doing形式,before having,Do you remember the information about YaoMing ?,When did YaoMing take some basketball training? When did he join the Shanghai Youth Team?,How to use “when” & “while”?,When he was 9, he took some basketb
5、all 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。一般用过去进行时/ 加地点状语。 While I was in Italy I went to see Alessandro. 在意大利的时候，我去看了亚历山德罗。,While 然而/ 但是 Tom is confident while Katy
6、 is shy and quiet,The days get longer _ spring comes. _ 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”,when,When/while,when,当主句和
7、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 from his mum. the TV was on B. he was watching TV C. he watched TV D. he is watching TV,B,David is writing in his diary about one of his days. Help him combine his sentences using before, after, when or while.
8、 (P54),A,1. 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 was waiting at the bus stop. _
9、 _ 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.,Wh
10、en did he join the national basketball team?,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 o
11、ver 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.,didnt,until,/,until/till,until/till,until在肯定句首，句中 till 放在句中，不能放句首。 notuntil 直到才主句的谓语动词可为瞬间性动词 ( )When did you go to
12、 sleep last night? - _ I finished my homework. A. Until B. Not until C. Before,B,补全！,I did not go to sleep until I finished my homework,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
13、. 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
14、not go to bed_ I finish watching my favourite TV programme.,since,until,until/till,since,until/till,until,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 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 NBA_ there is a game on TV. 3._
