牛津译林版9A Unit 4 Grammar课件

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1、Unit 4 Growing up,Words review,careeragainst,n. 生涯，职业 prep. 对抗；与相反；违反,To learn to use the following conjunctions to introduce time clauses:using before, after, when and whileusing since, till and untilusing as soon as and whenever,Look at the following sentences.,1. He remained there for about a yea

2、r before the NBA took notice of him.(P51) 2. After he graduated, he was forced to play in another basketball league.(P51) 3. When he finally got the chance, he scored 20 points in his first game.(P50) 4. While (he was) attending junior high, Spud tried out for the school team.(P50),5. Sometimes we f

3、orget when we should stop. (P37) 6. It can cheer you up when you are feeling sad. (P23) 7. Outside, people were running in all directions while pieces of glass and bricks were falling down.(牛津八年级上U8) 8. Timmy was trapped in a dark place after the earthquake stopped.(牛津八年级上U8) 9. He stayed with the b

4、oy and played with him for two hours before the boys parents came.(牛津七年级下U7),1. He remained there for about a year _ the NBA took notice of him.(P51) 2. _ he graduated, he was forced to play in another basketball league.(P51) 3. _ he finally got the chance, he scored 20 points in his first game.(P50

5、) 4. _ (he was) attending junior high, Spud tried out for the school team.(P50) 5. Sometimes we forget _ we should stop. (P37),before,After,When,Fill in the blanks.,While,when,go,Ready?,6. It can cheer you up _ you are feeling sad. (P23) 7. Outside, people were running in all directions _ pieces of

6、glass and bricks were falling down.(牛津八年级上U8) 8. Timmy was trapped in a dark place _ the earthquake stopped.(牛津八年级上U8) 9. He stayed with the boy and played with him for two hours _ the boys parents came.(牛津七年级下U7),when,while,after,before,1. _ the children are having fun, parents can take dance lesso

7、ns on the beach.A. When B. If C. While D. Once 2. _ I got back, I found my mother cooking for me. (湖北黄石)A. When B. Before C. Since D. Although,以上我们已经通过归纳总结和练习对本课的语法内容有了一定的了解，下面就让我们根据 之前练习的考察情 况进一步选择讲解 该语法项的重难点。,时间状语从句是指在复合句中充当时间状语的句子。如：,When the weather is good, my grandpa likes going fishing. 当天气好的

8、时候，我爷爷喜欢去钓鱼。 The sun came out after the storm stopped. 暴风雨停止后，太阳出来了。,注意： 我们可以用before, after, when和while引导时间状语从句，这些词既可放在句首，也可放在句中。,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

9、 my breakfast. 我吃完早饭去上学。,when意思是“当时”，表示主句动作发生的特定时间。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

10、were playing football, it rained. 当男孩子们踢足球时，下雨了。,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 abo

11、ut one of his days. Help him combine his sentences using before, 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 baske

12、tball 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

13、 my uncle.,I was ready to go to bed when my father came back from work.,Look at the following sentences.,1. Youve been happy since I first met you.(P48) 2. Spud remained in another basketball league for about a year till/until the NBA took notice of him.(P51) 3. Until his dream came true, Spud never

14、 gave up. (P55) 4. Do not wake me up until you finish your work.(P48),5. It moved up over my stomach and neck until it was standing near my face. (牛津八年级下U4) 6. Ive lived here since I was born. (牛津八年级下U1) 7. Theyll say “excuse me” and be polite enough to wait till you move. (牛津八年级下U5),1. Youve been h

15、appy _ I first met you.(P48) 2. Spud remained in another basketball league for about a year _ the NBA took notice of 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

16、 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 “excuse 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. (山东潍坊)A. since B. until C. as

17、 D. because 2. You have been in Nanjing very long? Yeah. _ my parents came here. (四川内江)A. For B. As C. When D. Since,以上我们已经通过归纳总结和练习对本课的语法内容有了一定的了解，下面就让我们根据 之前练习的考察情 况进一步选择讲解 该语法项的重难点。,since, till和until常用来引导时间状语从句。如：,since,till和until 引导的时间状语从句,Mr Brown has been in Beijing since you left. 自从你离开，布朗先生就

18、一直待在北京。 I worked till/until he came back. 我一直工作到他回来为止。,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：如果主句中的谓语动词是瞬时动词时，必

19、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。,Here are more sentences from Davids diary entry. Complete his sentences with since, till or until. (P55),B,1. I have been crazy about playing ba

20、sketball _ I was a little boy. 2. The weather has been awful this week. The rain did not stop _ yesterday evening, so we could not practise basketball for several years.,since,until,3. We played basketball in the playground this afternoon _ it was getting dark. 4. It is the first time we have played

21、 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.,till/until,since,till/until,until,Look at the following sentences.,1. As soon as you click

22、the mouse, theres a great deal of information.(P49) 2. and I can read them whenever I want to. (P49) 3. It began to rain as soon as I left the house. (P56),1. _ you click the mouse, theres a great deal of information.(P49) 2. and I can read them _ I want to. (P49) 3. It began to rain _ I left the ho

23、use. (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. (北京)A. arrive B. arrived C. am arriving D. will arrive,以上我们已经通过归纳总结和练习对本课的语法内容有了一定的了解，下面就让我们根据 之前练习的考察情 况进一步选择讲解 该语法项的重难点。,as soon as和whenever 引导的时间状语从句,我们常用as soon as和whenever

24、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 soon 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e

25、very 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。,Simon is writing about Davids love for basketball. Help Simon complete his sentences with as soon as or whenever. (P56),C1,1. David often goes to play basketball _ school is over. 2. He watches the NBA _ there is a game

26、 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,Whenever,As soon as,David is writing about Yao Ming, his favourite basketball star. Help him complete his article with the correct

27、conjunctions you have learnt in this unit. (P56),C2,Yao Ming was born in Shanghai in 1980. he got his first basketball (1) _ he was only four years old, but he did not become serious about basketball (2) _ he was 12. Yao joined the Houston Rockets in 2002 and became the best Chinese player to every

28、play in the NBA.,when,until,(3) _ 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 (4) _ he was needed. He took

29、part in the Olympics in 2004 and in 2008 as one of the Chinese athletes. (5) _ he ended his basketball career, Yao has done more charity work, especially for poor Chinese teenagers.,When/Before,whenever,Since/After,Time for reflection,since,whenever,自从,引导时间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

30、和every time替换。,Time for reflection,. 根据汉语提示完成英语句子。 1. Be quiet _ (当我正在做作业时). 2. Shell 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

31、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,. 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.,gets,comes,were playing,see,1. Finish the exercises in Learning English. 2. Preview Integrated skills on Pages 57 and 58.,Homework,