1、Unit 4 Grammar课型：新授 总第 22 学时 【学习重、难点】1.学习新词汇：career, against 等。2.掌握新句型：Its the first time we have played basketball since this Monday.The best moment in his career was in 2004he scored 41 points in a game against the Atlantic Hawks.3. 能熟练运用时间状语从句进行表达二、词汇、短语 （包括词的各类变形，构词，归类等）1. 职业 n. career 和 job , w
2、ork 区分. 2. 对抗，违反 prep. against.3. take notice of sb 注意到某人4. Force to do sth 强迫做 5. Get the chance 得到机会6. Receive a call from 接到的电话7.来源:学优高考网 gkstkCome back from work 下班8. The best moment in his career 他职业生涯中最好的时候句型（语法） using the conjunctions “ before”, “after”, “when”, “while” to introduce time clau
3、ses. They can be placed at the beginning or in the middle of sentences.Before means earlier than a certain time.After means later than a certain time.When means at or during a certain time.While means during a certain time.using “since”, “till”, “until” to introduce time clauses. Since means from a
4、certain time . the verb in the main clause is often used in the present perfect tense.Till and until both mean up to a certain time, but till is more informal than until.When we use verbs like go, leave, arrive, etc. in the main clauses, we should use the structure nottill/until.as soon as and whene
5、ver can also introduce time clauses.As soon as means when something happens, or a short time after something has happened.Whenever means at any time.【学习过程】课前预习一、短语翻译：1.对痴迷 _ 2.在任何时候 _3. 变得兴奋 _ 4.回到中国 _5.做慈善工作 6.注意到某人 _7.强迫做 8.得到机会 9.下班 10.接到某人的电话 11.玩的开心 12.准备睡觉 13.他职业生涯中最辉煌的时候 课堂学习Check the answers
6、, and choose some students to write their examples on the blackboard.Lead-inAsk some students translate some sentences.（可以小组竞赛）请在下午两点之前到达学校。自从 3 年前，我就离开北京了。你一到南京就打个电话给我。Presentation（一）before , after, when and while Read and translate:(1).He remained there for about a year before the NBA took notice
7、of him.(2).After he graduated, he was forced to play in another basketball league.(3).When he finally got the chance, he scored 20 points in his first game. (4). While attending junior high, Spud tried out for the school team.来源:学优高考网Ask : who can say anything about before,after,when and while?(小组讨论
8、)Conclusion: how to use them？（见课件）Before： at an earlier time thanAfter : at a later time thanwhen 既指时间点，也可指一段时间； while 只指一段时间，因此 when 引导的时间状语从句中的动词可以是短暂性动词，也可以是延续性动词，而 while 从句中的动词必须是延续性动词。 Practice （二）since ，until and till来源:学优高考网小组合作，讨论一下我们以前所学的有关它们的知识，看看哪个小组说的全面。再次给出解释（见课件）since 译作 “自从 以来” (1)接时间
9、点(2)接一段时间 + ago(3)接时间状语从句Till and until mean up to a certainly time. Until can be placed at the beginning or in the middle of the sentence, but till is usually used in the middle of the sentence. （1）用于肯定句作“直到为止”解时，主句的动词一般是延续到 until / till 表示的时间为止（2）在“not.until.” 句式中不能用 till 替代 （3）句首通常只用 until,不用 til
10、lPractice (三) using as soon as and whenever1. How to use as soon asAs soon as means when something happens, or a short time after something has happened来源:学优高考网2. How to use wheneverWhenever means at any timeLet students discuss first, and then give some examples.(见课件)Practice : part c1 and c2Group
11、workDiscussion:小组合作，就 school rules 这个话题展开讨论， 尽量使用我们课文中所学的连词。 如：We have to as soon as比一比：哪个小组列举的最多【课后训练】选择正确的连词填空。（1）Jim has been in the factory for three years _ he left school.（2）Mike is good at playing basketball _ Bruce does well in football.（3）This coat will not lose colours _ its washed.（4）I wi
12、ll not believe you _ I see it with my own eyes.（5）I must finish the work _ I go home.（6）The big clean-up began _ the typhoon passed away.（7）The students were talking _ the teacher came in.2. 句型转换（1）The teacher will tell him the news at once when he arrives at the school.（同义句）The teacher will tell hi
13、m the news _ _ _ he gets to school.（2）He went to bed after 2 a.m. （同义句）He _ go to bed _ 2 a.m.（3）Jacks teacher asks him, “ can you see the blackboard?” (合并)Jacks teacher asks him _ _ _ see the blackboard.（4）My father is a farmer. My mother is a farmer, too.(同义句)_ my father _ my mother_ farmers.（5）Th
14、e girl was so young that she couldnt take care of herself.(同义句)The girl was not _ _ to take care of herself.三选择( ) 1. Many people do not realize the importance of health _they have fallen ill.before until after as soon as while when sinceA. unitl B. while C. when D. after来源:学优高考网 gkstk( )2. _I got b
15、ack, I found my mother cooking for me.A. When B. Before C. Since D. Although( )3. Dont watch TV _ your homework.A. until you finish B. after you finish C. until you will finish D. after you will finish( )4. If you have trouble pronouncing these words, you can repeat them over and over _you are comfo
16、rtable with them.A. unless B. if C. until D. while( )5._ the children were having fun, the parents were taking photos of them.A. When B. If C. While D. Once( )6.Help others _ you can and you will make the world a nicer place to live in.A. because B. till C. whenever D. before( )7.I ma leaving for Ca
17、nada on a study trip next week.-_.A. Enjoy yourself. B. Thats all right. C. You are welcome. D. Good luck.四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).
