Unit 4 Growing up Grammar 教案 初中英语牛津译林版九年级上册.docx
Unit 4 Growing upGrammar教学目标通过本课时的教学,让学生达成以下目标:L知识目标(1)掌握单词:career, againsto(2)掌握连词 before, after, when, while, since, till, until, as soon as 和 whenever 引导的时间状 语从句。2 .能力目标(1)通过学习,掌握连词以及时间状语从句的用法。(2)学会用时间状语从句来表达思想,培养写作能力。3 .情感目标通过谈论学生自身的变化让他们懂得感恩。重点难点重点:学习生词和短语以及各连词引导的时间状语从句的用法。难点:灵活使用生词、短语以及连词,学会使用时间状语从句。教学准备PPT课件;相关图片。授课时数1课时教学过程Step ILead-inTalk about Spud Webb.1. Revise the sentences with adverbial clauses of time in the passage about SpudWebb. Lead in the clauses. While (he was) attending junior high, Spud tried out for the school team. When he finally got the chance, he scored 20 points in his first game. After he graduated, he was forced to play in another basketball league. He remained there for about a year before the NBA took notice of him.Step 2 Grammar ATalk about the meanings and the uses of the conjunctions: before, after, when,while.(1)before意为“在之前' 表示主句动作发生在从句动作之前。Close the windows before you leave the room, please.在你离开房间前,请关上窗。(2) after意为“在之后",表示主句的动作发生在从句的动作之后。I went to school after I finished my breakfast.我吃完早饭去上学。(3) when意为“当时' 表示主句动作发生的特定时间。The days get longer when spring comes. 春天来时, 白 天变长 了。(4) while意为“当时”,引导的从句用进行时态,从句谓语动词必须是延续性动词。While my sister was sweeping the floor, I was washing the dishes.我姐姐扫地时,我在洗碗。While the boys were playing football, it rained.当男孩子们踢足球时,下雨了。【注意】while后面还可以跟表示状态的词。While I was in Beijing, I visited a lot of places.在北京的时候,我参观了 很多地方。【拓展】在含有when和while引导的从句的主从复合句中,当主句和从句的主语一致,并且从句中含有be动词时,从句可以省略主语和be动词。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.旅游时我喜欢买一些纪念品。1. Do the exercise on Page 54.Answers: 1 I go jogging every morning before I have breakfast.2 After I practiced 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 came back from work.Step 3 Grammar BShow sentences which have adverbial clauses by since, till and until. You've been happy sincel first met you.(2) Spud remained in another basketball league for about a year till/untilthe NBA took notice of him.(3) Do not wake me up until you finish your work.1. Explain the usage of the conjunctions and the adverbial clauses by the words.(l)since意为“自从以来”,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。They have been friends since they were at primary school.他们从小学起就一直是朋友。(2)till和until意为“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。如果主句中的谓语动词是非延续性动词,必须用否定形式,即构成"notuntil”结构,意思是“直到才(开始)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。2. Do the exercises on Page 55.Answers: 1 since 2 till/until 3 till/until 4 since 5 till/until 6 till/untilStep 4 Grammar C1. Show the sentences with the conjunctions as soon as and whenever.(1) It began to rain as soon as I left the house.(2) I can read books whenever I want to.2. Give them some explanations.(1) as soon as意为“一就”,引导时间状语从句。时态遵循“主将从现”原则,即当 主句时态为一般将来时时,从句用一般现在时表将来。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。(2) whenever意为“每当,任何时候”,whenever可以用every 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。3. Do the exercises (Cl and C2) on Page 56.Answers:Cl 1 as soon as 2 whenever 3 Whenever 4 As soon asC2 (1) when (2) till/until (3) When/Before (4) whenever(5) Si nee/AfterStep 5 Language points.he scored 41 points in a game against the Atlanta Hawks.他在与亚特兰大老鹰队的一场比赛中得了 41分。Against介词,意为“对抗,与相反,违反”。Our class will play basketball against Class 2.我们班要与二班进行篮球对抗赛。We should never do anything against the law.我们不应该做违法的事。【拓展】against作介词,还可意为“倚,靠The boy is standing against the door.那个男孩正靠着门站着。Step 6 HomeworkRevise Grammar and finish the exercises.1. Preview Integrated skills and Study skills. Preview the words and read through the notes.当堂达标I.单项选择。1. Tigers wait it is dark, then go out to find their food.A. sinceB. untilC. asD. because2. 一 You have been in Nanjing very long?一 Yeah.my parents came here.A. ForB. AsC. When D. Since3.1 will send you an e-mail as soon as I in Canada.A. arriveB. arrivedC. am arrivingD. will arrive4. He brushed his teeth he went to bed.A. afterB. whileC. beforeD. sinceII.根据汉语提示完成句子。1. Be careful (做作业时).2. She'll return the books to you (她一看完它们).3. (当我七岁时),I could ride a bike.1.1 didn't go to bed (直到我父亲回来)last night.5. Kate went to bed (在她读完书后).6. He will go to say goodbye to his friends (在他动身去美国之前). 答案:L L4BDACIL 1. while (you are )doing your homework 2. as soon as she finishes reading them 3. When I was seven years old 4. until my father came back 5.after she read the book6. before he leaves for America板书设计Unit 4 Growing upGrammarbeforeaftersincetillwhenwhileuntilas soon aswhenever