译林版英语九年级上册_Unit4_Grammar名师教案

Unit4 Grammar名师教案
I. Teaching aims and learning objectives
By the end of the lesson, students should be able to:
1. learn the structure of time clauses;
2. use the conjunctions before, after, when, while, since, till, until, whenever, as soon as correctly;
II. Teaching contents
1. New words and phrases: against, career, feel tired out, become serious about
basketball, take part in the Olympics
2. New structure: Until his dream came true, Spud never gave up.
III. Focus of the lesson and predicted area of difficulty
Use the conjunctions to make sentences or conversations.
Ⅳ. Preview（课前预习）
活动一：
爱观察：本单元我们主要学习before, after, when, while, since, till, until, as soon as,和when引导时间状语从句，教材中Reading部分已学过的关于语法的句子有哪些？尝试在课本中画出来，观察它们有什么特点？试着找找规律吧！
活动二：
爱思考：仔细阅读教材Grammar部分，注意它们之间的的区别，观看视频讲解，尝试总结，我学到了什么？试着画出思维导图，拍照上传，与大家分享吧！
活动三：
爱创作：用学到的语法结构，再结合着本单元已学到的知识，尝试编一段对话或者故事，并将自己的成果上传分享！
【备注：学生登录“优教·同步学习网”完成本课时预习任务，教师可通过备课端查看预习结果反馈，针对性进行课堂教学】
Ⅴ.Teaching procedures
A Using before, after, when and while
Step 1 Warming-up
T: Spud Webb is an excellent basketball player from the US. In China, there is also a great basketball star. Who is he?
S: …
T: Yes. David’s favourite basketball player! How much do you know about him?
S: …
Step 2 Presentation
1. before, after
T: His parents are both basketball players. One is 2.08 m tall and the other is 1.88 m tall.
Before Yao Ming was born, many people believed that he would be a basketball star.
Did he become a basketball star later?
S: …
T: After he took some basketball training, he showed his talent in the game.
2. When, while
T: When did he begin to take training?
S: When he was 9, he began to take basketball training.
T: Yes, he started training at 9.
While/When he was attending junior high, he joined the Shanghai Youth Team. 【设计意图：以讨论David最喜欢的篮球明星姚明为线，导入新知识的学习。

学生对谈论对象的熟悉感能适当降低所学新知识带来的紧张度。

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3. Analysis
T: Now, boys and girls, please look at the four sentences.
What are the words “before”, “after”, “when” and “while” used as, conjunctions or preparations?
S: …
T: Yes. They join two sentences together. We call these sentences time clauses.
T: What are the meanings of these conjunctions? When do we use them? Can you work out the rule?
S: …
T: Good. “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.
【设计意图：通过free talk 呈现相关语句，并通过对语句的表层分析让学生感知连词before、after、when和while的用法。

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Step 3 Practice
bine sentences using before, after, when or while
T: David likes basketball very much. He is writing in his diary about one of his days.
Now please help him combine the sentences using before, after, when or while on page 54.
S: …
T: Now check your answers.
Read the sentences please.
We use “before”, “after”, “when” and “while” here as conjunctions to introduce time clauses.
2.Tips
T: Sometimes they can be used in another way. Can you finish this sentence?
Good!
What about this one?
Great!
So “before,after” here are used as …?
S: …
T: Preparations! Well done!
What about the following sentences? What if we leave out “I was”? Do they
have the same meaning?
S: …
T: They are the same! Remember the rule please!
【提示：此处课堂上教师可让学生使用优教同步学习卡进行抢答，根据结果反馈，进行精准教学。

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【设计意图：借助课本习题检测学生对新知的掌握，并举一反三，找出相关知识
点进行辨析比对，让学生灵活运用所学知识。

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3.Talk about one of your days
T: David talked about one of his days. What about yours? Please work in groups and share one of your days with others. Be sure to use “before, after, when and while”. Not less than four sentences.
S: …
T: Show time please!
S: …
T: You really have a funny/successful/hard-working day!
I am sure you will be as excellent as Yao Ming if you keep going on.
【提示：此处课堂上教师可让学生使用优教同步学习卡进行抢答，根据结果反馈，进行精准教学。

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【设计意图：鼓励学生将所学语言运用到日常会话中，检测学生的实际应用能力，同时抓住学生反馈中的亮点，适时进行激励教育。

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B Using since, till and until
Step 1 Presentation
1. since
T: Yao Ming joined the Shanghai Youth Team while he was attending junior high.
But when did he become a member of the national basketball team?
S: (When Yao Ming was 18 years old, he joined the national basketball team.)
T: A very early age! Did he do well in the team?
S: (Yes. Since he joined it, he has won many competitions.)
T: He is really great!
“Since” here is also used as a conjunction. What does it mean?
S: …
T: Yes. (From a certain time)
What about the use of verbs? Can you work out the rule?
S: …
T: Great! You are good learners!
2. until/till
T: Mr. Yao is also a good learner. He is not only famous in China, but also famous in the world.
When did he become famous in the world?
S: … (After he joined the NBA.)
T: Yes. He did not get the chance to be world-famous until he joined the NBA.
Is he still in the NBA now?
S: …
T: When did he leave the NBA?
S: …
T: He practised playing basketball very hard until/till 2011.
Then he ended his basketball career.
What does the word “until”, “till” mean in the sentence?
S: …
T: Yes. (Up to a certain time)
But do you know why do we use “… not … until” in the first sentence while “…
till/until” in the second one? Can you find out the rule?
S: …
T: We use “not…until” when the verb is a short action. We use “…till/until” when the verb is a long action.
Step 2 Practice
T: You know David is a great basketball fan. He is telling us something about that. Please help him complete the sentences in Part B on page 55.
Now check your answers.
Any difficulties? (Can we use “till” for No. 2 and No. 6?)
No. When we use the structure “not …until”, we should use “until” instead of “till”.
Read the sentences.
【提示：此处课堂上教师可让学生使用优教同步学习卡进行抢答，根据结果反馈，进行精准教学。

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【设计意图：以与A部分同样的方式，通过呈现、多样化练习的方式，让学生灵活运用所学知识。

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C Using as soon as and whenever
Step 1 Presentation
1. as soon as and whenever
T: Yao Ming left the NBA in 2011. What did he do after he ended his basketball career?
S: … (As soon as he ended his career, he became a college student.)
(He takes part in the charity whenever he is needed.)
T: He is really a man full of love!
Do you know the use of “as soon as” and “whenever” here?
S: …
T: As soon as means when something happens, or a short time after something has happened.
Whenever means at any time.
They are both conjunctions to introduce time clauses.
【设计意图：继续谈论姚明的篮球历程，引出since、until、till、as soon as和whenever的用法。

对所谈话题语句的用法进行发现归纳，让学生感知时间状语连词在使用过程中的区别与联系。

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Step 2 Practice
1.Make sentences
T: David is crazy about basketball. He always goes to play basketball as soon as school is over.
Can you imagine more about what he does for basketball? Use “as soon as” and “whenever” to make sentences! Just imagine!
S: …
T: Wonderful job!
plete the article
T: Being crazy about something is not bad. But we should learn to use our time correctly, right?
David likes Yao Ming very much. He is writing about Yao Ming. Help him complete his article in Part C2 on Page 56.
S: …
T: Check your answers.
3.Make an interview
T: Yao Ming is coming to David’s school. David wants to interview him. What will he ask? Work in pairs. Try to use the conjunctions we’ve learned in this class.
Here are tips for you.
【提示：此处课堂上教师可让学生使用优教同步学习卡进行抢答，根据结果反馈，进行精准教学。

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【设计意图：本部分设计采访姚明的活动，一是对本堂课所谈话题做个总体回顾，激活学生的思维，综合运用所学连词；二是让学生通过设计David的问题及回答来加深对hobby的理解，做到热爱但不沉溺，养成良好的生活态度与学习习惯。

】Ⅵ. Exercise
【提示：登录“优教·同步学习网”授课端，课堂上可直接调用当堂检测试卷，全
班学生用答题器作答，当堂反馈测试结果，教学更有针对性，课堂更高效。

】Ⅶ. Homework
1. Write a passage about your unforgettable weekend. Use the conjunctions “before”, “after”, “when”, “while”, “since”, “until/till”, “as soon as”, “whenever”. And you should use not less than 8 sentences.
2. 登录“优教·同步学习网”完成Integrated skills预习任务。