小学英语冀教版 (三年级起点)五年级下册Lesson 19 Li Ming Goes Home优秀ppt课件
展开Lesson 19 Li Ming Comes Home
一、教学目标
1.学生能够用一般过去时描述李明的故事。
2.学生能够区别一般现在时和一般过去时，正确运用过去时态对日常生活进行描述。
3.学生能理解某事发生在现在和某事发生在过去的概念。
二、教学重难点：
重点：本课的动词过去式及句型I _____ed yesterday.
难点：能够熟练运用功能句，结合自己实际生活综合运用语言进行交流。
三、教学准备： 多媒体、词卡
四、教学设计：
Step 1: Class Opening and review
1.Greeting
T: Good afternoon, boys and girls. How are you?
S: I’m fine, thanks.
T: What day is it today? S: It’s Friday. （today词卡贴在黑板上）
（设计意图：简单的问候拉近师生间的距离。日期的提问，引出一般现在时的关键时间词today。）
T: Tomorrow is Saturday. We don’t go to school. What do you often do on Saturdays?
Ss: I often_____.
T: Well done. Do you want to know what do I often do on Saturdays? Please guess.
Ss: ......Maybe.
（设计意图：设计了猜测老师周六经常做什么的游戏，既激发了学生学习的兴趣，又复习了常见动词短语，为后面动词过去式的出现做铺垫。）
T: Look! I often watch TV. I often walk to the park. Are you clear? Read the sentences together.
T: Yesterday I didn’t watch TV and walk to the park. What did I do yesterday?课件出示时间轴演示时间。
（设计意图：用时间轴演示时间使学生对yesterday更容易理解，更直观深刻。）
出示I watched a film yesterday. I walked to the library last night.
T: Last night means yesterday evening. Try to read and guess.（拿出词卡带读贴在黑板上）
（设计意图：设置情景从一般现在时自然而然的引导一般过去时，学生更容易接受些。）
T:Let’s read the sentences in part 2. Then Compare these sentences together. What can you find?
T: What’s the difference of verbs?
S:后边一组的动词加了-ed.
T: Yes. We call them past tense. 这种动词加-ed的形式叫动词过去式。
T：-ed pronounces /t/
T: Can you read the words? watched walked
T: When should we use the past tense? 什么时候用过去式？
S: 发生在过去，已经发生了的事。
T: Here is a tip. Please read.
T: Are you clear?
T: Let’s read and write.
1. I_____(wash)the clothes yesterday.
2. She____(help)her parents last night.
- He____(call)his friend last Sunday.
T: Look here, yesterday, last night and last Sunday are the past time.
T: What’s make the simple past tense?
S:主语+过去式+过去时间
T: Now let’s read these sentences.（拿出句子条让学生读）
T: Who can put them on the blackboard? 让学生把条贴黑板上
(设计意图：在讲授动词过去式的变化、用法以及一般过去时的构成时，都采用了学生观察、判断、分析、总结这一系列自主学习的方式，老师最后补充的形式，这样调动了学生的积极性，也使语法的学习变的不是那么枯燥无味。）
3. Li Ming’s story
T: As we known, Li Ming went on a trip to Beijing. Today let’s go on Li Ming’s story. Now he comes home. Did he have a nice trip? Listen.
T: Did Li Ming have a nice trip?
S: Yes. He had a nice trip.
“Had” is the past tense of “have”. have-had. It is special.
Read the sentence.
T: What did he do yesterday? Listen and circle the answers on your books. 找学生说一说
（设计意图：对李明的故事提问了一个主旨性的问题，让学生自己去书中找到相应的过去式。既考查了学生对课文的理解，又检验了学生是否真正的能够找到短文中的动词过去式。）
T: This time fill in the blanks.
T: He ____ to Wangfujing Street. He _____there. He ____ to buy a gift for his father. He____ in many shops. He ____ a T-shirt.
T: Are you right?
(设计意图：将动词过去式从听读的操练转变到笔头的落实上，加深学生印象。）
单独出示所有动词过去式以及原形
T: Look at these words. Follow me to read:
walk-walked......Read twice with your partners. Read it together.
（设计意图：在读的过程中，使学生发现动词过去式的特殊读音，并用音标的形式体现出来，学生记得更深刻些。）
T: Do you have any questions? S: No.
T: Read this part by yourselves.
Step 3 : Practice
- T: You did a good job. This is Li Ming’s story. Now let’s read and order.
( )Li Ming had fun in Beijing.
( )He walked to Wangfujing Street.
( )He missed his father very much.
( ) He looked in many shops.
( )He wanted to buy a T-shirt for his father.
T: Let’s read them in the right order.
- T: Can you tell the story now?
First read the key words. Practice with your partners.同桌两个说一说；找两个学生说一说
T: Who’d like to tell the story?
Good try. You did a good job.
（设计意图：课后两道练习题的目的都是为了让学生复述故事，使学生能够理解故事以及动词过去式。）
- T: What did you do yesterday? Make a survey in your groups. Four students in a group.课件
A: I____(ed) yesterday. What did you do?
B: I____(ed).
A: What did you do?
C: I____(ed).
A: What about you?
D: I ____(ed).
T:Understand? Begin now. 找三组来演练。
T:Finish your blanks.
（设计意图：设计调查问卷的形式，练习本课出现的重点句型what did you do?I____(ed).最后落实到写上来，顺便检查了学生对特殊动词过去式写法的掌握。)
Homework: 1.What did you do last summer holiday? Write some sentences and draw some pictures.
2.Finish No.2 on Page57.
七、板书设计： Lesson 19 Li Ming Comes Home
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