M5 Unit 1 I was two then.教案

Unit 1 I was two then.
【教学目标】
识别单词：was, then, grandparent, were, young, old, hair, so, short, long能拼写2-3个自选词语。
能口头运用I was two .They were young , then .这类语句谈论过去的情况，对比过去与现状的不同之处。
【学情分析】
本节课的教学对象是小学四年级的学生。他们经过一年多的英语学习，已经初步掌握了一些单词和句型。在日常生活中能用英语进行简单的对话交流。而且他们活泼好动，好奇性强，参与性高。
【重点难点】
重点；能运用所学知识描述过去和现在发生的变化。
难点：会区别was-is/am, were-are的用法。
【教学过程】
Step 1: Warm－up
1. Greetings :
T: Good morning, boys and girls. Ss: … .
T: How are you today? Ss: … .
T: What’s the weather like today? Ss: It’s … .
T: Is it a nice day? Ss: Yes, it is.
T: So today I’m very happy. Are you happy?
Step 2: Presentation：
1.Look and talk about them:
教师出示一些图片或实物让学生说出其特点，复习学过的形容词：cute, tall, fat, thin, big, small, strong,引出新单词short, long, young, old.
2. T: Well done. You are so clever. (学习新单词so,举例： short-so short, tall-so tall)
3.出示教师的照片：
And look at this photo. Who is this little girl? Can you guess?
S1:…?S2:…?S3:It’syou.
T:Yes, you are right. It’s me. In this photo, I was 1 then. I was short and fat then. But now, (指着自己)I am tall and thin.
板：I was fat/short then. Now I am thin/tall.
告诉学生：在西方国家，描述他人长得胖用“fat”会很不礼貌，应该用“big”或“chubby胖乎乎的”。
T:What’s different for me?指着自己的头发说：Look, my hair was short, then. Now my hair is long.(学习新单词hair)
4. Look, 出示Sam图片，Who’s he?他一岁时是什么样的呢？(学习活动1)告诉学生在谈论自己过去的情况时要用was,谈论现在的情况时要用am.
5. How about you?让学生说说自己的变化。
I was______ then. Now I am _____.
Step 3：The text.
1. 出示Lingling小时候的照片：And how about this girl? Who is that little girl?让学生猜测并回答。
What was Lingling then? Please listen and choose:
(听活动2，选择Lingling过去的情况。)
Amy是怎样评价Lingling小时候的？学习were
2. How about Lingling’s hair?
(再听，选择Lingling的hair有什么变化.)
3. Lingling还介绍了谁？他们有什么变化？Who can you see in the photos?
讲解“grandparents”：告诉学生grandparents是grandma和grandpa的总称。
What were Lingling’s grandparents, then?
再听，学习， [They were young , then . ]
How about now? [They are old. ]
4. 教师出示自己父母过去的照片向学生介绍：
This is my parents. Look, they were young then. But now (换成现在的照片) they are old.
板书：They were young then. Now they are old.
告诉学生在谈论过去的情况时要用were, 谈论现在的情况时要用are.
5. Listen and repeat the text :
6. Now act it out:
Step 4: Practise
1. 让学生通过观察两个句型，总结出“was”“were”的用法：
都用于讲述过去的情况，was用于单数，were用于复数。
2. 完成填空：was were
Lingling’s grandparents _____ young, then.
The little girl in the photo _____ Lingling.
In the photo, Lingling _____ two.
Lingling’s hair _____ so short, then.
Lingling _____ cute and naughty, then.
3. Cna you guess: Who is this?
T: Ok, boys and girls. Let's play a guessing game,OK?
出示班上同学小时候的照片，引导学生描述当时的情况。
Ss: He/She was … .
T : Who is he/she , can you guess ?
让学生猜，再请该生起立：How about now ?
Ss: He is … .
4. Let’s say: (活动四)
让学生运用过去时讲述照片中人、物的变化。
…was ____then. Now … is _____ .
They were _____ , Now , they are _____ .
Step 5：Summary
T: Wonderful! A song for you! Listen to me carefully.教师示范唱《两只老虎》版自编歌曲。
I was two then. I was two then.
Now I’mten. Now I’mten.
They were young then. They were young then.
Nowthey’re old. Now they’re old.
师生齐唱。
Step 6：Homework.
Review the text :
介绍你自己以及家人的变化。