Unit 12 Life is full of the unexpected.

The First Period Section A 1a–2c

【Teaching aims】

一、听、说、读、写以下词汇及词组：backpack, oversleep, give a lift[来源:学科网]

二、通过学习，口、笔头掌握下列句型：

1. By the time she got up, her brother had already gotten in the shower.

2. By the time she went outside, the bus had already left.

3. By the time she got to the class, the teacher had already started teaching.

4. By the time I got back to school, the bell had rung.

5. When she got back to school, she realized she had left her backpack at home.

三、学会使用过去完成时态，叙述过去发生的事情。

四、增强做事的计划性，学会合理安排时间。

Difficulties（难点）：学会使用过去完成时态，叙述过去发生的事情。            

【Teaching steps】

 Before listening

Warm-up and revision（课堂热身和复习）

1.你能写出下列单词的过去时和过去分词吗？

ring ________ _______                        get _________ ________    

go ________ _________                       leave ________ ______

start _______ ______                         have _________ ________

break ______ ______                         run ______ _____                       

teach ______ ________                       take ________ ________  

wake ________ _________                    be _________ ________

2.Pair work

A: What did you do in this morning?

B: I …

教学设计说明：用小组抢答的形式复习旧知，活跃气氛，激发兴趣。

While listening

Presentation（呈现新知识）

1.观察1a 中的图片，与下面的词组连接在一起

教学设计说明:以描述图画内容为任务，练习本课重点短语句型，同时，对后面听力的进行预测。降低听力难度。

2.Listen to Mary talking about her morning. Complete the sentences.

By the time I got up, my brother _____________ already _______________ in the shower.

By the time I got outside, the bus _____________ already ____________.

When I got to school, I realized I __________ ___________ my backpack at home.

3.再听一遍录音，完成下面的对话。

Boy:  Hi, Mary. You look so tired.

Mary: I am. I had a bad morning

Boy: Really? What happened?

Mary: Well, first of all I ___________. By the time I got up, my brother _____ already _______ in the shower.  

Boy: Oh, what a pain!

Mary: So, after he got out of the shower, I took a quick shower and got dressed. But by the time I ________outside, the bus _______ already _________.

Boy: Oh, no!

Mary: Oh, yes! So I ran all the way to school. But when I got to school, I ________ I _____________ my backpack at home.

Boy:  No wonder you look stressed.

4.模仿秀:跟读模仿，注意语音语调。

教学设计说明:通过听—模仿—自主对话，进一步巩固本课功能句。

5.Listen to Mary continue her story. Number the pictures [1–4] in the correct order.

教学设计说明:进一步启发学生思维，再次对下一段听力进行预测。

6.听两遍录音，完成下面的对话。

Boy: So then what did you do, Mary?

Mary: Well, I _________________ to get my backpack. But when I got home, I realized I __________ my keys in the backpack.  

Boy: You’re kidding!

Mary: So I ran back to school without my keys or my backpack. But by the time I got back to school, the bell ___________________.

Boy: Oh, no!

Mary: And by the time I walked into class, the teacher ______________ teaching already. She asked for our homework, but of course I didn’t have it.

7.Fill the blanks with the correct forms of the verbs in brackets. Then listen again and check your answers.

When I ________ (get) home, I realized I ________________ (leave) my keys in the backpack.

By the time I _______ (get) back to school, the bell _________ (ring).

By the time I ________ (walk) into class, the teacher __________ (start) teaching already

8.观察与思考

通过刚才的听力训练，你来总结一下。

（1） By the time I got up, my brother had already gotten in the shower. When she got to the school, she realized she had left her backpack at home.

这两句话是什么时态的句子?

（2）过去完成时可以表示过去某一时刻或某一动作之前完成的动作或呈现的状态。也就是说发生在“__________”。（3）by the time 意思是 __________, 相当于 when, 后接过去时的句子时, 主语的谓语动词用____________。

9.练习：用所给词的适当形式填空

1）When they got to the station, the train_________ (leave).

2）By the time she got to class, the teacher _______ already _________ (start) teaching.

3）As soon as she got to her workplace, she realized she __________ (forget) to lock the door.

4）When he _________ (get) to the cinema, the film ___________ (begin).

10.Pair work :发挥自己的想象力,共同来给Mary的故事编一个结尾，并把它讲给其他同学听。开头可参考下面的句型：The teacher looked at Mary and ...

完成学习目标一、二。

教学设计说明：通过练习，对本课的功能句进行巩固训练。

完成学习目标三。

After listening

1.Group work:

Did you ever experience something similar to Mary’s morning?

Do you like it?

If not, what should we do?

2.小结。

教学设计说明:在会听会写的基础上，进一步提升，把本堂课的知识落实到书面上。

完成学习目标四。

【家庭作业】用第三人称介绍Mary的早晨，并把它写下来。