Unit 12 Life is full of the unexpected. 第1课时 课件+教案+练习+素材

课题

Life is full of the unexpected.

教学目标

Master the use of the past perfect tense, and learn to use this tense to describe the occurrence of accidents. Share and talk about each other's experiences, using the vocabulary, phrases and sentence patterns related to this lesson.

教学重难点

1. The composition and usage of the past perfect of grammar.
2. The difference between the past perfect tense and the simple past tense.

教学过程

Lead-in

Do you remember any unexpected situation in your daily life?

展示几张尴尬的人的图片。

Ask: What do you think of the people in these pictures? 

Ss: They look scared/bad.

T: What happened to the boy?

Ss: He broke his arm. He is getting an electric shock.

T: I was late for work today. When I got up, I found my clock had rung. It was 7:30.

By the time I went to the bathroom, my son had been in. So I had to wait. When I went out, I found my motorbike had broken down. (老师讲述自己迟到的经历，激起学生对一下内容的学习)。

Now look at the picture, let’s learn something about Tina’s bad day。

Learn

Step 1 Presentation

1. Work on 1a. Ask Ss to look at the pictures in 1a and ask: What happened to the girl?

2. Think and discuss in group: What happened to the girl?

Possible answers: She got up late. By the time she got up, someone had already gotten in the bathroom. She rushed out the door. The bus had left before she got to the station. When she got to school, she realized she had left her backpack at home. ….

3. Ask Ss to tell a story about the girl.

Step 2  Listening

Work on 1b.

1. Listen to the tape of 1b. Complete the sentences.

1. By the time I got up, my brother _____ already _______ in the shower.

2. By the time I got outside, the bus _____ already ______.

3. When I got to school, I realized I _____ ______ my backpack at home.

2. 过去完成时用法：

(1) 构成：由“助动词had (用于各种人称和数) + 过去分词”构成

     否定式：had not + 过去分词  

     缩写形式：hadn’t

(2) 用法：过去完成时表示在过去某一时间或动作之前已经发生或完成了的动作。

(3) 它所表示动作发生的时间是“过去的过去”。

① 表示过去某一时间可用by, before 等构成的短语来表示。

② 也可以用when, before 等引导的时间状语从句来表示。

③ 还可以通过状语从句或通过上下文暗示。

例如：

When I got there, you had already eaten your meal.

当我到达那里时，你已经开始吃了。

By the time he got here, the bus had left.

在他到达那里之前，汽车已经离开了。

Step 3 Pair work

Work on 1c. Take turns being Mary. Look at the pictures and talk about what happened this morning.

A: What happened?

B: I overslept. By the time I got up, my brother had already gotten in the shower.

…

Step 4 Listening

1.Listen to the tape for the first time and finish 2a.

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

2.Listen to the tape for the second time and finish 2b.

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

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

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

3. By the time I _______ (walk) into class, the teacher __________ (start) teaching already.

3. Retell the story.

通过听力训练，进一步熟悉练习过去完成时的构成和用法。

Step 5 Practice

1. Finish 2c. Make up an ending for the story and share it with your partner.

The teacher looked at Mary and asked her if she had finished the homework. Mary told her the unexpected things she met with this morning but they sound like excuses to the teacher. Therefore, Mary was asked to finish the homework in the class. What an unforgettable day it is for Mary!

2. Ask several students to tell their stories in class.

Step 6 Role-play.

1. Ask Ss to role-play the conversation in 2d.

2. Answer the questions:

1) Why was Kevin late for class?

2) How did Kevin get to school?

Language points

1. By the time I got up, my brother had already gotten in the shower.

by the time 在……以前,常引导表示过去的时间状语从句，主句常用过去完成时，即had+动词过去分词

例句：By the time I got there, he had already left. 

在我到那儿之前，他已经离开了。

2. So I just quickly put on some clothes and rushed out the door.

rush out  冲出去, 冲出……

例句：Henry rushed out the room and disappeared in the rain.

 亨利冲出房间, 消失在了雨中。

     Julia rushed out and didn’t return. 朱丽叶冲了出去, 再没回来。

3. Luckily, Carl’s dad saw me on the street and gave me a lift in his car.

gave …a lift  捎……一程

例句： Could you give me a lift, please?

 请问你能否捎我一程？

     Jim gave me a lift on my way home  yesterday.

 吉姆昨天在我回家的路上捎了我一程。

Exercises

Ask students to do some exercises that they have learned in the class.

Homework

Read and memorize the words in this lesson.