Learning about Language教学目标设计

Book8 Unit 5 Meeting your ancestors Discovering useful structures

Revise the verb tense—including the Present Perfect Continuous Tense Teaching aim: Get students to review the use of the Present Perfect Continuous Tense 课前预习案Previewing Case （完成时间10分钟）

一、

复习上两个单元过去分词作定语，表语，宾补和状语的用法

1. 语法填空：

1. Cleaning women in big cities usually get ___________ (pay) by the hour.

2.The cars

(produce) in Beijing are as good as those

(produce) in Shanghai. 3. ___________(lose) in thought, he almost ran into the car in front of him. 4. The more you practise ______ English, the better your _____ English will be.(speak) 5. I’d like to have this package _______________ (weigh), madam.

6. ____________(see) the famous singer, many teenagers waited for a long time. ____________(see) the famous singer, many teenagers felt excited. 7. Generally speaking , when ________(take) according to directions , the drug has no side-effect. 8.

(compare) with the women, she is lucky. 9. Weather _____________(permit) ,we will go outing. 10. _______________ (write) the letter, he went out to post it.

2. 用过去分词改写下列句子：

1. As the book is written in simple English, it is easy to understand. ______________________________________________________________________________ 2. After we visited the Great Wall, we went to the Tian An Men Square. _______________________________________________________________________________ 3.

Jack’s answer satisfied the professor.

The professor ________________________________ Jack’s answer .

Jack’s answer _______________________________. 4. As he was not invited to attend the opening ceremony, he felt unhappy. _____________________________________________________________________________ 5. Only those who respect others can be respected. _____________________________________________________________________________ 二、观察下列句子，分析划线部分所用的时态。

1. We have been excavating layers of ash almost six metres thick. 2. We have been finding the bones of tigers and bears in the caves. 3. The factories have been polluting zhoukoudian cave. 4. It has been raining for three hours. It still rains now. 5. He has been collecting all kinds of stamps since he was ten years old.

6. We have been studying here since 2004.

7. She has been sweeping the street all day. She is too tired.

8. We have been waiting for you for two hours.

We don't want to wait any longer.

9. Have you been studying for the English test today?

10. How has your uncle been getting on with his work?

归纳总结：

1. 现在完成进行时的结构：

_____________________________________.

2. 表示从过去某时开始一直延续到说话时还在进行，或可能还要继续下去的动作。它通常和“for+段时间”或“since+点时间(也可以是从句)”的时间状语连用。如例句_____________. 3. 叙述从过去某时开始一直继续到现在，但不再继续下去的事情。带有浓厚的感情色彩，强调持续了“那么久”或做得“那么辛苦”。如例句_______________. 4. 一般疑问句结构：________ + 主语

+ __________ + ______________

特殊疑问句结构：特殊疑问词+ 一般疑问句

即学即练：1. Although these scientists _________________(work) on the project for nearly four years,

I don't know how long it will last.

2. Now that she is out of work, Lucy ________________ (consider) going back to school, but she hasn't decided yet. 3. My sister ___________ (learn) English since she was a child. She speaks English fluently now.

课堂探究案：

探究一：现在完成时与现在完成进行时的区别：

现在完成时的概念：表示到现在或目前为止已经完成或刚刚完成的动作，不提及动作的具体时间。

现在完成进行时的概念：表示以前的动作持续到现在，并仍在或有可能继续做下去。

e.g.

1. I’ve cleaned the windows.

我把窗户擦干净了。

2. I’ve been cleaning the windows.

我擦窗户来着。(可能窗户尚未擦完)

即学即练：1. Mike is our manager. He ______________ (work) in our company for 10 years. 2. Harry ________________ (visit) over 50 places of interest since he came to China last year. 3. Thousands of schools ______________ (build) for Project Hope in the past 10 years. 4. —— Hi, Tracy, you look tired.

—— I'm tired. I ________________(paint) in the living room all day. 5.The little boy is dirty from head to foot because he ____________(play) in the mud all morning.

探究二：句型转换

In pairs, take turns to read the statement and turn it into a question using the present perfect continuous tense. The words in brackets may help you.

(P41 EX.2 )

训练案：

1. 补全对话（P41 EX 3）

2. Workbook (P 80 EX 1.2 )