Learning about Language教学设计(第一课时)

Book 8 unit5 Meeting Your Ancestors

Learning about language

Teaching important and difficult points:

the using of tense: Present Perfect Continuous Tense

Teaching Process

Step1 lead-in Check the homework. Step 2 Presentation

1.现在完成时表结果, 他的动作发生在过去, 但是对现在有影响, 而这种影响却往往

是说话人的兴趣所在。现在完成时跨越两个时间, 一个是过去, 另一个是现在。

e.g. 我从1975年起就学英语。I___________________

since 1975. 自12世纪以来, 中国就使用彩色印刷了。

They _________________

in China since the 12th century. 2.Present Perfect Continuous Tense 现在完成进行时: 基本用法

1) 强调时间的持续性。如：

电话响了差不多一分钟, 为什么没人接?

The telephone _________________ for almost a minute. Why doesn’t someone answer it?

2) 表重复。叙述从过去某时到现在或最近已在重复的动作。如：

最近天气变化无常, 我时常感冒。

The weather _________________lately; I’ve been having a lot of colds. 3) 有感情色彩。如：今天真是一个多事之日。

Too much__________________________ today. 现在完成进行时和现在完成时的比较:

A. 未完结性

I’ve cleaned the windows.

我把窗户擦干净了。

I’ve been cleaning the windows.

我擦窗户来着。(可能窗户尚未擦完) B. 短暂性

现在完成时与现在完成进行时都可以表示延续至今的状态, 但完成进行是常表示短暂性。

A.

They have lived in New York.

B.

They have been living in New York.

句A具有__________性, 而句B具有____________-性。

C. 刚完结性

与现在完成时相比, 现在完成进行时有时可以表示刚刚完结的动作。有时它是现

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在事件的直接原因, 或者是得出结论的证据。如:

我的手很脏, 我在油漆汽车来着。My hands are dirty. I____________________ the car.

你的眼睛又红又肿, 你是不是哭来着？

Your eyes are red and puffy. _____________________

? D. 连续性或重复性

现在完成进行时常常用于表示延续至今的连续性或重复性动作。如：

Jim have been phoning Jenny every night for the several month.

All these days he has been writing articles to our magazine. 结论: 现在完成进行时主要用于表示

A. 过去开始而且现在仍在进行的动作

B. 过去开始, 现在刚刚停止的动作。

C. 现在看到其直接结果的动作。

现在完成时主要用于表示已经完成的动作及其与现在的关系。

Step3 PRACTICE 1. —— Hi, Tracy, you look tired. —— I'm tired. I ___ in the living room all day. A. painted

B. had painted

C. have been painting

D. have painted 2. — There is so much snow these days, isn't there? — Yes, it ____ for a few days.

A. was snowing

B. has been snowing

C. had been snowing

D. snowed 3. Although these scientists ____ on the project for nearly four years, I don't know how long it will last. A. have been working

B. had worked

C. were working

D. are working 4. Now that she is out of job, Lucy ____ going back to school, but she hasn't decided yet.

A. had considered

B. has been considering

C. considered

D. is going to consider 5. The little boy is dirty from head to foot because he ___ in the mud all morning. A. has played

B. is playing

C. has been playing

D. was playing 6. I ___ my work by the time the teacher ____ back.

A. was finished.., came B. shall have finished.., comes C. had finished.., comes

D. have finished.., will come 7. I ___ to see the film last week because I ___ it twice.

A. didn't go... had seen

B. don't go... have seen C. hadn't go... had seen

D. didn't go... have seen 8. Who do you guess ___ where I ___ just now? A. lie.., lay

B. is lying.., lay

C. lies.., lain

D. lied.., laid 9. I'll phone you if she ___ this evening. In fact she didn't tell me if she___.

A. would come.., will come B. will come.., came

C. comes.., would come

D. come.., came

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10. I ____ into the bus when I ___ a girl call my name. A. had hardly got..., hear

B. had hardly got..., heard

C. was no sooner setting..., heard

D. did hardly get..., had heard Step Homework Finish off the exercises in the textbook.

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