Learning about Language名师教学视频（文字实录）

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Book8 Unit5 Grammar—Revise the Verb Tenses 教学目标：

知识与技能：

a . To let the students learn the use of the present perfect continuous tense. b. To enable the students to use the present perfect continuous tense correctly and properly. 过程与方法：

a. To ask the students to summarize the use of the present continuous tense. b. To ask the students to do some additional exercises for consolidation. 情感、态度与价值观：

a. To get the students to become interested in grammar learning. b. To develop the students’ ability of comparing and summarizing. 重难点: a. To get the students to become interested in grammar learning. b. To develop the students’ ability of comparing and summarizing. Step I : Warming up and leading Step II: Explain the following two kinds of tenses 1.The Present Perfect Tense现在完成时

基本构成：___________________ 基本用法: 现在完成时表__________, 他的动作发生在_____, 但是对______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_____, 另一个是_____。

e.g. 我从1975年起就学英语。

____________________________________________________

自12世纪以来, 中国就使用彩色印刷了。

They_______________________________________ since the 12th century. 2.Present Perfect Continuous Tense现在完成进行时

基本构成：_________________________ 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 _________________________________. 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 has been changeable lately; I________________________________. 3) 有感情色彩。如：

今天真是一个多事之日。

Too much__________________________________ today. 3.现在完成进行时和现在完成时的比较:

A. 未完结性

I _____________________________.

我把窗户擦干净了。

I ________________________________.

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________的状态, 但完成进行时常表示短暂性。

A.

They have lived in New York.

B.

They have been living in New York.

句A具有_________, 而句B具有______________。

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。有时它是现在事件的____________, 或者是____________________。如:

My hands are dirty. I’ve been painting the car.

_____________________________________________

Your eyes are red and puffy. Have you been crying?

______________________________________________ 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_________或____________。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. __________________________的动作。

B. __________________________的动作。

C. __________________________的动作。

现在完成时主要用于表示___________________________________________。

Step III: Consolidation 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 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 8. Who do you guess ___ where I ___ just now?

A. lie.., lay

B. is lying.., lay

C. lies.., lain

D. lied.., laid 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 用现在完成时和完成进行填空: 1. A:

--- I am sorry I _________ (keep) you waiting so long.

B: --- It is all right. I ________________ (read) the newspapers. 2. The CCTV ____________________ (broadcast) English programmers ever since 1977. have been reading 3. You _______ (feel) better when you __________ (take) the medicine. 4. She said we __________ (may keep) the book as long as we _____ (like).

5. Please wake me up if I ___ still _______ (sleep) when you _____ (come). 6. My sister ________________ (learn) English since she ____ (be) a child. She ______ (speak) English fluently now. 7. My uncle ________ (come) to see us. He _______ (arrive) here a few days ago. I _________ (start) for Sydney tomorrow morning. 8. He _____ (break) his glasses when he ___________ (play) in a football match. 下列各句均有一处错误，请指出并改正。

1.The water has been run the whole night.

2. Hello, Tom. I have looking for you all morning. Where have you been?

3. His cool expression suggested that he want to leave.

4. He tried to harm other people, only to ruining himself.

5. If only I can speak several foreign languages!

6. We can all leave together —

assumed that the others aren’t late.

7. Paul is very tired. He had been working very hard all morning.

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)

e.g. S1: Mrs. Smith learned to drive three years ago.

(how long)

S2: How long have you been driving, Mrs. Smith? 1. Sam has just finished learning to fly an airplane on a six-month course. (how long)

___________________________________________________________________

2. He swam till he felt very tired. He has just stepped out of the swimming pool. (how long)

_______________________________________________________________ 3. The nurses in the kindergarten have been busy looking after the sick children all day. (what)

____________________________________________________________________

4. They have argued with each other for years about the best way to grow potatoes. (what)

____________________________________________________________________ 5. Sales of washing machines have been increasing this year. (why)

_____________________________________________________________________ 6. Jiao Yang uses a particular kind of washing powder and his clothes have always been clean and soft. (what)

____________________________________________________________________ 7. The poor girl has been collecting seashells to make a living. (why)

____________________________________________________________________ 8. Philip started to ride a skateboard at the age of six. (how long)

____________________________________________________________________ Step IV: Homework