新人教选修8 Unit5 Meeting your ancestors-Grammar[课件]

新人教选修8 Unit5 Meeting your ancestors-Grammar[课件]

Grammar

新人教选修8 Unit5 Meeting your ancestors-Grammar[课件]

Lead-inThe Present Perfect Tense现在完成时: 基本用法 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。

新人教选修8 Unit5 Meeting your ancestors-Grammar[课件]

e.g. 我从1975年起就学英语。 I have studied English since 1975.自12世纪以来, 中国就使用彩色印刷了。

They have done color printing in China since the 12th century.

新人教选修8 Unit5 Meeting your ancestors-Grammar[课件]

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 has been ringing for almost a minute. Why doesn’t someone

answer it?

新人教选修8 Unit5 Meeting your ancestors-Grammar[课件]

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’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 has been happening today.

新人教选修8 Unit5 Meeting your ancestors-Grammar[课件]

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)

新人教选修8 Unit5 Meeting your ancestors-Grammar[课件]

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具有长期性, 而句B具有短暂性。

新人教选修8 Unit5 Meeting your ancestors-Grammar[课件]

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 件的直接原因, 或者是得出结论的证据。如: 我的手很脏, 我在油汽车来着。

My hands are dirty. I’ve been painting the car.你的眼睛又红又肿, 你是不是哭来着？

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

新人教选修8 Unit5 Meeting your ancestors-Grammar[课件]

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.

新人教选修8 Unit5 Meeting your ancestors-Grammar[课件]

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。

新人教选修8 Unit5 Meeting your ancestors-Grammar[课件]

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?

新人教选修8 Unit5 Meeting your ancestors-Grammar[课件]

1. Sam has just finished learning to fly an airplane on a six-month course. (how long) How long have you been learning to fly an airplane, Sam? 2. He swam till he felt very tired. He has just stepped out of the swimming pool. (how long) How long have you been swimming?

新人教选修8 Unit5 Meeting your ancestors-Grammar[课件]

3. Sally and Zhou Xin have been busy all day. (what) What

have you been doing, Sally and Zhou Xin? 4. They have argued with each other for years about the best way to grow potatoes. (what) What have you been arguing about for years?

新人教选修8 Unit5 Meeting your ancestors-Grammar[课件]

5. Jiao Yang uses a particular kind of washing powder and his clothes have always been clean and soft. (what) Jiao Yang, what kind of washing powder have you been using that makes your clothes so clean and soft?

新人教选修8 Unit5 Meeting your ancestors-Grammar[课件]

Consolidation1. —— 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

新人教选修8 Unit5 Meeting your ancestors-Grammar[课件]

2. — There is so much snow these days,

isn't there?— Yes, it ____ for a few days.

A. was snowingB. has been snowing

C. had been snowingD. snowed