Learning about Language名师课堂实录

Discovering useful words and expressions

1 Complete the passage using the

correct form of the words and phrase.

alternative

sharpen

identify

regardless of

aware excavation

assume

ample

primitive

due

Davidson Black was a Canadian doctor who organized the ____________ that led to the discovery of the bones in the Zhoukoudian caves near Beijing. He was a specialist in the study of bones and it was his ambition to find and ________ bones of early humans. His university was ______ of the significance of his work. At first they gave him ______ time to do this research, but later they realized he was prepared to pursue it ______________ his students’ needs and his teaching career, so they forbade him to travel there any more. It was his assistant, Pei Wenzhong, who made the discovery of these ________ bones and _________ stone tools. Somehow he cycled thirty miles to Dr Black because there was no __________ means of

transport. Dr Black ________ this discovery would change the way academics thought about early people in China. He knew that his success was almost entirely ____ to his assistant’s systematic hard work.

2 Complete these sentences using the

correct form of the phrases

below.

on behalf of

in spite of

regardless ofahead of

because of

instead of

1. Nobody has the right to spit in the street _____________ their social

position or age.

2. _________ the song’s popularity, the band deleted it from their new album as they failed

to find one who could sing it well enough.

3. Sophie got a bad scratch from her cat

__________ her carelessness while playing

with it.

4. Sam made a tentative guess that six months of his flying course lay ________ him.

5. The vice president gave a welcome speech

____________ the Academy of Arts at the exhibition.

6. The guest waited patiently at the

receptionist’s desk ___________ interrupting the meeting.

3 Complete these sentences with words or phrases from the text. Make sure to usethe correct form.

1.Since the famine broke out, the number of

people dying of __________ has been increasing.

2. The doctor’s ________ stated that she has suffered from ______ anxiety for a long time.

3. This is really a ______ bookshelf and I think you should organize it

well and put the books in __________.

4. Do you know the best way to stop crying when _________ onions?

5. I will pay just 120 yuan for the quilt ________ because I only have that much

in my wallet.

6. This table mat is ten square ___________, and you can get a dozen for only one dollar.

现在完成进行时

现在完成进行时表示动作从过去某一时间一直延续到现在或离现在不远的时间。其动作是否延续下去, 则由上下文而定。现在完成进行时多用持续性动词如live, learn, lie, stay, wait, stand, rest, study等, 常和all the time, this week, this month, all night, all the morning, recently 等状语以及

since 和

for

引导的时间状语或从句连用。

1. 构成形式:have/has been doing

2. 用法

1) 叙述某一动作从过去开始一直继续到现在

仍在继续之中或刚刚停止。经常与for,

since, all morning/day/week用在一起。

You have been studying for four straight hours.

Why don’t you take a break?

The telephone has been ringing for almost a minute. Why doesn’t someone answer it?

2) 叙述“最近”一直从事的工作或活动。

lately, recentlyWhat’s the matter? Your eyes are red and

puffy. Have

you

been

crying?你是不是一直在哭? 3) 表示重复动作。有时现在完成进行时

表示的动作并不是在一直不停地进行, 而是在断断续续地重复。

I have been knocking. I don’t think anybody’s in.

我一直在敲门, 我想没人在里面。

You’ve been saying you can succeed for five years.

5 年来你一直在说你能成功。

I have been writing letters since breakfast.

我从早餐起就一直在写信。

4) 表示“刚才、近来”发生的动作, 一般不再继续。

此时一般通过上下文的语境进行判断。

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

我的手很脏, 我一直在漆门。

What have you been eating to get as fat as this?

你都吃什么啦, 怎么这么胖？

5) 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”。

I have been wanting to meet you for a

long time.

和你见面是我盼望已久的事了。

Too much has been happening today.

今天真是一个多事的日子。

Oh, you have come at last! I have been waiting for

you for two long hours.

我等了你足足两个小时。

You are here! I have been looking for you long.

我找了你老半天。

Practice

1. China sent up Shenzhou V manned spaceship into space successfully, which shows science and technology ________

rapidly in China.

A. have been developing

B. develops

C. is developing

D. had developed

2.--Hi, Tracy, you look tired.

--I am tired. I _________ the living room all day.

A. painted

B. had painted

C. have been painting

D. have painted

3.

The two friends ________ on the Internet

for three hours, and they would go on till

the next morning.

A. had been chatting

B. had chatted

C. were chatting

D. have been chatting