Period Five　Grammar-Verb­ing form as an adjective or adverb & Verb­ing phrases

感知以下句子，完成方框下的小题

1．Other types of waste flow into our water，killing river and sea life.

2．When people think of factories，they think of clouds of dirty smoke or of pipes pouring chemical waste into rivers.

3．They think of greedy businessmen hiding from their responsibilities and only worrying about money.

4．What I'm here to say is that having worked with many environmental consultants，I know that a healthy environment and development should be possible at the same time.

5．The people operating these factories are deeply concerned about the environment.

6．Asking around，I find many people willing to pay a little higher price for things that are friendly to the environment.

7．The film being shown in the cinema is very exciting.

8．Can you hear her singing the song in the next room?

以上各句中的黑体部分在句中充当的成分不尽相同。黑体部分在第1,4,6句中作状语；在第2,3,5句中作后置定语；在第7句中作表语；在第8句中作宾语补足语。

一、现在分词的概念

现在分词是非谓语动词形式的一种，通常由"动词原形＋ing"构成。现在分词既有动词的性质，本身可以带宾语或状语；又有形容词的性质，可以作定语、表语。

例如：

They went to the park，singing and talking.

他们边唱边说向公园走去。(singing and talking与went同时发生)(一般式)

Having done his homework，he played basketball.

做完作业，他开始打篮球。(having done发生在played basketball之前)(完成式)