和谐英语

VOA慢速英语:The Danger of Counterfeit Drugs (Second of Two Parts)

2010-03-01来源:和谐英语
1.Today we look at what is being done to fight counterfeit drugs.

现在进行时 被动语态

我们来看一下各种时态的被动语态。

1)一般现在时的被动语态 am is are+过去分词

The boy is called Daniel. 那个男孩叫丹尼尔。

You are invited to give us a talk. 邀请您给我们做个讲座。

2)一般过去时的被动语态was, were + 过去分词

I was given a present. 我收到了礼物。

Trees were planted every spring by us. 我们每年春天都种树。

3)一般将来时的被动语态 will/shall be + 过去分词

The job will be finished by him. 他很快就会完成工作了。

A new railway will be built in this city next year. 明年市里将建新铁路。

4)现在进行时的被动语态 am, is, are + being +过去分词

A new cinema is being built here. 新的电影院正在修建。

Money is being collected for the project. 我们正在为工程集资。

5)过去进行时的被动语态 was, were + being + 过去分词

A meeting was being held when I was there. 会议举行时我在那里。

The pen was being used by May yesterday. 昨天阿美在用这支笔。

2.And there are existing methods, like a machine that can quickly identify chemicals in pills to confirm if the pills are real.

whether/ if引导宾语从句

I don’t know whether he’ll arrive in time. 我不知道他是否能及时到。

I didn’t know whether they liked the place. 我不知道他们是否喜欢这个地方。

I’ll see whether I can induce him to accept it. 我要看看我是否能劝他接受。

I asked her whether she agreed. 我问她是否同意。

He enquired if her parents spoke Spanish. 他问她父母是否讲西班牙语。

I wonder if it’s large enough. 我不知道它是否够大。

She didn’t say if he was still alive. 她没说他是否还活着。

3.People could send a text message with the code and get a message back confirming that what they bought is listed in a database.

confirming是后置定语,修饰message。that引导宾语从句。what they bought是宾语从句中的主语从句。

4.He says the Internet is not only a place where people can get tricked into buying counterfeit drugs. It is also a place where counterfeiters can find all the materials they need to make them.

not only,also不但,而且。where people can get……是定语从句,修饰a place。they need to make them是定语从句,修饰materials。