Passive

We use passive when we are not interested in who carries out an action or it is not necessary to know.

The passive is formed with the verb to be + past participle.

We can use by, if we want to say who performs the action.

We often use passive in a formal or impersonal way.

The hospital was built in 2006.The Iphone was inventend by Steve Jobs.

 

Use the following verbs to complete the sentences.

develop      test      publish     approve by     carry out      train      test

The pill______________ on humans.

The pill _________________ in the laboratory.

Market research ____________________.

The pill__________________on animals.

The experiment_____________________the medecins commitee.

The result of the experiment_____________________.

The pill salesman_________________.

 

 

Answers

The pill was tested on humans.

The pill was developped in the laboratory.

Market research was carried out.

The pill was tested on animals.

The experiment was approved by the medecins commitee.

The result of the experiment was published.

The pill salesman was trained.

 

 

 

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