Homework - 02/07/08

Exercise 2: Passives.
Rewrite the underlined parts of these sentences. Instead of using ‘people’, ‘somebody’, or ‘they’, write a passive sentence with an appropriate verb form.

We maintain them.
They are maintained.

We define tropical forests.
Tropical forests are defined.

Scientists distinguish methane because it has.
Methane is distinguished because it has.

They reformed the old dilator procedure.
The old dilator was reformed.

The government passed the Disease Regulations.
The Disease Regulations are passed.

Researchers isolated and crystallised lysozyme.
Lysozyme was isolated and crystallised.

The recent local crime surveys replicate these findings.
These findings are replicated by the local crime surveys.

Everybody eventually generally accepted the date.
Eventually the date was accepted generally.

We next consider a range of rival theories.
The range of rival theories are considered next.

The examiners should conduct the examinations.
The examinations should be conducted.

We’ll confine the discussion.
The discussion will be confined.

The researchers transcribed many genes and synthesise many proteins.
Many genes were transcribed and many proteins were synthesised.

They separate the main equation.
The main equation is to be separated.