Read the sentence.
A decision was reached by scientists about when the experiment would begin.
Which revision changes the sentence so that it uses the active voice?
Before the experiment by scientists, a decision was reached.
Scientists reached a decision about when to begin the experiment.
A decision was reached with scientists about beginning the experiment.
The beginning of the experiment is a decision that was reached by scientists.

Respuesta :

The revision of the sentence that makes it use the active voice is Scientists reached a decision about when to begin the experiment.
The other sentences are still in the passive voice.

The correct answer is B.

Scientists reached a decision about when to begin the experiment.

Transitive verbs have both active and passive forms.

Active : The man killed the wolf.  The subjects acts upon the verb in this sentence.

Passive : The wolf was killed by the man. The subject is being acted upon by somebody or something.

The passive forms are made up of the verb be with the past particle.

A decision was reached by scientist is used in the passive voice. A decision is being acted upon by the scientists.

Scientists reached a decision is in an active voice. Scientists ( the subjects ) act upon the verb.