You can change the active voice to the passive voice by changing an object to a subject, as follows: let us say that your original sentence is Fred has eaten dinner. That is the active voice. Dinner is the object. In the passive voice dinner becomes the subject, so the sentence becomes, dinner has been eaten. Fred, the original subject, has disappeared. We no longer know who ate the dinner, we merely know that it has been eaten by someone. The passive voice is therefore distinguished by being less informative. It is used by people who are trying to evade responsibility for something, or to avoid being specific. Something happened but we can't say who did it.
ANDThe form of passive is be + past participle
eg - been eaten, being eaten, was cooked, is cooked,
The passive allows us to leave the 'doer' of the verb out of the sentence. This is useful if the 'doer' is not important. eg
The Mona Lisa was painted in the 16th century.
If you want to say who does the action of a passive verb add by + pronoun / noun phrase at the end of the sentence. This is called the agent.
The dinner was eaten by Fred.
This is useful if you want to emphasis the agent eg
The painting is very valuable. It was painted by Van Gogh.
Endocytosis is an example of active transport.
Osmosis is an example of Passive Transport.
Coupled transport is an example of active transport.
A passive sentence says that something happened but doesn't say who caused it to happen. For example: food was eaten. An active sentence says who did it. For example: Tom ate the food.
Diffusion is an example of passive transport, like osmosis(the diffusion of water through a membrane).
The passive voice is when the subject of a sentence receives the action. For example, "The book was read by me." The active voice is when the subject performs the action. For example, "I read the book." The active voice is often preferred for its directness and clarity.
The committee approved the budget.
To change a sentence from active to passive voice, move the object of the active sentence to the subject position in the passive sentence and add a form of the verb "to be" along with the past participle of the main verb. For example, "I ate the cake" in active voice becomes "The cake was eaten by me" in passive voice.
You change passive voice to active voice by making the actor(s) the subject of the sentence, e.g., "the question was asked by the user" (passive) versus, "the user asked the question" (active).
No. Passive voice is almost always past tense, though it's possible to say, "The lamp is being broken" and "The lamp will be broken."
In the passive voice, the object of a sentence is used as the subject, and the original subject of the sentence is used in a prepositional phrase. This structure greatly weakens the power of a sentence and removes focus from the person or thing that is taking action. For example: John led the horse out of danger. (active sentence) The horse was led out of danger by John. (passive sentence)
To change an active voice question into a passive voice question, simply reverse the order of the subject and the auxiliary verb. For example, "Did you complete the report?" (active) becomes "Was the report completed by you?" (passive).