Respuesta :
'Our old toaster always burns the toast on one side' is an active voice sentence. Others are in the passive voice.
Further Explanation
Active voice is when the subject 'DO' the activity while in the passive voice the subject 'RECEIVE' an action.
The general form of active and passive voice:
Active voice: Subject + Verb + Object
Passive voice: Object + Verb + Subject
When do we use passive voice?
1. When we don't know who does the action
2. to emphasize the receiver/the action rather than the subject
Some examples how to change active voice into passive voice:
Present Simple: He writes a letter ---- A letter is written by him .
Present Continuous: He is writing a letter ----- A letter is being written by him .
Past Simple: He wrote a letter --- A letter was written by him.
Present Perfect: He has written a letter --- A letter has been written by him.
Past Continuous: He was writing a letter ---- A letter was being written by him .
Past Perfect: He had written a letter ---- A letter had been written by him .
Learn More
Example of active and passive voice brainly.com/question/1809209
Active Voice brainly.com/question/790331
Changing Active Voice into Passive voice brainly.com/question/1622297
Keywords: Active voice, passive voice, changing active voice into passive voice

Our old toaster always burns the toast on one side
Further Explanation:
A Verb will be said to be an inactive voice when the Subject will perform as a verb. For example, “The Leopard chased the antelope”. In this line the Leopard is the subject and Chased will be the active voice. Active voice is just opposite to the passive voice and when the action of the verb takes place on the subject, that verb will be said to be as the Passive voice. The example to the passive voice is, “The antelope was chased by the leopard”. In the above statement, the antelope is the subject and was chased was the passive verb.
The statement “Our old toaster always burns the toast on one side” is one among the above statements which are the active voice sentence from the given statements. It is the only statement out of the four given statements that do not follow the passive structure as it states Subject+Verb+Object. Passive voice is used when there is a lot of emphasis on the action of the receiver but in this sentence, The action of the subject is said to be emphasized.
Learn More:
1. According to the Supreme Court, which of these most likely prompted the arrest of the protesters in Edwards v. South Carolina?
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2. What happens when the quantity of a good supplied at a given price is greater than the quantity demanded?
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Answer Details:
Grade: High School
Chapter: Active Voice
Subject: English
Keywords:
Active Voice, Passive Voice, Verbs, Subject, Object, Structure, Statement, Emphasize, Statement.