Select the correct active form of the given sentence.
AIDS will have been cured by the year 2070 by scientists.
Show answer & explanation
Correct answer: A
Explanation
The correct answer is Option 1 i.e. Scientists will have cured AIDS by the year 2070.
Following steps should be followed to change the passive form of the given sentence into its active form:
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Identify the subject: Look for the doer of the action in the sentence. In this case, the subject is "scientists."
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Identify the auxiliary verbs: In the given sentence, the auxiliary verbs are "will have been."
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Determine the main verb: The main verb in the sentence is "cured."
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Determine the object: Identify the recipient of the action in the sentence. In this case, the object is "AIDS."
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Place the subject as the doer of the action: In the active voice, the subject performs the action. Therefore, place the subject "scientists" at the beginning of the sentence.
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Choose an appropriate active verb: Select a verb that conveys the intended meaning and matches the tense and form of the passive verb. In this case, the verb "will cure" is used as it corresponds to the future tense of the passive verb "will have been cured."
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Place the object after the verb: Place the object "AIDS" after the verb "will cure" in the active voice.
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Adjust the tense and auxiliary verbs: Modify the tense and auxiliary verbs according to the active voice. In this case, the future perfect tense "will have been" is changed to the future perfect tense "wil have" in the active voice.
Thus, the active form of the given sentence is:
Scientists will have cured AIDS by the year 2070.