Foundation
English
Tenses
Sentences
Tenses
Question
Convert from passive to active voice:
The speed of light will not have been exceeded by any type of craft at any point in the future. [Advanced]
Any type of craft will not have exceeded the speed of light at any point in the future.
No type of craft will be exceeding the speed of light at any point in the future.
Any type of craft will be exceeding the speed of light at any point in the future.
Any type of craft will have exceeded the speed of light at any point in the future.
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Solution
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When the passive voice is changed to active voice, the object and the subject of the sentence interchange their positions, the focus is the subject performing the action. The verb of the sentence changes into its active form. However, the tense of the sentence is not changed.

Option B is correct as it correctly converts the passive to active while keeping the future perfect tense of the sentence intact.

Options A, C and D are incorrect as they are not in the future perfect tense.