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Mostly, waves ... by wind blowing over the surface of the sea.

A) are formed ( my answer )

B) formed ( correct according to my book )

Should I burn my book ?

1 Answers1

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They are both correct, but "are formed" is much better, for several reasons:

  • wave-forming is a continuous process; "formed" implies that the process already finished;
  • "are formed" is proper passive voice, which is correlated tot he reality; "formed" is a kind of middle-voice reflexive something.

Even the following is better than simply "formed":

Mostly, waves were formed by wind blowing over the surface of the sea.

Bottom line: your choice was the better choice.


Should I burn my book?

Definitely not. That is a useless process, and it only creates pollution. You can save the book and use the pages one by one, on an as-needed basis, to start camp fires - please attend those fires responsibly, you do not want to burn the entire planet.

virolino
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