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Abdul Kaium Tanvir Posted 9 years ago
Grammar

Tense

1.Many biologists have attempted to simulate the conditions on earth before life evolved in order to answer questions about the origin of biological molecules.

I found the above sentence but It seems wrong to me .I perfer to say-

Either 2.Many biologists have attempted to simulate the conditions on earth before life evolves in order to answer questions about the origin of biological molecules.

Or 3.Many biologists had attempted to simulate the conditions on earth before life evolves in order to answer questions about the origin of biological molecules.

Actually which one is right?

  

Top answer

Only (1) is right. "before life evolves" makes it sound as if life hasn't yet evolved. Many biologists ...

  • Only (1) is right.
  • "before life evolves" makes it sound as if life hasn't yet evolved.
  • Many biologists ...
  • It should be like this: 1.
  • Many biologists ...
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1 Answers
0

Only (1) is right. "before life evolves" makes it sound as if life hasn't yet evolved.

This is incorrect spacing:

1.Many biologists ...

It should be like this:

1. Many biologists ...

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