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BulbulTada Posted 5 years ago
Grammar

How did they make sure the rover landed/lands?

This is about the recent US Mars landing.

How did they make sure the rover landed/lands only on a flat terrain?

Is it lands or landed which is correct?

  

Top answer

BulbulTada Is it lands or landed which is correct? Neither. They made sure it would land there.

  • BulbulTada Is it lands or landed which is correct?
  • Neither.
  • They made sure it would land there.
  • By the way, "terrain" is non-count there and takes no article.
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2 Answers
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BulbulTadaIs it lands or landed which is correct?

Neither. They made sure it would land there. By the way, "terrain" is non-count there and takes no article.

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1) How will they make sure the rover lands only on a flat terrain?
2) How did they make sure the rover landed only on a flat terrain?
3) How did they make sure the rover lands only on a flat terrain?

(1) and (2) are the most obvious tense combinations (other possibilities exist). (3) seems an unlikely thing to want to

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