what is the difference between the following sentences, and which one is preferable in what occasions:
Its characteristics changes with time
Its characteristics changes during time
Its characteristics changes over time

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  • You need a verb in the singular. – Lambie Feb 2 at 12:57
  • @Lambie True, but characteristics could be singular, too, sometimes. – Kris Feb 7 at 10:50

"With time" is best used to imply a relationship: the position of a vehicle moving or accelerating at a constant speed changes with time. It also changes over time, but "with" invites a follow-up question about the process, whereas "over" invites a follow-up about the result.

"Over time" also has an historic flavor. A lawyer seeks to attract clients over time, rather than with time. Again, there is no mathematical relationship, even metaphorically, between the ticking clock and the events described.

"During time" is not used English. "During [a specific time]" is used: "Its characteristics changed during the time that he was gone." (But "while" would suffice.)

  • I'm new here, but I will admit that I am put off by unexplained downvotes, especially for an answer that the owner has accepted. Can someone explain why they dinged my answer here? – remarkl Feb 7 at 14:14
  • Its characteristics change with time -- concurrently
  • Its characteristics change during time -- (is not used -- "during time" does not make sense but "during something else" can be used).
  • Its characteristics change over time -- sometime, anytime, once or many times or continuously

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