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I still struggle to understand exactly when to use hyphens when adverbs are involved. Which of the following is correct? ABC is an acronym representing the actual name of the survey.

"I use results from the currently running ABC survey."

"I use results from the currently-running ABC survey."

marked as duplicate by sumelic, Mitch, JonMark Perry, AmE speaker, J. Taylor Aug 13 '18 at 7:05

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    I would say, "I use results from the current ABC survey". The operative word is 'current', 'running' is redundant (a survey runs by definition). – Dan Oct 28 '15 at 15:08
  • That doesn't sound quite right to me. – NeutronStar Oct 28 '15 at 15:26
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    The results from last year's ABC survey suggested that ... . Results from the current ABC survey suggest that ... – Dan Oct 28 '15 at 16:50
  • @Dan, but the survey isn't complete yet. It is running right now. It is a galaxy survey using 300 nights on a telescope, and we're in the middle of that. – NeutronStar Oct 28 '15 at 19:27
  • I would understand that "...the current study" is not yet over. If I wanted to emphasise this fact I would say "...the current, ongoing/continuing survey", although I don't think this emphasis is needed. – Dan Oct 28 '15 at 19:44

The rule is that the adverb very and adverbs ending in -ly are never hyphenated, so "I use results from the currently running ABC survey" is correct.

  • Follow-up question, what about "more"? As in, "more realistic system"? – NeutronStar Oct 29 '15 at 14:52

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