I can only find the expression "in decline" in dictionaries. Can "decline" be used in the way of "on the decline", as it is with "increase" or "decrease" ("on the increase/decrease")?
***NOT A TEACHER***Great question! Yes, both "in decline" and "on the decline" are used quite regularly by native speakers. (1) I wish I could tell you the difference -- but I can't. (2) They seem to be interchangeable quite often. (3) I get the "feeling" that "in decline" is often (but not always!!!) rather negative: Good manners seem to be in decline throughout the world (No further comment about that subject!!!). (4) My feeling (which could be 100% wrong) is that "on the decline" is usually (not always!!!) rather positive: Illiteracy in country X is definitely on the decline. In other words, maybe (maybe!!!) "in decline" refers to something that is hard to measure and may be controversial: Some people say nation X is in decline; "on the decline" seems to be something that can be measured better: H1N1 seems to be on the decline in the United States.I can only find the expression "in decline" in dictionaries. Can "decline" be used in the way of "on the decline", as it is with "increase" or "decrease" ("on the increase/decrease")?
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