To express a concern or express concerns is using the word in its countable noun sense, which refers to one or more specific concerns - a concern being particular element or thing to be concerned about. …
However, there are concerns that they[certain drugs] could pose a serious health risk to humans. However, there is concern that they[certain drugs] could pose a serious health risk to humans. H...
Commercial builders downplayed ______ a bust in the superheated housing market. 1) The concern of 2) Concerns about The answer is number 2, but why does number 1 not work?
Since I know for a fact that the concerns are not "raised by many fish oil brands", shouldn't 'raised' come right after 'concerns'?: They are free of the concerns raised about impurities …
- The story concerns the prince's efforts to rescue Pamina. - The book is primarily concerned with Soviet-American relations during the Cold War. - This chapter concerns itself with the historical …
For @Billy Kerr :‘Bob or Sarah have any concerns’ is not an exception; it is non-standard/informal usage in conversation. In teaching/learning settings or in writing it is not acceptable.
singular vs plural - "there are concerns that" VS "there is concern ...