MarketWatch on MSN: We asked our wedding guests to give money to St. Jude’s Children’s Hospital. Can we write off their donations?

Context Explanation

We asked our wedding guests to give money to St. Jude’s Children’s Hospital. Can we write off their donations? 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.

Insight Material

So you might say: I have one or two concerns with this proposal. 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... singular vs plural - "there are concerns that" VS "there is concern ...

Final Conclusion

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 and odor by many fish oil brands. I googled "concerns raised about", and it's been used and seems correct. So is the original sentence correct? Please don't hesitate to contact me if you have any questions or concerns.

Another way you might express it is: Please let me know if you have any questions. To make it more polite you would request that the reader contact you by using "please"; Omitting the "please" sometimes makes it seem like a demand instead of a request.