"Changes" is plural, so "please let me know if there are any changes required" is the correct sentence.
Please let me know if there are any changes required
This is correct
Use this phrase if you have sent someone a draft and you would like them to let you know if you need to edit it.
Some examples from the web:
- If there are any changes, let me know immediately.
- let me know if there are any changes.
- I'll call you if there are any changes.
- Please call me if there are any changes.
- The hospital can reach you if there are any changes.
- Right. I'll call you if there are any changes.
- And write it down if there are any change in your body.
- If there are any changes, I'll call you.
Please let me know if there is any changes required
This is not correct. Don't use this phrase.
"Changes" is plural, but "is" is singular. To make the noun and verb agree, write "changes are."
Correct Usage of "there is" in a sentence:
- Let me know if there's any problem about it.
- Let me know if there is anything of interest here.
- Let me know if there's anything I can do.
- Please let me know if there's anything else I can do.
- I hope everything is O.K. Let me know if there's anything we can do.
- Please let me know if there is a possible opening
- 7. "Let me know if there's anything you need".
Some examples from the web:
- Please let me know if there's any other way I can be of assistance.
- Well, I aim to pamper our VIPs, so please let me know if there's anything I can do for you.
- And please let me know if there's anything else you require.
- Please let me know if he gets any worse.
- Please let me know if anything is uncomfortable.
- Well, please let me know if you do find it.
- Please let me know if I can be of any further assistance, Mr. Mars.
- Please let me know if any Peacekeeper scans are imminent.