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There are many ongoing researches with regards to non-newtonian lubricant.

regard or regards ?

Comments  
'With regard to', Guest.

'With regards to' is what you say when you want to pass on good wishes:

1. 'With kind regards to you and your family.'

MrP
please explain it in specific manner with clear examples

thank you very much
Students: We have free audio pronunciation exercises.
A. "with regard to", "in regard to" and "having regard to" are phrases which mean "as concerns"

e.g.
"There are many ongoing researches WITH REGARD TO non-newtonian lubricant."= "There are many ongoing researches AS CONCERNS non-newtonian lubricant.

B. "As regards" means "concerning" e.g.

"AS REGARDS non-newtonian lubricants, many researches are ongoing." = "Concerning non-newtonian lubricants, many researches are ongoing."
MrPedantic'With regard to', Guest.

'With regards to' is what you say when you want to pass on good wishes:

1. 'With kind regards to you and your family.'

it s quite clear!

MrP
In this context, "regards" is wrong. It must be "with regard to ..."
Teachers: We supply a list of EFL job vacancies
With "regard" to the claim on page one.

Send my fondest "regards" to your parents.
1 - With regard to:
Example: I am writing with regard to the power outage in the suburb.

2- With regards to:
Example: My kindest regards to you and your family.