The phrase 'appreciated if you could' is correct and usable in written English. You can use this phrase to politely ask someone to do something or provide something. For example, "It would be much appreciated if you could pick up some milk on your way home from work."
It would be much appreciated if you could get a few more out of date youth phrases in there".
The publicist is putting on the bottom of all the invitations it would be appreciated if you could refrain from wearing perfume to this event.
It would be greatly appreciated if you could please take 3 to 5 minutes to fill out the survey to help us direct the future of the field crops IPM program.
Although our maintenance guy, Marco, throws in an extra handful every Monday, it would be greatly appreciated if you could contribute some of your own throughout the week as needed.
"It would be much appreciated if you could push them a bit further," the executive said in an email.
I would highly appreciate if you could kindly suggest something after looking my results.
Much appreciate if you could bring a dessert keep in mind that I'm lactose-intolerant.
I would highly appreciate, if you could spare some of your valuable time and help me in solving it.
We would really appreciate if you could bring along an appetizer, salad, side, or drinks so that we don't run out of food!
"As immigrants who came here more than 50 years ago, we would appreciate if you could use this money to help struggling immigrants," wrote Mrs. Bloomfield, who sent $100.
If you are a researcher, we would appreciate if you could help us understand your current practices related to software and code by spending 10-15 minutos to complete our survey.
Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.
Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com