From Longman Dictionary of Contemporary EnglishI would be grateful if you could/would ...I would be grateful if you could/would ...formalASK FOR something/ASK somebody TO DO something used to make a request I would be most grateful if you could send me an invoice in due course. → grateful
Examples from the Corpus
I would be grateful if you could/would ...• This will take place at the above address on and I would be grateful if you could attend at.• If you will be attending the site visit, I would be grateful if you could complete the tear-off slip below.• I would be grateful if you could tell me anything about the guitar.• I would be grateful if you could tell me where I can get hold of such posters.• I would be grateful if you would examine Exhibit A. Do you recognise it? 