Asking for something
For introduces the thing requested.
Request commonly combines with for and from. Other prepositions depend on the sentence structure.
Use request for for the thing wanted and request from for the person or organisation making the request. On request and upon request mean when asked.
These forms are not interchangeable. Choose the construction by meaning, not by which preposition appears most often.
For introduces the thing requested.
From identifies the source of the request.
On request means if someone asks for it.
Upon request is more formal.
The same subject can take different constructions because each sentence answers a different question.
Some combinations appear in real text but do not mean what learners often assume.
With is not a common core pattern after request.
✓ a request for helpFor is the thing wanted; from is the source.
✕ a request from more time ✓ a request for more timeChoose the expression that matches the intended meaning.
Paste the complete sentence below. Linguix checks the preposition together with grammar, spelling, punctuation, and style.
They mean the same thing, but upon request is more formal.
Yes. Request to often identifies the recipient, as in a request to the bank.
Only in wider sentence structures. It is not the main fixed pattern.
Create a free account to check complete texts, apply suggestions, and save your documents.