be found to do sth
fixed phr..fixed phr.. to be discovered or proven to act in a certain way after an investigation or test.
fixed phr.. a passive construction used to report a discovered fact or a proven characteristic of a subject, often following formal observation or legal inquiry.
The new medicine was found to cause headaches in some patients.
After a long investigation, the company was found to have ignored safety rules for years.
Several ancient manuscripts were found to contain hidden text that had been erased and written over centuries ago.
frequently used in academic, legal, or scientific reporting to state objective findings.
this is a 'raising' construction where the subject of the infinitive is moved to the subject position of the passive matrix verb; it functions similarly to 'it was found that...'.
The study found to be effective.The study was found to be effective.this phrase requires the passive voice ('be found') to show that the discovery was made about the subject.