Sentence examples for have occured from inspiring English sources

"have occurred" is correct and commonly used in written English.
It is the present perfect tense of the verb "occur," which means to happen or take place. You can use "have occurred" when discussing events that happened in the past but are still relevant or have a connection to the present. For example: - Many changes have occurred in the company since the new CEO took over. - Natural disasters have occurred more frequently in recent years due to climate change. - The team's poor performance can be attributed to several injuries that have occurred throughout the season. - Have any problems occurred during the installation process? - She's been feeling ill all day, so I think something must have occurred to make her sick.