This is the 1921st most frequent Russian word.
происходить
To happen, occur, or originate.
The verb "происходить" is used in its present tense to inquire about an ongoing event.
Что происходит сейчас?
What is happening now?
The verb "происходить" is used in its past tense "произошли" to describe events that took place in the past.
В прошлом произошли важные события.
Important events occurred in the past.
The verb "происходить" is used in its future tense "будет происходить" to inquire about events expected to happen in the future.