As an adjective:
* She met all the qualifying requirements for the job. (Describing the requirements)
* The qualifying round of the competition was held yesterday. (Describing the round)
* He made a qualifying statement about his political beliefs. (Describing the statement)
As a verb:
* This course will help you qualify for a promotion. (Meaning to meet the requirements)
* The team is qualifying for the playoffs with a strong win. (Meaning to succeed in reaching a particular stage)
* She's busy qualifying for the next round of the talent show. (Meaning to be successful in getting through a selection process)
As a participle:
* The qualifying candidates are being interviewed today. (Describing the candidates who met the requirements)
* This is a qualifying offer, but it's not the best I can get. (Describing an offer that meets minimum standards)
In a phrase:
* "Subject to qualifying conditions" (Describing conditions that must be met)
* "Qualifying for the finals" (Describing the process of reaching the final stage)
The specific meaning of "qualifying" will depend on the context of the sentence.