As a noun:
* The art critic gave a scathing critique of the new exhibit.
* The professor asked us to write a critique of the novel.
* She offered a constructive critique of my presentation, pointing out areas for improvement.
As a verb:
* The panel will critique the finalists' designs.
* The journalist critiqued the government's handling of the crisis.
* He critiqued the film's plot, finding it predictable and cliche.