"give an example" could be chovnatlh 'agh or chovnatlh 'ang. For "for example," use the phrase chovnatlh 'oH (or chovnatlh ghaH) after the example. If the example is long, you can precede it with chovnatlh vI'agh or a similar construction.

chovnatlh 'oH mu'tlheghvam'e'
This sentence is an example.