General usage:
* The students were divided into groups for the project.
* The groups of tourists were guided through the museum.
* The groups of protesters marched on the street.
Specific types of groups:
* The interest groups lobbied Congress for change.
* The support groups offered comfort and advice.
* The discussion groups debated the topic at length.
Figurative language:
* He was surrounded by groups of adoring fans.
* The groups of stars glittered in the night sky.
* The groups of dancers moved in perfect unison.
With specific verbs:
* The hikers formed groups to share their food.
* The company targets specific groups with its advertising.
* The researcher analyzed the data from different groups.
Remember: "Groups" is a noun, so it can be used as the subject or object of a sentence. It can also be used with different adjectives and verbs to describe the specific type of group and its actions.