I always carry an umbrella in case it rains.

Case determines the syntactic function of a noun phrase, marking whether it is the subject, the object, or the indirect object.

Case arrived at the courthouse and introduced himself to the clerk.

Keep a flashlight in case of a power outage.

The epidemiologist's article compared the casenesses reported in different regions to understand diagnostic variance.

In this case, the experiment produced unexpected results.

Students often confuse genitive cases with other constructions in English grammar exercises.

Linguistics students often struggle to identify oblique cases in complex sentence structures.

The product manager outlined several use-cases for the new API during the meeting.

The product manager presented several use cases to demonstrate how the new API could solve customer problems.