Answer:
There are more red umbrellas on this beach than I can possibly count!
When deciding whether to use is or are, consider if the noun is plural or singular. If the noun is singular, use is.
It can choose which form to use depending on the noun performing the verb. Is is used for singular nouns, while are is used for plural nouns. Topic-verb agreement occurs when you utilize the correct form of a verb that corresponds to your subject. In a short statement, it's obvious whether to use is or are.
Thus, the correct sentence is “There are more red umbrellas on this beach than I can possibly count!”
For more information about the usage of is and are refer to the link:https://brainly.com/question/5346988
