In the land of Grammar Rules, the subject-verb agreement rule is a doozy.
Consider this sentence: "The cats slept."
Ah, but what about this sentence: "The catses slept." What's the deal with plural nouns?
It turns out, the answer is that when the subject is a plural noun, the verb must also be in agreement. Read our plural noun rules!
So, the correct sentence should read: "The cats sleep." See more plural noun examples!
Now you know the secret to plural noun subject-verb agreement. Take our grammar quiz!