verb

In the sentence "The cat sleeps on the sofa", the word "sleeps" is a verb.

(Chinese) 在“猫睡在沙发上”这个句子中，“睡”这个词是一个动词。

Every English sentence must contain at least one verb to be grammatically correct.

(Chinese) 每个英语句子必须包含至少一个动词，语法才正确。