我们现在通过举例和对比来理解：I like peach.我喜欢吃桃子。

We like peach我们喜欢吃桃子。He likes peach.他喜欢吃桃子。I am a student.我是一名学生。She is from England.她来自英格兰。They were late for school.他们上学迟到了。James didn't go to work yesterday.詹姆斯昨天没去工作。Lily has never been to Thailand.莉莉从没去过泰国。可以看出，无论单数复数，动词的形式取决于时态语态等。