为什么是enjoy your weekend而不是enjoying动词做主语不应该ing么

为什么是enjoy your weekend而不是enjoying动词做主语不应该ing么 Enjoy your ENJOY YOUR Enjoy Your enjoy your you will enjoy your stay here.这句话怎么理解,这里的为什么是your呢?就是不明白这里为什么有your?怎么理解呢? Enjoy yourself,enjoy your birthday! Enjoy yourself,enjoy your birthday! “Enjoy yourself,enjoy your birthday! enjoy的第三人称单数是什么为什么是enjoys 英文 ENJOY YOUR LIFE ... enjoy your meal. hope you enjoy your enjoy your fucking enjoy your meal! enjoy your meal ENJOY YOUR LIFE是什么? Enjoy your life.