“我回来了”1 I'm back ------这句的back和下面的back都是副词,解释为“返回”.2 Back I have come / Back I am.3 Here I am,back home.4 Let's go back (home / to school / to the club)be动词后能接副词吗？能。做表语。He is here / there/ back.这里，is后面的都是副词。