This dress belongs to my sister.为什么是belong+s

This dress belongs to my sister.为什么是belong+s this case belongs to me 为什么belong要加s 是因为this case是第三人称吗 Taiwan it belongs to china.belong为什么加s 为什么是belongs to me,而不是belong to mine呢? belong to的复数是belongs to还是belong tos this,dress ,to ,red ,belong,her it is belongs to me belong后面为什么要加s The car is belongs to me.为什么belong要加s? Do you know who the pen belongs to?belong后为什么加s? 模仿例句完成以下句子Example:this is Mary's dress.It belongs to her. my sister likes red very much,this red skirt belongs to( ) This farm( )his aunt.A.is belong to B.belongs C.belongs to D