They aren't my grandparents.的过去时态是什么?

They aren't my grandparents.的过去时态是什么? 由grandparents aren't they my组成的句子是什么? They aren;t my grandparents.（改为单数形式） They can't come here on Sunday.的过去时态是什么? They're my grandparents they aren't the same as my friend's clothes 的同义句 they ___ __ 英语翻译翻译你有电脑吗找错：My grandparents aren't have a telephoneHe have my hair is so long的过去时态是什么? He can't catch the ball.的过去时态是什么? aren't的同义词是什么? aren‘t 的同音词是什么? aren't的同音词是什么?