小学英语一般疑问句中my都要改成your吗?如：She is my mother.怎样变成一般疑问句

小学英语一般疑问句中my都要改成your吗?如：She is my mother.怎样变成一般疑问句 This is my book.改成一般疑问句为什么要将my改成your, I am your teacher.改成一般疑问句是不是可以改成 Are you my teacher? I will tell them my theory.(改为一般疑问句)my 需要改成 your I like your ruler改成一般疑问句 将my sister is studying in her room.改成一般疑问句[ ] your sister [ ] in her room? I am happy with my new home.(改成一般疑问句) ______ _______happy with your new home? My conputer has a spell check.(改成一般疑问句） ----your computer ---a spall check? This is my pencil改成一般疑问句 This is my school.(改成一般疑问句) My friend likes strawberries.改成一般疑问句 He is my brother.改成一般疑问句 I do my homework改成一般疑问句 These are my keys.改成一般疑问句 My eyes are big.改成一般疑问句 My friends like zebras.改成一般疑问句 I love my parents改成一般疑问句 My is black pen改成一般疑问句?