Those are his parents怎么改为否定句

This is his parent.改为复数 She is my cousin .改为同义句 Are those your sisters?作否定回答 These are his parent.变否定句 修改病句These are my grandparents and those are my parent. 修改病句咧 1.This are my brother.2.That isn't me book.3.These is his brothers.4.Those is my mother.5.My father and my mother are my parent. these,those,brothers,sisters,and,his,are,his,are Are those his friends?改为单数形式 Are those his toys?(否定回答) Those are his parents改同义句 Those are his parents.（单数） those are his sistexs 改为单数句 friends.his.are.those连成一句话 those are his brothers 改为单数形式 什么 his 什么 Those are his trousers.(对his trousers提问） those are his T-shirt.划线部分提问!Those are his T-shirts.（his）Those T-shirts are his.(his)Those are his T-shirts.(his T-shirts)She plays computer often.(she)要用who和whose His parent are both English teachers in the school 同义句 They are his ——〔parent〕.Jim is their son用适当形式填空 these are his ------------------(parent)用所给单词的适当形式填空 are those开头的疑问句回答怎么写Are those his friends？回答怎么写